10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

_______________________________________ 

FORM 10-Q

_______________________________________ 

(Mark One)

ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended June 28, 2015

or

¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from ____________ to ____________

Commission File Number 001-5075

_______________________________________ 

PerkinElmer, Inc.

(Exact name of Registrant as specified in its Charter)

_______________________________________ 

Massachusetts	04-2052042
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

940 Winter Street

Waltham, Massachusetts 02451

(Address of principal executive offices) (Zip code)

(781) 663-6900

(Registrant’s telephone number, including area code)

_______________________________________ 

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    Yes  ý    No  ¨

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    Yes  ý    No  ¨

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer	ý	Accelerated filer	¨
Non-accelerated filer	¨ (Do not check if a smaller reporting company)	Smaller reporting company	¨

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    Yes  ¨    No  ý

As of July 30, 2015, there were outstanding 113,383,409 shares of common stock, $1 par value per share.

TABLE OF CONTENTS

		Page
PART I. FINANCIAL INFORMATION
Item 1.	Unaudited Financial Statements	3
	Condensed Consolidated Statements of Operations	3
	Condensed Consolidated Statements of Comprehensive Income	4
	Condensed Consolidated Balance Sheets	5
	Condensed Consolidated Statements of Cash Flows	6
	Notes to Condensed Consolidated Financial Statements	7
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	25
	Overview	25
	Critical Accounting Policies and Estimates	26
	Consolidated Results of Continuing Operations	26
	Reporting Segment Results of Continuing Operations	31
	Liquidity and Capital Resources	33
	Dividends	37
	Effects of Recently Adopted and Issued Accounting Pronouncements	37
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	38
Item 4.	Controls and Procedures	39
PART II. OTHER INFORMATION
Item 1.	Legal Proceedings	40
Item 1A.	Risk Factors	40
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	47
Item 6.	Exhibits	47
Signatures		49
Exhibit Index		50

2

PART I. FINANCIAL INFORMATION

Item 1. Unaudited Financial Statements

PERKINELMER, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

(Unaudited)

	Three Months Ended						Six Months Ended
	June 28, 2015			June 29, 2014			June 28, 2015			June 29, 2014
	(In thousands, except per share data)
Product revenue	$	388,718		$	381,609		$	748,031		$	747,093
Service revenue	175,188			174,561			342,776			339,687
Total revenue	563,906			556,170			1,090,807			1,086,780
Cost of product revenue	201,675			201,649			386,284			390,933
Cost of service revenue	109,719			106,537			216,637			212,150
Total cost of revenue	311,394			308,186			602,921			603,083
Selling, general and administrative expenses	146,742			147,253			292,615			299,690
Research and development expenses	32,683			30,352			64,803			59,731
Restructuring and contract termination charges, net	4,956			742			4,956			2,877
Operating income from continuing operations	68,131			69,637			125,512			121,399
Interest and other expense, net	10,843			8,964			20,264			20,253
Income from continuing operations before income taxes	57,288			60,673			105,248			101,146
Provision for income taxes	8,292			8,670			15,941			14,192
Income from continuing operations	48,996			52,003			89,307			86,954
Gain (loss) from discontinued operations before income taxes	35			(2,084		)	(2		)	(3,114		)
Loss on disposition of discontinued operations before income taxes	(10		)	(302		)	(23		)	(374		)
Provision for (benefit from) income taxes on discontinued operations and dispositions	47			(873		)	(26		)	(1,248		)
(Loss) gain from discontinued operations and dispositions	(22		)	(1,513		)	1			(2,240		)
Net income	$	48,974		$	50,490		$	89,308		$	84,714
Basic earnings per share:
Income from continuing operations	$	0.43		$	0.46		$	0.79		$	0.77
(Loss) gain from discontinued operations and dispositions	(0.00		)	(0.01		)	0.00			(0.02		)
Net income	$	0.43		$	0.45		$	0.79		$	0.75
Diluted earnings per share:
Income from continuing operations	$	0.43		$	0.46		$	0.79		$	0.76
(Loss) gain from discontinued operations and dispositions	(0.00		)	(0.01		)	0.00			(0.02		)
Net income	$	0.43		$	0.44		$	0.79		$	0.74
Weighted average shares of common stock outstanding:
Basic	113,018			112,788			112,829			112,671
Diluted	113,833			113,971			113,636			113,874
Cash dividends per common share	$	0.07		$	0.07		$	0.14		$	0.14

The accompanying notes are an integral part of these condensed consolidated financial statements.

3

PERKINELMER, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(Unaudited)

	Three Months Ended					Six Months Ended
	June 28, 2015			June 29, 2014		June 28, 2015			June 29, 2014
	(In thousands)
Net income	$	48,974		$	50,490	$	89,308		$	84,714
Other comprehensive income:
Foreign currency translation adjustments	12,271			2,706		(11,426		)	3,340
Unrealized (losses) gains on securities, net of tax	(34		)	2		(63		)	(30		)
Other comprehensive income (loss)	12,237			2,708		(11,489		)	3,310
Comprehensive income	$	61,211		$	53,198	$	77,819		$	88,024

The accompanying notes are an integral part of these condensed consolidated financial statements.

4

PERKINELMER, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED BALANCE SHEETS

(Unaudited)

	June 28, 2015			December 28, 2014
	(In thousands, except share and per share data)
Current assets:
Cash and cash equivalents	$	192,170		$	174,821
Accounts receivable, net	425,698			470,563
Inventories	304,754			285,457
Other current assets	147,706			137,710
Total current assets	1,070,328			1,068,551
Property, plant and equipment:
At cost	492,497			492,814
Accumulated depreciation	(326,180		)	(316,620		)
Property, plant and equipment, net	166,317			176,194
Marketable securities and investments	1,633			1,568
Intangible assets, net	454,251			490,265
Goodwill	2,275,898			2,284,077
Other assets, net	114,329			113,420
Total assets	$	4,082,756		$	4,134,075
Current liabilities:
Current portion of long-term debt	$	1,974		$	1,075
Accounts payable	170,677			173,953
Accrued restructuring and contract termination charges	15,402			17,124
Accrued expenses and other current liabilities	384,182			403,021
Current liabilities of discontinued operations	2,109			2,137
Total current liabilities	574,344			597,310
Long-term debt	986,452			1,051,892
Long-term liabilities	401,056			442,771
Total liabilities	1,961,852			2,091,973
Commitments and contingencies (see Note 18)
Stockholders’ equity:
Preferred stock—$1 par value per share, authorized 1,000,000 shares; none issued or outstanding	—			—
Common stock—$1 par value per share, authorized 300,000,000 shares; issued and outstanding 113,355,000 shares and 112,481,000 shares at June 28, 2015 and at December 28, 2014, respectively	113,355			112,481
Capital in excess of par value	110,239			94,276
Retained earnings	1,883,999			1,810,545
Accumulated other comprehensive income	13,311			24,800
Total stockholders’ equity	2,120,904			2,042,102
Total liabilities and stockholders’ equity	$	4,082,756		$	4,134,075

The accompanying notes are an integral part of these condensed consolidated financial statements.

5

PERKINELMER, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(Unaudited)

	Six Months Ended
	June 28, 2015			June 29, 2014
	(In thousands)
Operating activities:
Net income	$	89,308		$	84,714
Less: (gain) loss from discontinued operations and dispositions, net of income taxes	(1		)	2,240
Income from continuing operations	89,307			86,954
Adjustments to reconcile income from continuing operations to net cash provided by continuing operations:
Restructuring and contract termination charges, net	4,956			2,877
Depreciation and amortization	56,593			57,907
Stock-based compensation	8,193			9,319
Amortization of deferred debt financing costs and accretion of discount	677			662
Amortization of acquired inventory revaluation	6,467			—
Changes in operating assets and liabilities which provided (used) cash, excluding effects from companies purchased and divested:
Accounts receivable, net	30,843			23,434
Inventories	(33,327		)	(15,737		)
Accounts payable	(1,541		)	(11,867		)
Accrued expenses and other	(61,007		)	(30,979		)
Net cash provided by operating activities of continuing operations	101,161			122,570
Net cash used in operating activities of discontinued operations	(27		)	(464		)
Net cash provided by operating activities	101,134			122,106
Investing activities:
Capital expenditures	(10,099		)	(14,447		)
Proceeds from surrender of life insurance policies	—			425
Changes in restricted cash balances	59			—
Activity related to acquisitions and investments, net of cash and cash equivalents acquired	(18,735		)	(350		)
Net cash used in investing activities of continuing operations	(28,775		)	(14,372		)
Net cash used in investing activities of discontinued operations	—			(213		)
Net cash used in investing activities	(28,775		)	(14,585		)
Financing activities:
Payments on revolving credit facility	(249,000		)	(232,000		)
Proceeds from revolving credit facility	184,000			193,000
Payments of debt financing costs	—			(1,845		)
Settlement of hedges	23,468			—
Net proceeds from (payments on) other credit facilities	344			(507		)
Proceeds from issuance of common stock under stock plans	12,669			19,454
Purchases of common stock	(4,095		)	(38,976		)
Dividends paid	(15,799		)	(15,809		)
Net cash used in financing activities	(48,413		)	(76,683		)
Effect of exchange rate changes on cash and cash equivalents	(6,597		)	1,178
Net increase in cash and cash equivalents	17,349			32,016
Cash and cash equivalents at beginning of period	174,821			173,242
Cash and cash equivalents at end of period	$	192,170		$	205,258

The accompanying notes are an integral part of these condensed consolidated financial statements.

6

PERKINELMER, INC. AND SUBSIDIARIES

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

Note 1: Basis of Presentation

The condensed consolidated financial statements included herein have been prepared by PerkinElmer, Inc. (the “Company”), without audit, in accordance with accounting principles generally accepted in the United States of America (the “U.S.” or the "United States") and pursuant to the rules and regulations of the Securities and Exchange Commission (the “SEC”). Certain information in the footnote disclosures of the financial statements has been condensed or omitted where it substantially duplicates information provided in the Company’s latest audited consolidated financial statements, in accordance with the rules and regulations of the SEC. These condensed consolidated financial statements should be read in conjunction with the Company’s audited consolidated financial statements and notes included in its Annual Report on Form 10-K for the fiscal year ended December 28, 2014, filed with the SEC (the “2014 Form 10-K”). The balance sheet amounts at December 28, 2014 in this report were derived from the Company’s audited 2014 consolidated financial statements included in the 2014 Form 10-K. The condensed consolidated financial statements reflect all adjustments that, in the opinion of management, are necessary to present fairly the Company’s financial position, results of operations and cash flows for the periods indicated. The preparation of financial statements in conformity with U.S. Generally Accepted Accounting Principles (“GAAP”) requires management to make estimates and assumptions that affect the reported amounts and classifications of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. The results of operations for the three and six months ended June 28, 2015 and June 29, 2014, respectively, are not necessarily indicative of the results for the entire fiscal year or any future period. The Company has evaluated subsequent events from June 28, 2015 through the date of the issuance of these condensed consolidated financial statements and has determined that other than the events the Company has disclosed within the footnotes to the financial statements, no material subsequent events have occurred that would affect the information presented in these condensed consolidated financial statements or would require additional disclosure.

The Company’s fiscal year ends on the Sunday nearest December 31. The Company reports fiscal years under a 52/53 week format. Under this method, certain years will contain 53 weeks. The fiscal year ending January 3, 2016 ("fiscal year 2015") will include 53 weeks and the extra week will be included in the third quarter. The fiscal year ended December 28, 2014 ("fiscal year 2014") included 52 weeks.

Recently Adopted and Issued Accounting Pronouncements: From time to time, new accounting pronouncements are issued by the Financial Accounting Standards Board and are adopted by the Company as of the specified effective dates. Unless otherwise discussed, such pronouncements did not have or will not have a significant impact on the Company’s condensed consolidated financial position, results of operations and cash flows or do not apply to the Company’s operations.

In May 2014, the Financial Accounting Standards Board issued Accounting Standards Update No. 2014-09, Revenue from Contracts with Customers. Under this new guidance, an entity should use a five-step process to recognize revenue, which depicts the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. The standard also requires new disclosures regarding the nature, amount, timing and uncertainty of revenue and cash flows arising from contracts with customers. The initial provisions of this guidance are effective for interim and annual periods beginning after December 15, 2016. Subsequent to the issuance of the standard, the Financial Accounting Standards Board decided to defer the effective date for one year to annual periods beginning after December 15, 2017, with early adoption permitted for annual periods beginning after December 15, 2016. The Company is evaluating the requirements of this guidance and has not yet determined the impact of its adoption on the Company’s consolidated financial position, results of operations and cash flows.

In April 2015, the Financial Accounting Standards Board issued Accounting Standards Update No. 2015-04, Practical Expedient for the Measurement Date of an Employer’s Defined Benefit Obligation and Plan Assets. Under this new guidance, an entity with a fiscal year-end that does not coincide with a calendar month-end (for example an entity that has a 52/53 week fiscal year) has the ability, as a practical expedient, to measure its defined benefit retirement obligations and related plan assets as of the month-end that is closest to its fiscal year end. During the second quarter of fiscal year 2015, the Company early adopted the new guidance. The adoption did not have a material impact on the Company's consolidated financial position, results of operations and cash flows.

7

Note 2: Business Combinations

Acquisitions in fiscal year 2015

During the first six months of fiscal year 2015, the Company completed the acquisition of three businesses for total consideration of $19.0 million in cash. The excess of the purchase prices over the fair values of each of the acquired businesses' net assets represents cost and revenue synergies specific to the Company, as well as non-capitalizable intangible assets, such as the employee workforce acquired. As a result of these acquisitions, the Company recorded goodwill of $13.7 million and intangible assets of $6.1 million. The Company has reported the operations for these acquisitions within the results of the Company's Human Health and Environmental Health segments from the acquisition dates. As of June 28, 2015, the purchase accounting allocations related to these acquisitions were preliminary.

Acquisitions in fiscal year 2014

Acquisition of Perten Instruments Group AB. In December 2014, the Company acquired all of the outstanding stock of Perten Instruments Group AB ("Perten"). Perten is a provider of analytical instruments and services for quality control of food, grain, flour and feed. The Company expects this acquisition to enhance its industrial, environmental and safety business by expanding the Company's product offerings to the academic and industrial end markets. The Company paid the shareholders of Perten $269.9 million in cash for the stock of Perten. The excess of the purchase price over the fair value of the acquired net assets represents cost and revenue synergies specific to the Company, as well as non-capitalizable intangible assets, such as the employee workforce acquired, and has been allocated to goodwill, none of which is tax deductible. The Company has reported the operations for this acquisition within the results of the Company’s Environmental Health segment from the acquisition date. Identifiable definite-lived intangible assets, such as core technology, customer relationships and trade names, acquired as part of this acquisition had weighted average amortization periods of approximately 5 to 10 years.

Other acquisitions in fiscal year 2014. In addition to the Perten acquisition, the Company completed the acquisition of two businesses in fiscal year 2014 for total consideration of $18.0 million in cash and $4.3 million of assumed debt. The excess of the purchase price over the fair value of each of the acquired businesses' net assets represents cost and revenue synergies specific to the Company, as well as non-capitalizable intangible assets, such as the employee workforce acquired, and has been allocated to goodwill, none of which is tax deductible. The Company reported the operations for these acquisitions within the results of the Human Health and Environmental Health segments from the acquisition dates. As of June 28, 2015, the purchase accounting allocations related to acquisitions completed during fiscal year 2014 were preliminary.

8

The total purchase price for the acquisitions in fiscal year 2014 has been allocated to the estimated fair values of assets acquired and liabilities assumed as follows:

	Perten			2014 Other
	(Preliminary)
	(In thousands)
Fair value of business combination:
Cash payments	$	269,937		$	17,898
Working capital and other adjustments	—			151
Less: cash acquired	(16,732		)	(124		)
Total	$	253,205		$	17,925
Identifiable assets acquired and liabilities assumed:
Current assets	$	32,805		$	1,965
Property, plant and equipment	1,485			125
Other assets	—			364
Identifiable intangible assets:
Core technology	16,000			1,705
Trade names	7,000			—
Customer relationships	87,000			6,800
IPR&D	—			1,266
Goodwill	164,164			15,981
Deferred taxes	(31,454		)	(3,072		)
Deferred revenue	—			(589		)
Liabilities assumed	(16,195		)	(2,333		)
Debt assumed	(7,600		)	(4,287		)
Total	$	253,205		$	17,925

The preliminary allocations of the purchase prices for acquisitions completed in fiscal years 2015 and 2014 were based upon initial valuations. The Company's estimates and assumptions underlying the initial valuations are subject to the collection of information necessary to complete its valuations within the measurement periods, which are up to one year from the respective acquisition dates. The primary areas of the preliminary purchase price allocations that are not yet finalized relate to the fair value of certain tangible and intangible assets acquired and liabilities assumed, assets and liabilities related to income taxes and related valuation allowances, and residual goodwill. The Company expects to continue to obtain information to assist in determining the fair values of the net assets acquired at the acquisition dates during the measurement periods. During the measurement periods, the Company will adjust assets or liabilities if new information is obtained about facts and circumstances that existed as of the acquisition dates that, if known, would have resulted in the recognition of those assets and liabilities as of those dates. Adjustments to the preliminary allocation of the purchase prices during the measurement period require the revision of comparative prior period financial information when reissued in subsequent financial statements. The effect of adjustments to the allocation of the purchase prices made during the measurement periods would be as if the adjustments had been completed on the acquisition dates. The effects of any such adjustments, if material, may cause changes in depreciation, amortization, or other income or expense recognized in prior periods. All changes that do not qualify as adjustments made during the measurement periods are included in current period earnings.

Allocations of the purchase price for acquisitions are based on estimates of the fair value of the net assets acquired and are subject to adjustment upon finalization of the purchase price allocations. The accounting for business combinations requires estimates and judgments as to expectations for future cash flows of the acquired business, and the allocation of those cash flows to identifiable intangible assets, in determining the estimated fair values for assets acquired and liabilities assumed. The fair values assigned to tangible and intangible assets acquired and liabilities assumed, including contingent consideration, are based on management’s estimates and assumptions, as well as other information compiled by management, including valuations that utilize customary valuation procedures and techniques. Contingent consideration is measured at fair value at the acquisition date, based on the probability that revenue thresholds or product development milestones will be achieved during the earnout period, with changes in the fair value after the acquisition date affecting earnings to the extent it is to be settled in cash. Increases or decreases in the fair value of contingent consideration liabilities primarily result from changes in the estimated probabilities of achieving revenue thresholds or product development milestones during the earnout period.

9

The Company may have to pay contingent consideration, related to acquisitions with open contingency periods, of up to $32.5 million as of June 28, 2015. As of June 28, 2015, the Company had recorded contingent consideration obligations, which were assumed as part of the Perten acquisition, with an estimated fair value of $0.5 million. The earnout period for acquisitions with open contingency periods does not exceed three years from the respective acquisition date. If the actual results differ from the estimates and judgments used in these fair values, the amounts recorded in the condensed consolidated financial statements could result in a possible impairment of the intangible assets and goodwill, require acceleration of the amortization expense of definite-lived intangible assets or the recognition of additional consideration which would be expensed.

Total transaction costs related to acquisition activities for the three and six months ended June 28, 2015 were $0.2 million and $0.4 million, respectively. Total transaction costs related to acquisition activities for the three and six months ended June 29, 2014 were $0.1 million and $0.2 million, respectively. These transaction costs were expensed as incurred and recorded in selling, general and administrative expenses in the Company's condensed consolidated statements of operations.

Note 3: Discontinued Operations

As part of the Company’s continuing efforts to focus on higher growth opportunities, the Company has discontinued certain businesses. The Company has accounted for these businesses as discontinued operations and, accordingly, has presented the results of operations and related cash flows as discontinued operations for all periods presented. Any remaining assets and liabilities of these businesses have been presented separately, and are reflected within assets and liabilities from discontinued operations in the accompanying condensed consolidated balance sheets as of June 28, 2015 and December 28, 2014.

In May 2014, the Company’s management approved the shutdown of its microarray-based diagnostic testing laboratory in the United States, which had been reported within the Human Health segment. The Company determined that, with the lack of adequate reimbursement from health care payers, the microarray-based diagnostic testing laboratory in the United States would need significant investment in its operations to reduce costs in order to effectively compete in the market. The shutdown of the microarray-based diagnostic testing laboratory in the United States resulted in a $0.3 million net pre-tax loss related to the disposal of fixed assets and inventory for the three months ended June 29, 2014.

During the first six months of each of fiscal years 2015 and 2014, the Company settled various commitments related to the divestiture of other discontinued operations. The Company recognized net pre-tax losses of $0.01 million and $0.02 million for the three and six months ended June 28, 2015, respectively. The Company also recognized net pre-tax losses of $0.05 million and $0.1 million related to other discontinued operations for the three and six months ended June 29, 2014, respectively. These losses were recognized as a loss on disposition of discontinued operations.

Summary pre-tax operating results of the discontinued operations, which include the periods prior to disposition and a $1.0 million pre-tax restructuring charge related to workforce reductions in the microarray-based diagnostic testing laboratory in the United States during the second quarter of fiscal year 2014, were as follows:

	Three Months Ended					Six Months Ended
	June 28, 2015		June 29, 2014			June 28, 2015			June 29, 2014
	(In thousands)
Sales	$	63	$	426		$	83		$	1,720
Costs and expenses	28		2,510			85			4,834
Gain (loss) from discontinued operations before income taxes	$	35	$	(2,084	)	$	(2	)	$	(3,114	)

The Company recorded a tax provision of $0.05 million and a tax benefit of $0.03 million on discontinued operations and dispositions for the three and six months ended June 28, 2015, respectively. The Company recorded tax benefits of $0.9 million and $1.2 million on discontinued operations and dispositions for the three and six months ended June 29, 2014, respectively.

Note 4: Restructuring and Contract Termination Charges, Net

The Company's management has approved a series of restructuring actions related to the impact of acquisitions and divestitures, the alignment of the Company's operations with its growth strategy, the integration of its business units and productivity initiatives. The current portion of restructuring and contract termination charges is recorded in accrued restructuring and contract termination charges and the long-term portion of restructuring and contract termination charges is recorded in long-term liabilities. The activities associated with these plans have been reported as restructuring and contract termination charges, net, and are included as a component of operating expenses from continuing operations.

10

The Company implemented restructuring plans in the second quarter of fiscal year 2015 and the third quarter of fiscal year 2014 consisting of workforce reductions principally intended to realign resources to emphasize growth initiatives (the "Q2 2015 Plan" and the "Q3 2014 Plan", respectively). The Company implemented restructuring plans in the second and first quarters of fiscal year 2014 consisting of workforce reductions principally intended to focus resources on higher growth end markets (the "Q2 2014 Plan" and the "Q1 2014 Plan", respectively). Details of the plans initiated in previous years (“Previous Plans”) are discussed more fully in Note 4 to the audited consolidated financial statements in the 2014 Form 10-K. The Company also has terminated various contractual commitments in connection with certain disposal activities and has recorded charges, to the extent applicable, for the costs of terminating these contracts before the end of their terms and the costs that will continue to be incurred for the remaining terms without economic benefit to the Company.

The following table summarizes the number of employees reduced, the initial restructuring or contract termination charges by operating segment, and the dates by which payments were substantially completed, or the expected dates by which payments will be substantially completed, for restructuring actions implemented during the six months ended June 28, 2015 and fiscal year 2014:

		Initial Restructuring or Contract Termination Charges				Total		Date or Expected Date Payments Substantially Completed by
	Headcount Reduction	Human Health		Environmental Health
	(In thousands, except headcount data)
Q2 2015 Plan	102	$	1,850	$	4,160	$	6,010	Q2 FY2016
2015 Contract Termination Charges	—	—		25		25		Q4 FY2015
Q3 2014 Plan	152	7,126		5,925		13,051		Q3 FY2015
Q2 2014 Plan	22	545		190		735		Q2 FY2015
Q1 2014 Plan	17	370		197		567		Q4 FY2014
2014 Contract Termination Charges	—	—		1,545		1,545		Q4 FY2015

The Company expects to make payments under the Previous Plans for remaining residual lease obligations, with terms varying in length, through fiscal year 2022.

At June 28, 2015, the Company had $20.8 million recorded for accrued restructuring and contract termination charges, of which $15.4 million was recorded in short-term accrued restructuring and contract termination charges and $5.4 million was recorded in long-term liabilities. At December 28, 2014, the Company had $23.8 million recorded for accrued restructuring and contract termination charges, of which $17.1 million was recorded in short-accrued restructuring and $6.7 million was recorded in long-term liabilities. The following table summarizes the Company's restructuring and contract termination accrual balances and related activity by restructuring plan, as well as contract termination, during the six months ended June 28, 2015:

	Balance at December 28, 2014		2015 Charges		2015 Changes in Estimates, Net			2015 Amounts Paid			Balance at June 28, 2015
	(In thousands)
Severance:
Q2 2015 Plan	$	—	$	6,010	$	—		$	(600	)	$	5,410
Q3 2014 Plan	10,059		—		—			(5,050		)	5,009
Q2 2014 Plan(1)	251		—		(179		)	(8		)	64
Q1 2014 Plan(2)	92		—		(92		)	—			—
Previous Plans(3)	13,124		—		(808		)	(2,199		)	10,117
Restructuring	23,526		6,010		(1,079		)	(7,857		)	20,600
Contract Termination	304		25		—			(141		)	188
Total Restructuring and Contract Termination	$	23,830	$	6,035	$	(1,079	)	$	(7,998	)	$	20,788

⁽¹⁾  During the six months ended June 28, 2015, the Company recognized pre-tax restructuring reversals of $0.1 million in each of the Human Health and Environmental Health segments related to lower than expected costs associated with workforce reductions for the Q2 2014 Plan.

⁽²⁾  During the six months ended June 28, 2015, the Company recognized a pre-tax restructuring reversal of $0.1 million in the Human Health segment related to lower than expected costs associated with workforce reductions for the Q1 2014 Plan.

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⁽³⁾  During the six months ended June 28, 2015, the Company recognized a net additional pre-tax restructuring charge of $0.2 million in the Human Health segment primarily related to higher than expected costs associated with the closure of the excess facility space and a pre-tax restructuring reversal of $1.0 million in the Environmental Health segment related to lower than expected costs associated with workforce reductions for the Previous Plans.

Note 5: Interest and Other Expense, Net

Interest and other expense, net, consisted of the following:

	Three Months Ended						Six Months Ended
	June 28, 2015			June 29, 2014			June 28, 2015			June 29, 2014
	(In thousands)
Interest income	$	(132	)	$	(151	)	$	(341	)	$	(245	)
Interest expense	9,302			9,079			18,690			18,298
Other expense, net	1,673			36			1,915			2,200
Total interest and other expense, net	$	10,843		$	8,964		$	20,264		$	20,253

Note 6: Inventories

Inventories as of June 28, 2015 and December 28, 2014 consisted of the following:

	June 28, 2015		December 28, 2014
	(In thousands)
Raw materials	$	101,973	$	96,169
Work in progress	21,895		18,783
Finished goods	180,886		170,505
Total inventories	$	304,754	$	285,457

Note 7: Income Taxes

The Company regularly reviews its tax positions in each significant taxing jurisdiction in the process of evaluating its unrecognized tax benefits. The Company makes adjustments to its unrecognized tax benefits when: (i) facts and circumstances regarding a tax position change, causing a change in management’s judgment regarding that tax position; (ii) a tax position is effectively settled with a tax authority at a differing amount; and/or (iii) the statute of limitations expires regarding a tax position.

At June 28, 2015, the Company had gross tax effected unrecognized tax benefits of $30.1 million, of which $26.3 million, if recognized, would affect the continuing operations effective tax rate. The remaining amount, if recognized, would affect discontinued operations.

The Company believes that it is reasonably possible that approximately $5.4 million of its uncertain tax positions at June 28, 2015, including accrued interest and penalties, and net of tax benefits, may be resolved over the next twelve months as a result of lapses in applicable statutes of limitations and potential settlements. Various tax years after 2007 remain open to examination by certain jurisdictions in which the Company has significant business operations, such as China, Finland, Germany, Italy, Netherlands, Singapore, the United Kingdom and the United States. The tax years under examination vary by jurisdiction.

During the first six months of fiscal years 2015 and 2014, the Company recorded net discrete income tax benefits of $2.8 million and $4.0 million, respectively, primarily for reversals of uncertain tax position reserves and resolution of other tax matters.

Note 8: Debt

Senior Unsecured Revolving Credit Facility. On January 8, 2014, the Company refinanced its debt held under a previous senior unsecured revolving credit facility and entered into a new senior unsecured revolving credit facility. The Company's senior unsecured revolving credit facility provides for $700.0 million of revolving loans and has an initial maturity of January 8, 2019. As of June 28, 2015, undrawn letters of credit in the aggregate amount of $12.2 million were treated as issued

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and outstanding under the senior unsecured revolving credit facility. As of June 28, 2015, the Company had $236.8 million available for additional borrowing under the facility. The Company uses the senior unsecured revolving credit facility for general corporate purposes, which may include working capital, refinancing existing indebtedness, capital expenditures, share repurchases, acquisitions and strategic alliances. The interest rates under the senior unsecured revolving credit facility are based on the Eurocurrency rate or the base rate at the time of borrowing, plus a margin. The base rate is the higher of (i) the rate of interest in effect for such day as publicly announced from time to time by JP Morgan Chase Bank, N.A. as its "prime rate," (ii) the Federal Funds rate plus 50 basis points or (iii) one-month Libor plus 1.00%. At June 28, 2015, borrowings under the senior unsecured revolving credit facility were accruing interest primarily based on the Eurocurrency rate. The Eurocurrency margin as of June 28, 2015 was 108 basis points. The weighted average Eurocurrency interest rate as of June 28, 2015 was 0.18%, resulting in a weighted average effective Eurocurrency rate, including the margin, of 1.26%. At June 28, 2015 and December 28, 2014, the Company had $451.0 million and $516.0 million, respectively, of borrowings in U.S. dollars outstanding under the senior unsecured revolving credit facility. The credit agreement for the facility contains affirmative, negative and financial covenants and events of default similar to those contained in the credit agreement for the Company's previous facility. The financial covenants in the Company's senior unsecured revolving credit facility include a debt-to-capital ratio, and two contingent covenants, a maximum consolidated leverage ratio and a minimum consolidated interest coverage ratio, applicable if the Company's credit rating is downgraded below investment grade.

5% Senior Unsecured Notes due in 2021. On October 25, 2011, the Company issued $500.0 million aggregate principal amount of senior unsecured notes due in 2021 (the “2021 Notes”) in a registered public offering and received $496.9 million of net proceeds from the issuance. The 2021 Notes were issued at 99.372% of the principal amount, which resulted in a discount of $3.1 million. As of June 28, 2015, the 2021 Notes had an aggregate carrying value of $497.8 million, net of $2.2 million of unamortized original issue discount. As of December 28, 2014, the 2021 Notes had an aggregate carrying value of $497.7 million, net of $2.3 million of unamortized original issue discount. The 2021 Notes mature in November 2021 and bear interest at an annual rate of 5%. Interest on the 2021 Notes is payable semi-annually on May 15th and November 15th each year. Prior to August 15, 2021 (three months prior to their maturity date), the Company may redeem the 2021 Notes in whole or in part, at its option, at a redemption price equal to the greater of (i) 100% of the principal amount of the 2021 Notes to be redeemed, plus accrued and unpaid interest, or (ii) the sum of the present values of the remaining scheduled payments of principal and interest in respect to the 2021 Notes being redeemed, discounted on a semi-annual basis, at the Treasury Rate plus 45 basis points, plus accrued and unpaid interest. At any time on or after August 15, 2021 (three months prior to their maturity date), the Company may redeem the 2021 Notes, at its option, at a redemption price equal to 100% of the principal amount of the 2021 Notes to be redeemed plus accrued and unpaid interest. Upon a change of control (as defined in the indenture governing the 2021 Notes) and a contemporaneous downgrade of the 2021 Notes below investment grade, each holder of 2021 Notes will have the right to require the Company to repurchase such holder's 2021 Notes for 101% of their principal amount, plus accrued and unpaid interest.

Financing Lease Obligations. In fiscal year 2012, the Company entered into agreements with the lessors of certain buildings that the Company is currently occupying and leasing to expand those buildings. The Company provided a portion of the funds needed for the construction of the additions to the buildings, and as a result the Company was considered the owner of the buildings during the construction period. At the end of the construction period, the Company was not reimbursed by the lessors for all of the construction costs. The Company is therefore deemed to have continuing involvement and the leases qualify as financing leases under sale-leaseback accounting guidance, representing debt obligations for the Company and non-cash investing and financing activities. As a result, the Company capitalized $29.3 million in property and equipment, net, representing the fair value of the buildings with a corresponding increase to debt. The Company has also capitalized $11.5 million in additional construction costs necessary to complete the renovations to the buildings, which were funded by the lessors, with a corresponding increase to debt. At June 28, 2015, the Company had $38.7 million recorded for these financing lease obligations, of which $1.1 million was recorded as short-term debt and $37.6 million was recorded as long-term debt. At December 28, 2014, the Company had $39.3 million recorded for these financing lease obligations, of which $1.1 million was recorded as short-term debt and $38.2 million was recorded as long-term debt. The buildings are being depreciated on a straight-line basis over the terms of the leases to their estimated residual values, which will equal the remaining financing obligation at the end of the lease term. At the end of the lease term, the remaining balances in property, plant and equipment, net and debt will be reversed against each other.

Other Short-term Obligations. At June 28, 2015, the Company had $0.9 million of borrowings under other short-term obligation arrangements, which were settled during the third quarter of fiscal year 2015.

Note 9: Earnings Per Share

Basic earnings per share was computed by dividing net income by the weighted-average number of common shares outstanding during the period less restricted unvested shares. Diluted earnings per share was computed by dividing net income by the weighted-average number of common shares outstanding plus all potentially dilutive common stock equivalents,

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primarily shares issuable upon the exercise of stock options using the treasury stock method. The following table reconciles the number of shares utilized in the earnings per share calculations:

	Three Months Ended		Six Months Ended
	June 28, 2015	June 29, 2014	June 28, 2015	June 29, 2014
	(In thousands)
Number of common shares—basic	113,018	112,788	112,829	112,671
Effect of dilutive securities:
Stock options	639	970	659	1,010
Restricted stock awards	176	213	148	193
Number of common shares—diluted	113,833	113,971	113,636	113,874
Number of potentially dilutive securities excluded from calculation due to antidilutive impact	493	499	713	479

Antidilutive securities include outstanding stock options with exercise prices and average unrecognized compensation cost in excess of the average fair market value of common stock for the related period. Antidilutive options were excluded from the calculation of diluted net income per share and could become dilutive in the future.

Note 10: Industry Segment Information

The Company discloses information about its operating segments based on the way that management organizes the segments within the Company for making operating decisions and assessing financial performance. The Company evaluates the performance of its operating segments based on revenue and operating income. Intersegment revenue and transfers are not significant. The Company’s management reviews the results of the Company’s operations by the Human Health and Environmental Health operating segments. The accounting policies of the operating segments are the same as those described in Note 1 to the audited consolidated financial statements in the 2014 Form 10-K.

The Company realigned its organization at the beginning of fiscal year 2015 to enable the Company to both deliver complete solutions targeted towards certain end markets and develop value-added applications and solutions to foster further expansion of those markets. OneSource, the multivendor service offering business that serves the life sciences end market, was moved from the Environmental Health segment into the Human Health segment. The results reported for the three and six months ended June 28, 2015 reflect this new alignment of the Company's operating segments. Financial information in this report relating to the three and six months ended June 29, 2014 and the fiscal year ended 2014 have been retrospectively adjusted to reflect the changes to the operating segments. The principal products and services of the Company's two operating segments are:

• Human Health.    Develops diagnostics, tools and applications to help detect diseases earlier and more accurately and to accelerate the discovery and development of critical new therapies. The Human Health segment serves both the diagnostics and research markets.

• Environmental Health.    Provides products, services and solutions to facilitate the creation of safer food and consumer products, more secure surroundings and efficient energy resources. The Environmental Health segment serves the environmental, industrial and laboratory services markets.

The Company has included the expenses for its corporate headquarters, such as legal, tax, audit, human resources, information technology, and other management and compliance costs, as well as the activity related to the mark-to-market adjustment on postretirement benefit plans, as “Corporate” below. The Company has a process to allocate and recharge expenses to the reportable segments when these costs are administered or paid by the corporate headquarters based on the extent to which the segment benefited from the expenses. These amounts have been calculated in a consistent manner and are included in the Company’s calculations of segment results to internally plan and assess the performance of each segment for all purposes, including determining the compensation of the business leaders for each of the Company’s operating segments.

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Revenue and operating income (loss) from continuing operations by operating segment are shown in the table below:

	Three Months Ended						Six Months Ended
	June 28, 2015			June 29, 2014			June 28, 2015			June 29, 2014
	(In thousands)
Human Health
Product revenue	$	242,506		$	245,108		$	473,654		$	484,137
Service revenue	98,982			97,435			193,887			188,439
Total revenue	341,488			342,543			667,541			672,576
Operating income from continuing operations	60,531			57,908			116,413			101,890
Environmental Health
Product revenue	146,212			136,501			274,377			262,956
Service revenue	76,206			77,126			148,889			151,248
Total revenue	222,418			213,627			423,266			414,204
Operating income from continuing operations	19,422			25,578			30,768			47,185
Corporate
Operating loss from continuing operations(1)	(11,822		)	(13,849		)	(21,669		)	(27,676		)
Continuing Operations
Product revenue	388,718			381,609			748,031			747,093
Service revenue	175,188			174,561			342,776			339,687
Total revenue	563,906			556,170			1,090,807			1,086,780
Operating income from continuing operations	68,131			69,637			125,512			121,399
Interest and other expense, net (see Note 5)	10,843			8,964			20,264			20,253
Income from continuing operations before income taxes	$	57,288		$	60,673		$	105,248		$	101,146

____________________________

⁽¹⁾  In 2002, Enzo Biochem, Inc. and Enzo Life Sciences, Inc. (collectively, “Enzo”) filed a complaint that alleged that the Company separately and together with other defendants breached distributorship and settlement agreements with Enzo, infringed Enzo's patents, engaged in unfair competition and fraud, and committed torts against Enzo by, among other things, engaging in commercial development and exploitation of Enzo's patented products and technology. The Company entered into a settlement agreement with Enzo dated June 20, 2014 and during fiscal year 2014 paid $7.0 million into a designated escrow account to resolve this matter, of which $3.7 million had been accrued in previous years and $3.3 million was recorded in the second quarter of fiscal year 2014. In addition, the Company incurred $0.1 million and $3.4 million of expenses in preparation for the trial during the three and six months ended June 29, 2014, respectively.

Note 11: Stockholders’ Equity

Comprehensive Income:

The components of accumulated other comprehensive income consisted of the following:

	June 28, 2015			December 28, 2014
	(In thousands)
Foreign currency translation adjustments	$	11,906		$	23,332
Unrecognized prior service costs, net of income taxes	1,575			1,575
Unrealized net losses on securities, net of income taxes	(170		)	(107		)
Accumulated other comprehensive income	$	13,311		$	24,800

Stock Repurchases:

On October 23, 2014, the Board of Directors (the "Board") authorized the Company to repurchase up to 8.0 million shares of common stock under a stock repurchase program (the "Repurchase Program"). The Repurchase Program will expire on October 23, 2016 unless terminated earlier by the Board, and may be suspended or discontinued at any time. During the six months ended June 28, 2015, the Company did not repurchase shares of common stock in the open market, under the Repurchase Program. As of June 28, 2015, 7.4 million shares remained available for repurchase under the Repurchase Program.

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In addition, the Board has authorized the Company to repurchase shares of common stock to satisfy minimum statutory tax withholding obligations in connection with the vesting of restricted stock awards and restricted stock unit awards granted pursuant to the Company’s equity incentive plans and to satisfy obligations related to the exercise of stock options made pursuant to the Company's equity incentive plans. During the six months ended June 28, 2015, the Company repurchased 88,456 shares of common stock for this purpose at an aggregate cost of $4.1 million. The repurchased shares have been reflected as additional authorized but unissued shares, with the payments reflected in common stock and capital in excess of par value.

Dividends:

The Board declared a regular quarterly cash dividend of $0.07 per share for each of the first two quarters of fiscal year 2015 and in each quarter of fiscal year 2014. At June 28, 2015, the Company has accrued $7.9 million for dividends declared on April 27, 2015 for the second quarter of fiscal year 2015, payable in August 2015. On July 22, 2015, the Company announced that the Board had declared a quarterly dividend of $0.07 per share for the third quarter of fiscal year 2015 that will be payable in November 2015. In the future, the Board may determine to reduce or eliminate the Company’s common stock dividend in order to fund investments for growth, repurchase shares or conserve capital resources.

Note 12: Stock Plans

In addition to the Company's Employee Stock Purchase Plan, the Company utilizes one stock-based compensation plan, the 2009 Incentive Plan (the “2009 Plan”). Under the 2009 Plan, 10.0 million shares of the Company's common stock are authorized for stock option grants, restricted stock awards, performance units and stock grants as part of the Company’s compensation programs. In addition to shares of the Company’s common stock originally authorized for issuance under the 2009 Plan, the 2009 Plan includes shares of the Company’s common stock previously granted under the Amended and Restated 2001 Incentive Plan and the 2005 Incentive Plan that were canceled or forfeited without the shares being issued.

The following table summarizes total pre-tax compensation expense recognized related to the Company’s stock options, restricted stock, restricted stock units, performance units and stock grants, net of estimated forfeitures, included in the Company’s condensed consolidated statements of operations for the three and six months ended June 28, 2015 and June 29, 2014:

	Three Months Ended				Six Months Ended
	June 28, 2015		June 29, 2014		June 28, 2015		June 29, 2014
	(In thousands)
Cost of product and service revenue	$	392	$	337	$	640	$	671
Research and development expenses	141		220		300		360
Selling, general and administrative expenses	3,673		4,246		7,253		8,288
Total stock-based compensation expense	$	4,206	$	4,803	$	8,193	$	9,319

The total income tax benefit recognized in the condensed consolidated statements of operations for stock-based compensation was $1.4 million and $2.7 million for the three and six months ended June 28, 2015, respectively. The total income tax benefit recognized in the condensed consolidated statements of operations for stock-based compensation was $1.8 million and $3.5 million for the three and six months ended June 29, 2014, respectively. Stock-based compensation costs capitalized as part of inventory were $0.3 million and $0.4 million as of June 28, 2015 and June 29, 2014, respectively.

Stock Options: The fair value of each option grant is estimated using the Black-Scholes option pricing model. The Company’s weighted-average assumptions used in the Black-Scholes option pricing model were as follows:

	Three and Six Months Ended
	June 28, 2015		June 29, 2014
Risk-free interest rate	1.3	%	1.5	%
Expected dividend yield	0.6	%	0.7	%
Expected term	5 years		5 years
Expected stock volatility	26.5	%	30.9	%

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The following table summarizes stock option activity for the six months ended June 28, 2015:

	Number of Shares		Weighted- Average Exercise Price		Weighted-Average Remaining Contractual Term	Total Intrinsic Value
	(In thousands)				(In years)	(In millions)
Outstanding at December 28, 2014	2,828		$	26.11
Granted	484		46.22
Exercised	(728	)	17.39
Canceled	(3	)	22.49
Forfeited	(78	)	30.63
Outstanding at June 28, 2015	2,503		$	32.40	4.1	$	49.3
Exercisable at June 28, 2015	1,619		$	26.33	3.0	$	41.7
Vested and expected to vest in the future	2,435		$	32.14	4.0	$	48.6

The Company did not grant any options during the three months ended June 28, 2015. The weighted-average per-share grant-date fair value of options granted during the six months ended June 28, 2015 was $10.99. The weighted-average per-share grant-date fair value of options granted during the three and six months ended June 29, 2014 was $11.80 and $11.84, respectively. The total intrinsic value of options exercised during the three and six months ended June 28, 2015 was $4.3 million and $21.9 million, respectively. The total intrinsic value of options exercised during the three and six months ended June 29, 2014 was $11.1 million and $17.6 million, respectively. Cash received from option exercises for the six months ended June 28, 2015 and June 29, 2014 was $12.7 million and $19.5 million, respectively.

The total compensation expense recognized related to the Company’s outstanding options was $1.1 million and $1.9 million for the three and six months ended June 28, 2015, respectively, and $1.4 million and $2.9 million for the three and six months ended June 29, 2014, respectively.

There was $8.1 million of total unrecognized compensation cost related to nonvested stock options granted as of June 28, 2015. This cost is expected to be recognized over a weighted-average period of 2.1 years and will be adjusted for any future changes in estimated forfeitures.

Restricted Stock Awards: The following table summarizes restricted stock award activity for the six months ended June 28, 2015:

	Number of Shares		Weighted- Average Grant- Date Fair Value
	(In thousands)
Nonvested at December 28, 2014	558		$	35.51
Granted	220		46.59
Vested	(229	)	30.38
Forfeited	(25	)	40.02
Nonvested at June 28, 2015	524		$	42.18

The weighted-average per-share grant-date fair value of restricted stock awards granted during the three and six months ended June 28, 2015 was $51.13 and $46.59, respectively. The weighted-average per-share grant-date fair value of restricted stock awards granted during the three and six months ended June 29, 2014 was $43.19 and $42.61, respectively. The fair value of restricted stock awards vested during the three and six months ended June 28, 2015 was $0.3 million and $7.0 million, respectively. The fair value of restricted stock awards vested during the three and six months ended June 29, 2014 was $0.2 million and $7.0 million, respectively. The total compensation expense recognized related to the Company’s outstanding restricted stock awards was $2.3 million and $4.3 million for the three and six months ended June 28, 2015, respectively, and $1.9 million and $3.9 million for the three and six months ended June 29, 2014, respectively.

As of June 28, 2015, there was $15.0 million of total unrecognized compensation cost related to nonvested restricted stock awards. That cost is expected to be recognized over a weighted-average period of 1.7 years.

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Performance Units: The Company granted 66,509 and 79,463 performance units during the six months ended June 28, 2015 and June 29, 2014, respectively, as part of the Company’s executive incentive program. The weighted-average per-share grant-date fair value of performance units granted during the six months ended June 28, 2015 and June 29, 2014 was $46.83 and $42.84, respectively. During the six months ended June 28, 2015, 8,860 performance units were forfeited. During the six months ended June 29, 2014, no performance units were forfeited. The total compensation expense recognized related to performance units was $0.1 million and $1.2 million for the three and six months ended June 28, 2015, respectively, and expenses of $0.7 million and $1.7 million for the three and six months ended June 29, 2014, respectively. As of June 28, 2015, there were 201,415 performance units outstanding and subject to forfeiture, with a corresponding liability of $3.3 million recorded in accrued expenses and other current liabilities.

Stock Awards: The Company generally grants stock awards only to non-employee members of the Board. The Company granted 1,953 shares and 2,373 shares to each non-employee member of the Board during the six months ended June 28, 2015 and June 29, 2014, respectively. The Company also granted 544 shares to a new non-employee member of the Board during the three months ended March 29, 2015. The weighted-average per-share grant-date fair value of the stock awards granted during the six months ended June 28, 2015 and June 29, 2014 was $51.01 and $42.14, respectively. The total compensation expense recognized related to these stock awards was $0.7 million for each of the six months ended June 28, 2015 and June 29, 2014.

Employee Stock Purchase Plan: During the six months ended June 28, 2015, the Company issued 29,565 shares of common stock under the Company's Employee Stock Purchase Plan at a weighted-average price of $41.54 per share. During the six months ended June 29, 2014, the Company issued 31,854 shares of common stock under the Company's Employee Stock Purchase Plan at a weighted-average price of $39.17 per share. At June 28, 2015, an aggregate of 1.0 million shares of the Company’s common stock remained available for sale to employees out of the 5.0 million shares authorized by shareholders for issuance under this plan.

Note 13: Goodwill and Intangible Assets, Net

The Company tests goodwill and non-amortizing intangible assets at least annually for possible impairment. Accordingly, the Company completes the annual testing of impairment for goodwill and non-amortizing intangible assets on the later of January 1 or the first day of each fiscal year. In addition to its annual test, the Company regularly evaluates whether events or circumstances have occurred that may indicate a potential impairment of goodwill or non-amortizing intangible assets.

The process of testing goodwill for impairment involves the determination of the fair value of the applicable reporting units. The test consists of a two-step process. The first step is the comparison of the fair value to the carrying value of the reporting unit to determine if the carrying value exceeds the fair value. The second step measures the amount of an impairment loss, and is only performed if the carrying value exceeds the fair value of the reporting unit. The Company performed its annual impairment testing for its reporting units as of January 1, 2015, its annual impairment date for fiscal year 2015. The Company concluded based on the first step of the process that there was no goodwill impairment, and the fair value exceeded the carrying value by more than 20.0% for each reporting unit. The long-term terminal growth rates for the Company’s reporting units ranged from 4.0% to 6.5% for the fiscal year 2015 impairment analysis. The range for the discount rates for the reporting units was 9.5% to 12.5%. Keeping all other variables constant, a 10.0% change in any one of the input assumptions for the various reporting units would still allow the Company to conclude, based on the first step of the process, that there was no impairment of goodwill.

Subsequent to the 2015 annual impairment test, the Company realigned its organization, as discussed in Note 10. While the realignment did not have a significant impact on the fair values of the reporting units as discussed above, the realignment did result in a change in the composition of the Company's reportable segments. OneSource, the multivendor service offering business that serves the life sciences end market, was moved from the Environmental Health segment into the Human Health segment. As a result of the new alignment, the Company reallocated goodwill from the Environmental Health segment to the Human Health segment based on the relative fair value, determined using the income approach, of the business. During the second quarter of 2015, the Company updated its preliminary analysis and the realignment resulted in $41.2 million of goodwill being reallocated from the Environmental Health segment into the Human Health segment as of December 28, 2014.

The Company has consistently employed the income approach to estimate the current fair value when testing for impairment of goodwill. A number of significant assumptions and estimates are involved in the application of the income approach to forecast operating cash flows, including markets and market share, sales volumes and prices, costs to produce, tax rates, capital spending, discount rates and working capital changes. Cash flow forecasts are based on approved business unit operating plans for the early years’ cash flows and historical relationships in later years. The income approach is sensitive to changes in long-term terminal growth rates and the discount rates. The long-term terminal growth rates are consistent with the Company’s historical long-term terminal growth rates, as the current economic trends are not expected to affect the long-term terminal growth rates of the Company. The Company corroborates the income approach with a market approach.

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The Company has consistently employed the relief from royalty model to estimate the current fair value when testing for impairment of non-amortizing intangible assets. The impairment test consists of a comparison of the fair value of the non-amortizing intangible asset with its carrying amount. If the carrying amount of a non-amortizing intangible asset exceeds its fair value, an impairment loss in an amount equal to that excess is recognized. In addition, the Company evaluates the remaining useful lives of its non-amortizing intangible assets at least annually to determine whether events or circumstances continue to support an indefinite useful life. If events or circumstances indicate that the useful lives of non-amortizing intangible assets are no longer indefinite, the assets will be tested for impairment. These intangible assets will then be amortized prospectively over their estimated remaining useful lives and accounted for in the same manner as other intangible assets that are subject to amortization. The Company performed its annual impairment testing as of January 1, 2015, and concluded that there was no impairment of non-amortizing intangible assets. An assessment of the recoverability of amortizing intangible assets takes place when events have occurred that may give rise to an impairment. No such events occurred during the first six months of fiscal year 2015.

The changes in the carrying amount of goodwill for the period ended June 28, 2015 from December 28, 2014 were as follows:

	Human Health			Environmental Health			Consolidated
	(In thousands)
Balance at December 28, 2014	$	1,662,755		$	621,322		$	2,284,077
Foreign currency translation	(15,453		)	(6,483		)	(21,936		)
Acquisitions and other	33			13,724			13,757
Balance at June 28, 2015	$	1,647,335		$	628,563		$	2,275,898

Identifiable intangible asset balances at June 28, 2015 and December 28, 2014 by category were as follows:

	June 28, 2015			December 28, 2014
	(In thousands)
Patents	$	39,923		$	39,953
Less: Accumulated amortization	(28,484		)	(27,200		)
Net patents	11,439			12,753
Trade names and trademarks	40,223			40,069
Less: Accumulated amortization	(18,852		)	(16,936		)
Net trade names and trademarks	21,371			23,133
Licenses	59,441			59,631
Less: Accumulated amortization	(43,623		)	(41,792		)
Net licenses	15,818			17,839
Core technology	299,785			298,491
Less: Accumulated amortization	(199,087		)	(184,697		)
Net core technology	100,698			113,794
Customer relationships	403,312			402,185
Less: Accumulated amortization	(175,018		)	(156,994		)
Net customer relationships	228,294			245,191
IPR&D	9,660			10,103
Less: Accumulated amortization	(3,613		)	(3,132		)
Net IPR&D	6,047			6,971
Net amortizable intangible assets	383,667			419,681
Non-amortizing intangible assets:
Trade names and trademarks	70,584			70,584
Total	$	454,251		$	490,265

Total amortization expense related to definite-lived intangible assets was $19.9 million and $39.7 million for the three and six months ended June 28, 2015, respectively, and $20.6 million and $41.3 million for the three and six months June 29,

19

2014, respectively. Estimated amortization expense related to definite-lived intangible assets for each of the next five years is $40.3 million for the remainder of fiscal year 2015, $70.7 million for fiscal year 2016, $60.9 million for fiscal year 2017, $49.9 million for fiscal year 2018, and $38.1 million for fiscal year 2019.

Note 14: Warranty Reserves

The Company provides warranty protection for certain products usually for a period of one year beyond the date of sale. The majority of costs associated with warranty obligations include the replacement of parts and the time for service personnel to respond to repair and replacement requests. A warranty reserve is recorded based upon historical results, supplemented by management’s expectations of future costs. Warranty reserves are included in “Accrued expenses and other current liabilities” on the condensed consolidated balance sheets.

A summary of warranty reserve activity for the three and six months ended June 28, 2015 and June 29, 2014 is as follows:

	Three Months Ended						Six Months Ended
	June 28, 2015			June 29, 2014			June 28, 2015			June 29, 2014
	(In thousands)
Balance at beginning of period	$	10,871		$	10,357		$	10,783		$	10,534
Provision charged to income	4,330			4,332			8,488			8,409
Payments	(3,984		)	(4,388		)	(7,746		)	(8,355		)
Adjustments to previously provided warranties, net	(550		)	471			(471		)	174
Foreign currency translation and acquisitions	143			14			(244		)	24
Balance at end of period	$	10,810		$	10,786		$	10,810		$	10,786

Note 15: Employee Postretirement Benefit Plans

The following table summarizes the components of net periodic benefit (credit) cost for the Company’s various defined benefit employee pension and postretirement plans for the three and six months ended June 28, 2015 and June 29, 2014:

	Defined Benefit Pension Benefits						Postretirement Medical Benefits
	Three Months Ended
	June 28, 2015			June 29, 2014			June 28, 2015			June 29, 2014
	(In thousands)
Service cost	$	1,085		$	1,034		$	27		$	24
Interest cost	5,176			5,931			36			39
Expected return on plan assets	(6,510		)	(6,280		)	(266		)	(241		)
Curtailment gain	(816		)	—			—			—
Actuarial loss	821			—			—			—
Amortization of prior service costs	(59		)	(71		)	—			—
Net periodic benefit (credit) cost	$	(303	)	$	614		$	(203	)	$	(178	)

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	Defined Benefit Pension Benefits						Postretirement Medical Benefits
	Six Months Ended
	June 28, 2015			June 29, 2014			June 28, 2015			June 29, 2014
	(In thousands)
Service cost	$	2,191		$	2,064		$	54		$	48
Interest cost	10,426			11,847			72			77
Expected return on plan assets	(13,022		)	(12,543		)	(532		)	(482		)
Curtailment gain	(816		)	—			—			—
Actuarial loss	821			—			—			—
Amortization of prior service	(123		)	(142		)	—			—
Net periodic benefit (credit) cost	$	(523	)	$	1,226		$	(406	)	$	(357	)

During the six months ended June 28, 2015 and June 29, 2014, the Company contributed $5.7 million and $1.9 million, respectively, in the aggregate, to pension plans outside of the United States. During the six months ended June 28, 2015, the Company contributed $20.0 million to its defined benefit pension plan in the United States.

In the third quarter of fiscal year 2014, the Company notified certain employees of its intention to terminate their employment as part of the Q3 2014 restructuring plan. During the second quarter of fiscal year 2015, the termination of these participants decreased the expected future service lives in excess of the curtailment limit for one of the Company's pension plans, which resulted in a curtailment gain. The Company recorded the curtailment gain of $0.8 million during the second quarter of fiscal year 2015. As part of the curtailment, the Company remeasured the assets and liabilities of the plan that had the curtailment based upon current discount rates and the fair value of the pension plan's assets as of the curtailment date, which resulted in an actuarial loss of $0.8 million.

The Company recognizes actuarial gains and losses, unless an interim remeasurement is required, in operating results in the fourth quarter of the year in which the gains and losses occur, in accordance with the Company's accounting method for defined benefit pension plans and other postretirement benefits as described in Note 1 of the Company's audited consolidated financial statements and notes included in its 2014 Form 10-K. Such adjustments for gains and losses are primarily driven by events and circumstances beyond the Company's control, including changes in interest rates, the performance of the financial markets and mortality assumptions.

Note 16: Derivatives and Hedging Activities

The Company uses derivative instruments as part of its risk management strategy only, and includes derivatives utilized as economic hedges that are not designated as hedging instruments. By nature, all financial instruments involve market and credit risks. The Company enters into derivative instruments with major investment grade financial institutions and has policies to monitor the credit risk of those counterparties. The Company does not enter into derivative contracts for trading or other speculative purposes, nor does the Company use leveraged financial instruments. Approximately 60% of the Company’s business is conducted outside of the United States, generally in foreign currencies. The fluctuations in foreign currency can increase the costs of financing, investing and operating the business. The intent of these economic hedges is to offset gains and losses that occur on the underlying exposures from these currencies, with gains and losses resulting from the forward currency contracts that hedge these exposures.

In the ordinary course of business, the Company enters into foreign exchange contracts for periods consistent with its committed exposures to mitigate the effect of foreign currency movements on transactions denominated in foreign currencies. Transactions covered by hedge contracts include intercompany and third-party receivables and payables. The contracts are primarily in European and Asian currencies, have maturities that do not exceed 12 months, have no cash requirements until maturity, and are recorded at fair value on the Company’s condensed consolidated balance sheets. The unrealized gains and losses on the Company’s foreign currency contracts are recognized immediately in earnings, included in interest and other expense, net. The cash flows related to the settlement of these hedges are included in cash flows from operating activities within the Company’s condensed consolidated statement of cash flows.

Principal hedged currencies include the British Pound, Euro, Japanese Yen and Singapore Dollar. The Company held forward foreign exchange contracts, designated as economic hedges, with U.S. dollar equivalent notional amounts totaling $101.6 million, $95.0 million and $109.7 million at June 28, 2015, December 28, 2014 and June 29, 2014, respectively, and the fair value of these foreign currency derivative contracts was insignificant. The gains and losses realized on these foreign

21

currency derivative contracts are not material. The duration of these contracts was generally 30 days or less during each of the six months ended June 28, 2015 and June 29, 2014.

In addition, in connection with certain intercompany loan agreements the Company enters into forward foreign exchange contracts intended to hedge movements in foreign exchange rates prior to settlement of such intercompany loans denominated in foreign currencies. The Company records these hedges at fair value on the Company’s condensed consolidated balance sheets. The unrealized gains and losses on these hedges, as well as the gains and losses associated with the remeasurement of the intercompany loans, are recognized immediately in earnings, included in interest and other expense, net. The cash flows related to the settlement of these hedges are included in cash flows from financing activities within the Company’s condensed consolidated statement of cash flows.

During the six months ended June 28, 2015, the Company settled several of these forward exchange contracts and entered into three new contracts that will settle in fiscal year 2015. The combined Euro denominated notional amounts of these outstanding hedges was €156.1 million and €238.2 million as of June 28, 2015 and December 28, 2014, respectively. The net gains and losses on these derivatives, combined with the gains and losses on the remeasurement of the hedged intercompany loans were not material for the six months ending June 28, 2015. The Company received $23.5 million as a result of the settlement of these hedges in the six months ended June 28, 2015.

The Company does not expect any material net pre-tax gains or losses to be reclassified from accumulated other comprehensive income into interest and other expense, net within the next twelve months.

Note 17: Fair Value Measurements

Financial instruments that potentially subject the Company to concentrations of credit risk consist principally of cash equivalents, derivatives, marketable securities and accounts receivable. The Company believes it had no significant concentrations of credit risk as of June 28, 2015.

The Company uses the market approach technique to value its financial instruments and there were no changes in valuation techniques during the six months ended June 28, 2015. The Company’s financial assets and liabilities carried at fair value are primarily comprised of marketable securities, derivative contracts used to hedge the Company’s currency risk, and acquisition-related contingent consideration. The Company has not elected to measure any additional financial instruments or other items at fair value.

Valuation Hierarchy: The following summarizes the three levels of inputs required to measure fair value. For Level 1 inputs, the Company utilizes quoted market prices as these instruments have active markets. For Level 2 inputs, the Company utilizes quoted market prices in markets that are not active, broker or dealer quotations, or utilizes alternative pricing sources with reasonable levels of price transparency. For Level 3 inputs, the Company utilizes unobservable inputs based on the best information available, including estimates by management primarily based on information provided by third-party fund managers, independent brokerage firms and insurance companies. A financial asset’s or liability’s classification within the hierarchy is determined based on the lowest level input that is significant to the fair value measurement. In determining fair value, the Company utilizes valuation techniques that maximize the use of observable inputs and minimize the use of unobservable inputs to the extent possible.

The following tables show the assets and liabilities carried at fair value measured on a recurring basis as of June 28, 2015 and December 28, 2014 classified in one of the three classifications described above:

				Fair Value Measurements at June 28, 2015 Using:
	Total Carrying Value at June 28, 2015			Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)
	(In thousands)
Marketable securities	$	1,633		$	1,633	$	—		$	—
Foreign exchange derivative assets	160			—		160			—
Foreign exchange derivative liabilities	(6,017		)	—		(6,017		)	—
Contingent consideration	(475		)	—		—			(475		)

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				Fair Value Measurements at December 28, 2014 Using:
	Total Carrying Value at December 28, 2014			Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)			Significant Unobservable  Inputs (Level 3)
	(In thousands)
Marketable securities	$	1,568		$	1,568	$	—		$	—
Foreign exchange derivative assets	3,205			—		3,205			—
Foreign exchange derivative liabilities	(302		)	—		(302		)	—
Contingent consideration	(91		)	—		—			(91		)

Level 1 and Level 2 Valuation Techniques:  The Company’s Level 1 and Level 2 assets and liabilities are comprised of investments in equity and fixed-income securities as well as derivative contracts. For financial assets and liabilities that utilize Level 1 and Level 2 inputs, the Company utilizes both direct and indirect observable price quotes, including common stock price quotes, foreign exchange forward prices and bank price quotes. Below is a summary of valuation techniques for Level 1 and Level 2 financial assets and liabilities.

Marketable securities:    Include equity and fixed-income securities measured at fair value using the quoted market prices in active markets at the reporting date.

Foreign exchange derivative assets and liabilities:    Include foreign exchange derivative contracts that are valued using quoted forward foreign exchange prices at the reporting date. The Company’s foreign exchange derivative contracts are subject to master netting arrangements that allow the Company and its counterparties to net settle amounts owed to each other. Derivative assets and liabilities that can be net settled under these arrangements have been presented in the Company's consolidated balance sheet on a net basis and are recorded in other assets. As of both June 28, 2015 and December 28, 2014, none of the master netting arrangements involved collateral.

Level 3 Valuation Techniques:  The Company’s Level 3 liabilities are comprised of contingent consideration related to acquisitions. For liabilities that utilize Level 3 inputs, the Company uses significant unobservable inputs. Below is a summary of valuation techniques for Level 3 liabilities.

Contingent consideration:    The Company has classified its net liabilities for contingent consideration relating to its acquisitions within Level 3 of the fair value hierarchy because the fair value is determined using significant unobservable inputs, which included probability weighted cash flows. A description of the significant acquisitions is included within Note 2 to the Company's audited consolidated financial statements filed with the 2014 Form 10-K. Contingent consideration is measured at fair value at the acquisition date, based on the probability that revenue thresholds or product development milestones will be achieved during the earnout period. Increases or decreases in the fair value of contingent consideration liabilities primarily result from changes in the estimated probabilities of achieving revenue thresholds or product development milestones during the earnout period. The Company may have to pay contingent consideration, related to acquisitions with open contingency periods, of up to $32.5 million as of June 28, 2015. As of June 28, 2015, the Company had recorded contingent consideration obligations, which were assumed as part of the Perten acquisition, with an estimated fair value of $0.5 million. The earnout period for acquisitions with open contingency periods does not exceed three years from the respective acquisition date, and the remaining weighted average earnout period at June 28, 2015 was four months.

A reconciliation of the beginning and ending Level 3 net liabilities for contingent consideration is as follows:

	Three Months Ended						Six Months Ended
	June 28, 2015			June 29, 2014			June 28, 2015			June 29, 2014
	(In thousands)
Balance at beginning of period	$	(81	)	$	(4,981	)	$	(91	)	$	(4,926	)
Additions	(475		)	—			(475		)	—
Amounts paid and foreign currency translation	—			(72		)	10			(72		)
Change in fair value (included within selling, general and administrative expenses)	81			1,623			81			1,568
Balance at end of period	$	(475	)	$	(3,430	)	$	(475	)	$	(3,430	)

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The carrying amounts of cash and cash equivalents, accounts receivable, accounts payable and accrued expenses approximate fair value due to the short-term maturities of these assets and liabilities. If measured at fair value, cash and cash equivalents would be classified as Level 1.

The Company’s senior unsecured revolving credit facility, which provides for $700.0 million of revolving loans, had amounts outstanding, excluding letters of credit, of $451.0 million and $516.0 million as of June 28, 2015 and December 28, 2014, respectively. The interest rate on the Company’s senior unsecured revolving credit facility is reset at least monthly to correspond to variable rates that reflect currently available terms and conditions for similar debt. The Company had no change in credit standing during the first six months of fiscal year 2015. Consequently, the carrying value of the current year and prior year credit facilities approximate fair value and would be classified as Level 2.

The Company's 2021 Notes, with a face value of $500.0 million, had an aggregate carrying value of $497.8 million, net of $2.2 million of unamortized original issue discount, and a fair value of $526.7 million as of June 28, 2015. The 2021 Notes had an aggregate carrying value of $497.7 million, net of $2.3 million of unamortized original issue discount, and a fair value of $542.7 million as of December 28, 2014. The fair value of the 2021 Notes is estimated using market quotes from brokers and is based on current rates offered for similar debt.

The Company's financing lease obligations had an aggregate carrying value of $38.7 million and $39.3 million as of June 28, 2015 and December 28, 2014, respectively. The carrying values of the Company's financing lease obligations approximated their fair value as there has been minimal change in the Company's incremental borrowing rate. As of June 28, 2015, the 2021 Notes and financing lease obligations were classified as Level 2.

As of June 28, 2015, there has not been any significant impact to the fair value of the Company’s derivative liabilities due to credit risk. Similarly, there has not been any significant adverse impact to the Company’s derivative assets based on the evaluation of its counterparties’ credit risks.

Note 18: Contingencies

The Company is conducting a number of environmental investigations and remedial actions at current and former locations of the Company and, along with other companies, has been named a potentially responsible party (“PRP”) for certain waste disposal sites. The Company accrues for environmental issues in the accounting period that the Company’s responsibility is established and when the cost can be reasonably estimated. The Company has accrued $12.1 million and $12.3 million as of June 28, 2015 and December 28, 2014, respectively, which represents its management’s estimate of the cost of the remediation of known environmental matters, and does not include any potential liability for related personal injury or property damage claims. The Company's environmental accrual is not discounted and does not reflect the recovery of any material amounts through insurance or indemnification arrangements. The cost estimates are subject to a number of variables, including the stage of the environmental investigations, the magnitude of the possible contamination, the nature of the potential remedies, possible joint and several liability, the time period over which remediation may occur, and the possible effects of changing laws and regulations. For sites where the Company has been named a PRP, management does not currently anticipate any additional liability to result from the inability of other significant named parties to contribute. The Company expects that the majority of such accrued amounts could be paid out over a period of up to ten years. As assessment and remediation activities progress at each individual site, these liabilities are reviewed and adjusted to reflect additional information as it becomes available. There have been no environmental problems to date that have had, or are expected to have, a material adverse effect on the Company’s condensed consolidated financial statements. While it is possible that a loss exceeding the amounts recorded in the condensed consolidated financial statements may be incurred, the potential exposure is not expected to be materially different from those amounts recorded.

The Company is subject to various claims, legal proceedings and investigations covering a wide range of matters that arise in the ordinary course of its business activities. Although the Company has established accruals for potential losses that it believes are probable and reasonably estimable, in the opinion of the Company’s management, based on its review of the information available at this time, the total cost of resolving these contingencies at June 28, 2015 should not have a material adverse effect on the Company’s condensed consolidated financial statements. However, each of these matters is subject to uncertainties, and it is possible that some of these matters may be resolved unfavorably to the Company.

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Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations

This quarterly report on Form 10-Q, including the following management’s discussion and analysis, contains forward-looking information that you should read in conjunction with the condensed consolidated financial statements and notes to the condensed consolidated financial statements that we have included elsewhere in this report. For this purpose, any statements contained in this report that are not statements of historical fact may be deemed to be forward-looking statements. Words such as “believes,” “plans,” “anticipates,” “intends,” “expects,” “will” and similar expressions are intended to identify forward-looking statements. Our actual results may differ materially from the plans, intentions or expectations we disclose in the forward-looking statements we make. We have included important factors below under the heading “Risk Factors” in Part II, Item 1A. that we believe could cause actual results to differ materially from the forward-looking statements we make. We are not obligated to publicly update any forward-looking statements, whether as a result of new information, future events or otherwise.

Overview

We are a leading provider of products, services and solutions to the diagnostics, research, environmental, industrial and laboratory services markets. Through our advanced technologies, solutions, and services, we address critical issues that help to improve the health and safety of people and their environment.

We realigned our organization at the beginning of fiscal year 2015 to enable us to both deliver complete solutions targeted towards certain end markets and develop value-added applications and solutions to foster further expansion of those markets. OneSource, the multivendor service offering business that serves our life sciences end market, was moved from our Environmental Health segment into our Human Health segment. The results reported for the three and six months ended June 28, 2015 reflect this new alignment of our operating segments. Financial information in this report relating to the three and six months ended June 29, 2014 and the fiscal year ended 2014 have been retrospectively adjusted to reflect the changes to the operating segments. The principal products and services of our two operating segments are:

• Human Health.    Concentrates on developing diagnostics, tools and applications to help detect diseases earlier and more accurately and to accelerate the discovery and development of critical new therapies. Our Human Health segment serves both the diagnostics and research markets.

• Environmental Health.    Provides products, services and solutions to facilitate the creation of safer food and consumer products, more secure surroundings and efficient energy resources. Our Environmental Health segment serves the environmental, industrial and laboratory services markets.

As a result of the realignment, we reallocated goodwill from our Environmental Health segment to our Human Health segment based on the relative fair value, determined using the income approach, of the business within the historical Environmental Health segment. During the second quarter of 2015, we updated our preliminary analysis and the realignment resulted in $41.2 million of goodwill being reallocated from our Environmental Health segment to our Human Health segment as of December 28, 2014.

Overview of the Second Quarter of Fiscal Year 2015

Our fiscal year ends on the Sunday nearest December 31. We report fiscal years under a 52/53 week format, and as a result certain fiscal years will contain 53 weeks. The fiscal year ending January 3, 2016 ("fiscal year 2015") will include 53 weeks. The extra week in fiscal year 2015 will be included in the third quarter. The fiscal year ended December 28, 2014 ("fiscal year 2014") included 52 weeks.

Our overall revenue in the second quarter of fiscal year 2015 was $563.9 million and increased $7.7 million, or 1%, as compared to the second quarter of fiscal year 2014, reflecting an increase of $8.8 million, or 4%, in our Environmental Health segment revenue, which was partially offset by a decrease of $1.1 million, or 0.3%, in our Human Health segment revenue. The increase in our Environmental Health segment revenue during the second quarter of fiscal year 2015 was primarily due to revenue from the acquisition of Perten Instruments Group AB ("Perten"), as well as increased demand for environmental and food applications, which was partially offset by unfavorable impacts from foreign currency. During the second quarter of fiscal year 2015, our Human Health segment revenue experienced growth, driven primarily by our newborn and infectious disease screening business within our diagnostics market and growth generated across various existing and new products within our research market. However, this growth was more than offset by unfavorable impacts from foreign currency as the U.S. dollar strengthened, particularly versus the Euro, as compared to the same period in the prior year.

In our Human Health segment, we experienced growth during the second quarter of fiscal year 2015 in several of our products within our end markets, as compared to the second quarter of fiscal year 2014. In our diagnostics market we experienced growth from continued expansion of our newborn and infectious disease screening solutions in key regions outside the United States, particularly in emerging markets such as China. Birth rates in the United States continue to stabilize and

25

demand for greater access to newborn screening in rural areas outside the United States is also increasing, as evidenced by prenatal trends we saw during the second quarter of fiscal year 2015. In our research market we experienced growth due to new product introductions, such as the Opera Phenix, as well as improved demand for our automation systems and our OneSource service offerings. Our OneSource business offers services designed to enable our customers to increase efficiencies and production time while reducing maintenance costs, all of which continue to be critical for our customers. The growth in our Human Health segment was more than offset by unfavorable impacts from foreign currency as the U.S. dollar strengthened, particularly versus the Euro, as well as a decline in our medical imaging business due to a decrease in orders of our imaging detectors. As the rising cost of healthcare continues to be one of the critical issues facing our customers, we anticipate that the benefits of providing earlier detection of disease, which can result in savings of long-term health care costs as well as create better outcomes for patients, are increasingly valued and we expect to see continued growth in these markets.

In our Environmental Health segment, we had an increase in revenue for the second quarter of fiscal year 2015 as compared to the second quarter of fiscal year 2014, despite unfavorable impacts from foreign currency. The increase in revenue was primarily due to revenue from the acquisition of Perten, as well as increased demand for environmental and food applications. We anticipate that the continued development of contaminant regulations and corresponding testing protocols will result in increased demand for efficient, analytically sensitive and information rich testing solutions.

Our consolidated gross margins increased 19 basis points in the second quarter of fiscal year 2015, as compared to the second quarter of fiscal year 2014, due to favorable changes in product mix, with an increase in sales of higher gross margin product offerings and benefits from our initiatives to improve our supply chain. Our consolidated operating margins decreased 44 basis points in the second quarter of fiscal year 2015, as compared to the second quarter of fiscal year 2014, primarily due to higher costs as a result of restructuring activities and increased costs related to investments in new product development, which were partially offset by higher gross margins and cost containment and productivity initiatives.

We believe we are well positioned to continue to take advantage of the spending trends in our end markets and to promote our efficiencies in markets where current conditions may increase demand for certain services. Overall, we believe that our strategic focus on Human Health and Environmental Health coupled with our breadth of end markets, deep portfolio of technologies and applications, leading market positions, global scale and financial strength will provide us with a foundation for growth.

Critical Accounting Policies and Estimates

The preparation of condensed consolidated financial statements requires us to make estimates and judgments that affect the reported amounts of assets, liabilities, revenue and expenses and related disclosure of contingent assets and liabilities. On an ongoing basis, we evaluate our estimates, including those related to revenue recognition, warranty costs, bad debts, inventories, accounting for business combinations and dispositions, long-lived assets, income taxes, restructuring, pensions and other postretirement benefits, contingencies and litigation. We base our estimates on historical experience and on various other assumptions that we believe to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Actual results may differ from these estimates under different assumptions or conditions.

Critical accounting policies are those policies that affect our more significant judgments and estimates used in the preparation of our condensed consolidated financial statements. We believe our critical accounting policies include our policies regarding revenue recognition, warranty costs, allowances for doubtful accounts, inventory valuation, business combinations, value of long-lived assets, including goodwill and other intangibles, employee compensation and benefits, restructuring activities, gains or losses on dispositions and income taxes.

For a more detailed discussion of our critical accounting policies and estimates, please refer to the Notes to our audited consolidated financial statements and Item 7. “Management’s Discussion and Analysis of Financial Condition and Results of Operations,” in our Annual Report on Form 10-K for the fiscal year ended December 28, 2014 (our “2014 Form 10-K”), as filed with the Securities and Exchange Commission (the "SEC"). There have been no significant changes in our critical accounting policies and estimates during the six months ended June 28, 2015.

Consolidated Results of Continuing Operations

Revenue

Revenue for the three months ended June 28, 2015 was $563.9 million, as compared to $556.2 million for the three months ended June 29, 2014, an increase of $7.7 million, or 1%, which includes an approximate 7%decrease in revenue attributable to unfavorable changes in foreign exchange rates and an approximate 4%increase in revenue attributable to acquisitions. The analysis in the remainder of this paragraph compares segment revenue for the three months ended June 28, 2015 as compared to the three months ended June 29, 2014 and includes the effect of foreign exchange rate fluctuations and

26

acquisitions. Our Environmental Health segment revenue increased $8.8 million, or 4%, due to an increase in our environmental and industrial markets revenue of $12.7 million, which was partially offset by a decrease in laboratory services market revenue of $3.9 million. Our Human Health segment revenue decreased $1.1 million, or 0.3%, due to a decrease in diagnostics market revenue of $4.2 million, which was partially offset by an increase in research market revenue of $3.1 million. As a result of adjustments to deferred revenue related to certain acquisitions required by business combination rules, we did not recognize $0.2 million of revenue for the three months ended June 28, 2015 and $0.4 million for the three months ended June 29, 2014 that otherwise would have been recorded by the acquired businesses during each of the respective periods.

Revenue for the six months ended June 28, 2015 was $1,090.8 million, as compared to $1,086.8 million for the six months ended June 29, 2014, an increase of $4.0 million, or 0.4%, which includes an approximate 6%decrease in revenue attributable to unfavorable changes in foreign exchange rates and an approximate 3%increase in revenue attributable to acquisitions. The analysis in the remainder of this paragraph compares segment revenue for the six months ended June 28, 2015 as compared to the six months ended June 29, 2014 and includes the effect of foreign exchange rate fluctuations and acquisitions. Our Environmental Health segment revenue increased $9.1 million, or 2%, due to an increase in environmental and industrial markets revenue of $16.5 million, partially offset by a decrease in laboratory services market revenue of $7.5 million. Our Human Health segment revenue decreased $5.0 million, or 1%, due to a decrease in diagnostics market revenue of $5.3 million, was partially offset by an increase in research market revenue of $0.3 million. As a result of adjustments to deferred revenue related to certain acquisitions required by business combination rules, we did not recognize $0.5 million of revenue for the six months ended June 28, 2015 and $1.9 million for the six months ended June 29, 2014 that otherwise would have been recorded by the acquired businesses during each of the respective periods.

Cost of Revenue

Cost of revenue for the three months ended June 28, 2015 was $311.4 million, as compared to $308.2 million for the three months ended June 29, 2014, an increase of $3.2 million, or 1%. As a percentage of revenue, cost of revenue decreased to 55.2% for the three months ended June 28, 2015, from 55.4% for the three months ended June 29, 2014, resulting in an increase in gross margin of 19 basis points to 44.8% for the three months ended June 28, 2015, from 44.6% for the three months ended June 29, 2014. Amortization of intangible assets decreased and was $10.8 million for the three months ended June 28, 2015, as compared to $12.3 million for the three months ended June 29, 2014. Stock-based compensation expense was $0.4 million for the three months ended June 28, 2015, as compared to $0.3 million for the three months ended June 29, 2014. The amortization of purchase accounting adjustments to record the inventory from certain acquisitions added an incremental expense of$1.6 million for the three months ended June 28, 2015. Acquisition related costs added an incremental expense of$0.02 million for each of the three months ended June 28, 2015 and June 29, 2014. In addition to the above items, the overall increase in gross margin was primarily the result of favorable changes in product mix, with an increase in sales of higher gross margin product offerings and early benefits from our initiatives to improve our supply chain.

Cost of revenue for the six months ended June 28, 2015 was $602.9 million, as compared to $603.1 million for the six months ended June 29, 2014, a decrease of $0.2 million, or 0.03%. As a percentage of revenue, cost of revenue decreased to 55.3% for the six months ended June 28, 2015, from 55.5% for the six months ended June 29, 2014, resulting in an increase in gross margin of 22 basis points to 44.7% for the six months ended June 28, 2015, from 44.5% for the six months ended June 29, 2014. Amortization of intangible assets decreased and was $21.5 million for the six months ended June 28, 2015, as compared to $25.0 million for the six months ended June 29, 2014. Stock-based compensation expense was $0.6 million for the six months ended June 28, 2015, as compared to $0.7 million for the six months ended June 29, 2014. The mark-to-market adjustment for postretirement benefit plans was a loss of $0.2 million for the six months ended June 28, 2015, as compared to a gain of $0.1 million for the six months ended June 29, 2014. Acquisition related costs added an incremental expense of$0.03 million for each of the six months ended June 28, 2015 and June 29, 2014. The amortization of purchase accounting adjustments to record the inventory from certain acquisitions added an incremental expense of$6.5 million for the six months ended June 28, 2015. In addition to the above items, the overall increase in gross margin was primarily the result of favorable changes in product mix, with an increase in sales of higher gross margin product offerings and early benefits from our initiatives to improve our supply chain.

Selling, General and Administrative Expenses

Selling, general and administrative expenses for the three months ended June 28, 2015 were $146.7 million, as compared to $147.3 million for the three months ended June 29, 2014, a decrease of $0.5 million, or 0.3%. As a percentage of revenue, selling, general and administrative expenses decreased and were 26.0% for the three months ended June 28, 2015, as compared to 26.5% for the three months ended June 29, 2014. Amortization of intangible assets increased and was $8.9 million for the three months ended June 28, 2015, as compared to $8.1 million for the three months ended June 29, 2014. Stock-based compensation expense decreased and was $3.7 million for the three months ended June 28, 2015, as compared to $4.2 million for the three months ended June 29, 2014. The mark-to-market adjustment for postretirement benefit plans was a loss of $0.8

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million for the three months ended June 28, 2015. Significant settlement and litigation expenses related to a particular case were $3.4 million for the three months ended June 29, 2014. Acquisition related costs for contingent consideration and other acquisition costs added an incremental expense of$0.2 million for the three months ended June 28, 2015, as compared to decreasing expenses by$1.5 million for the three months ended June 29, 2014. In addition to the above items, the decrease in selling, general and administrative expenses was primarily the result of cost containment and productivity initiatives.

Selling, general and administrative expenses for the six months ended June 28, 2015 were $292.6 million, as compared to $299.7 million for the six months ended June 29, 2014, a decrease of $7.1 million, or 2.4%. As a percentage of revenue, selling, general and administrative expenses decreased and were 26.8% for the six months ended June 28, 2015, as compared to 27.6% for the six months ended June 29, 2014. Amortization of intangible assets increased and was $17.9 million for the six months ended June 28, 2015, as compared to $16.0 million for the six months ended June 29, 2014. Stock-based compensation expense decreased and was $7.3 million for the six months ended June 28, 2015, as compared to $8.3 million for the six months ended June 29, 2014. The mark-to-market adjustment for postretirement benefit plans was a loss of $0.8 million for the six months ended June 28, 2015. Significant settlement and litigation expenses related to a particular case were $6.6 million for the six months ended June 29, 2014. Acquisition related costs for the reversal of contingent consideration and other acquisition costs added an incremental expense of$0.5 million for the six months ended June 28, 2015, as compared to decreasing expenses by$1.4 million for the six months ended June 29, 2014. In addition to the above items, the decrease in selling, general and administrative expenses was primarily the result of cost containment and productivity initiatives.

Research and Development Expenses

Research and development expenses for the three months ended June 28, 2015 were $32.7 million, as compared to $30.4 million for the three months ended June 29, 2014, an increase of $2.3 million, or 8%. As a percentage of revenue, research and development expenses increased and were 5.8% for the three months ended June 28, 2015, as compared to 5.5% for the three months ended June 29, 2014. Amortization of intangible assets was $0.1 million for each of the three months ended June 28, 2015 and June 29, 2014. Stock-based compensation expense was $0.1 million and $0.2 million for the three months ended June 28, 2015 and June 29, 2014, respectively. In addition to the above items, the increase in research and development expenses was primarily the result of new product releases and investments in new product development, which was partially offset by cost containment and productivity initiatives.

Research and development expenses for the six months ended June 28, 2015 were $64.8 million, as compared to $59.7 million for the six months ended June 29, 2014, an increase of $5.1 million, or 8%. As a percentage of revenue, research and development expenses increased and were 5.9% for the six months ended June 28, 2015, as compared to 5.5% for the six months ended June 29, 2014. Amortization of intangible assets decreased and was $0.2 million for the six months ended June 28, 2015, as compared to $0.3 million for the six months ended June 29, 2014. Stock-based compensation expense was $0.3 million for the six months ended June 28, 2015, as compared to $0.4 million for the six months ended June 29, 2014. In addition to the above items, the increase in research and development expenses was primarily the result of new product releases and investments in new product development, which was partially offset by cost containment and productivity initiatives. During the first six months of each of fiscal years 2015 and 2014, we directed research and development efforts towards the diagnostics and research markets within our Human Health segment, and the environmental, industrial and laboratory service markets within our Environmental Health segment, in order to help accelerate our growth initiatives.

Restructuring and Contract Termination Charges, Net

Our management has approved a series of restructuring actions related to the impact of acquisitions and divestitures, the alignment of our operations with our growth strategy, the integration of our business units and productivity initiatives. The current portion of restructuring and contract termination charges is recorded in accrued restructuring and contract termination charges and the long-term portion of restructuring and contract termination charges is recorded in long-term liabilities. The activities associated with these plans have been reported as restructuring and contract termination charges, net, and are included as a component of operating expenses from continuing operations.

We implemented restructuring plans in the second quarter of fiscal year 2015 and the third quarter of fiscal year 2014 consisting of workforce reductions principally intended to realign resources to emphasize growth initiatives (the "Q2 2015 Plan" and the "Q3 2014 Plan", respectively). We implemented restructuring plans in the second and first quarters of fiscal year 2014 consisting of workforce reductions principally intended to focus resources on higher growth end markets (the "Q2 2014 Plan" and the "Q1 2014 Plan", respectively). Details of the plans initiated in previous years (“Previous Plans”) are discussed more fully in Note 4 to the audited consolidated financial statements in the 2014 Form 10-K. We have also terminated various contractual commitments in connection with certain disposal activities and have recorded charges, to the extent applicable, for the costs of terminating these contracts before the end of their terms and the costs that will continue to be incurred for the remaining terms without economic benefit to us.

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The following table summarizes the number of employees reduced, the initial restructuring or contract termination charges by operating segment, and the dates by which payments were substantially completed, or the expected dates by which payments will be substantially completed, for restructuring actions implemented during the six months ended June 28, 2015 and fiscal year 2014:

		Initial Restructuring or Contract Termination Charges				Total		Date or Expected Date Payments Substantially Completed by
	Headcount Reduction	Human Health		Environmental Health
	(In thousands, except headcount data)
Q2 2015 Plan	102	$	1,850	$	4,160	$	6,010	Q2 FY2016
2015 Contract Termination Charges	—	—		25		25		Q4 FY2015
Q3 2014 Plan	152	7,126		5,925		13,051		Q3 FY2015
Q2 2014 Plan	22	545		190		735		Q2 FY2015
Q1 2014 Plan	17	370		197		567		Q4 FY2014
2014 Contract Termination Charges	—	—		1,545		1,545		Q4 FY2015

We expect to make payments under the Previous Plans for remaining residual lease obligations, with terms varying in length, through fiscal year 2022.

At June 28, 2015, we had $20.8 million recorded for accrued restructuring and contract termination charges, of which $15.4 million was recorded in short-term accrued restructuring and contract termination charges and $5.4 million was recorded in long-term liabilities. At December 28, 2014, we had $23.8 million recorded for accrued restructuring and contract termination charges, of which $17.1 million was recorded in short-accrued restructuring and $6.7 million was recorded in long-term liabilities. The following table summarizes our restructuring and contract termination accrual balances and related activity by restructuring plan, as well as contract termination, during the six months ended June 28, 2015:

	Balance at December 28, 2014		2015 Charges		2015 Changes in Estimates, Net			2015 Amounts Paid			Balance at June 28, 2015
	(In thousands)
Severance:
Q2 2015 Plan	$	—	$	6,010	$	—		$	(600	)	$	5,410
Q3 2014 Plan	10,059		—		—			(5,050		)	5,009
Q2 2014 Plan	251		—		(179		)	(8		)	64
Q1 2014 Plan	92		—		(92		)	—			—
Previous Plans	13,124		—		(808		)	(2,199		)	10,117
Restructuring	23,526		6,010		(1,079		)	(7,857		)	20,600
Contract Termination	304		25		—			(141		)	188
Total Restructuring and Contract Termination	$	23,830	$	6,035	$	(1,079	)	$	(7,998	)	$	20,788

⁽¹⁾  During the six months ended June 28, 2015, we recognized pre-tax restructuring reversals of $0.1 million in each of our Human Health and Environmental Health segments related to lower than expected costs associated with workforce reductions for the Q2 2014 Plan.

⁽²⁾  During the six months ended June 28, 2015, we recognized a pre-tax restructuring reversal of $0.1 million in our Human Health segment related to lower than expected costs associated with workforce reductions for the Q1 2014 Plan.

⁽³⁾  During the six months ended June 28, 2015, we recognized a net additional pre-tax restructuring charge of $0.2 million in our Human Health segment primarily related to higher than expected costs associated with the closure of the excess facility space and a pre-tax restructuring reversal of $1.0 million in our Environmental Health segment related to lower than expected costs associated with workforce reductions for the Previous Plans.

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Interest and Other Expense, Net

Interest and other expense, net, consisted of the following:

	Three Months Ended						Six Months Ended
	June 28, 2015			June 29, 2014			June 28, 2015			June 29, 2014
	(In thousands)
Interest income	$	(132	)	$	(151	)	$	(341	)	$	(245	)
Interest expense	9,302			9,079			18,690			18,298
Other expense, net	1,673			36			1,915			2,200
Total interest and other expense, net	$	10,843		$	8,964		$	20,264		$	20,253

Interest and other expense, net, for the three months ended June 28, 2015 was an expense of $10.8 million, as compared to an expense of $9.0 million for the three months ended June 29, 2014, an increase of $1.9 million. The increase in interest and other expense, net, for the three months ended June 28, 2015, as compared to the three months ended June 29, 2014, was primarily due to an increase in other expense, net and consisted primarily of expenses related to foreign currency transactions and the translation of non-functional currency assets and liabilities.

Interest and other expense, net was an expense of $20.3 million for each of the the six months ended June 28, 2015 and June 29, 2014. Interest expense increased by $0.4 million for the six months ended June 28, 2015, as compared to the six months ended June 29, 2014, due to an increase in borrowings under our senior unsecured revolving credit facility. Other expense, net decreased by $0.3 million for the six months ended June 28, 2015, as compared to the six months ended June 29, 2014, and consisted primarily of expenses related to foreign currency transactions and the translation of non-functional currency assets and liabilities.

Provision for Income Taxes

For the three months ended June 28, 2015, the provision for income taxes from continuing operations was $8.3 million, as compared to $8.7 million for the three months ended June 29, 2014. For the six months ended June 28, 2015, the provision for income taxes from continuing operations was $15.9 million, as compared to $14.2 million for the six months ended June 29, 2014.

The effective tax rate from continuing operations was 14.5% and 15.1% for the three and six months ended June 28, 2015, respectively, as compared to 14.3% and 14.0% for the three and six months ended June 29, 2014, respectively. The higher effective tax rate during the first six months of fiscal year 2015, as compared to the first six months of fiscal year 2014, was primarily due to lower tax benefits related to discrete items during the first six months of fiscal year 2015, as compared to the first six months of fiscal year 2014.

Discontinued Operations

As part of our continuing efforts to focus on higher growth opportunities, we have discontinued certain businesses. We have accounted for these businesses as discontinued operations and, accordingly, have presented the results of operations and related cash flows as discontinued operations for all periods presented. Any remaining assets and liabilities of these businesses have been presented separately, and are reflected within assets and liabilities from discontinued operations in the accompanying condensed consolidated balance sheets as of June 28, 2015 and December 28, 2014.

In May 2014, our management approved the shutdown of our microarray-based diagnostic testing laboratory in the United States, which had been reported within our Human Health segment. We determined that, with the lack of adequate reimbursement from health care payers, our microarray-based diagnostic testing laboratory in the United States would need significant investment in its operations to reduce costs in order to effectively compete in the market. The shutdown of our microarray-based diagnostic testing laboratory in the United States resulted in a $0.3 million net pre-tax loss related to the disposal of fixed assets and inventory for the three months ended June 29, 2014.

During the first six months of each of fiscal years 2015 and 2014, we settled various commitments related to the divestiture of other discontinued operations. We recognized net pre-tax losses of $0.01 million and $0.02 million related to other discontinued operations for the three and six months ended June 28, 2015, respectively. We also recognized net pre-tax losses of $0.05 million and $0.1 million related to other discontinued operations for the three and six months ended June 29, 2014, respectively. These losses were recognized as a loss on disposition of discontinued operations.

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Summary pre-tax operating results of the discontinued operations, which include the periods prior to disposition and a $1.0 million pre-tax restructuring charge related to workforce reductions in our microarray-based diagnostic testing laboratory in the United States during the second quarter of fiscal year 2014, were as follows:

	Three Months Ended					Six Months Ended
	June 28, 2015		June 29, 2014			June 28, 2015			June 29, 2014
	(In thousands)
Sales	$	63	$	426		$	83		$	1,720
Costs and expenses	28		2,510			85			4,834
Gain (loss) from discontinued operations before income taxes	$	35	$	(2,084	)	$	(2	)	$	(3,114	)

We recorded a tax provision of $0.05 million and a tax benefit of $0.03 million on discontinued operations and dispositions for the three and six months ended June 28, 2015, respectively. We recorded tax benefits of $0.9 million and $1.2 million on discontinued operations and dispositions for the three and six months ended June 29, 2014, respectively.

Contingencies, Including Tax Matters

We are conducting a number of environmental investigations and remedial actions at our current and former locations and, along with other companies, have been named a potentially responsible party (“PRP”) for certain waste disposal sites. We accrue for environmental issues in the accounting period that our responsibility is established and when the cost can be reasonably estimated. We have accrued $12.1 million and $12.3 million as of June 28, 2015 and December 28, 2014, respectively, which represents our management’s estimate of the cost of the remediation of known environmental matters, and does not include any potential liability for related personal injury or property damage claims. Our environmental accrual is not discounted and does not reflect the recovery of any material amounts through insurance or indemnification arrangements. The cost estimates are subject to a number of variables, including the stage of the environmental investigations, the magnitude of the possible contamination, the nature of the potential remedies, possible joint and several liability, the time period over which remediation may occur, and the possible effects of changing laws and regulations. For sites where we have been named a PRP, our management does not currently anticipate any additional liability to result from the inability of other significant named parties to contribute. We expect that the majority of such accrued amounts could be paid out over a period of up to ten years. As assessment and remediation activities progress at each individual site, these liabilities are reviewed and adjusted to reflect additional information as it becomes available. There have been no environmental problems to date that have had, or are expected to have, a material adverse effect on our condensed consolidated financial statements. While it is possible that a loss exceeding the amounts recorded in the condensed consolidated financial statements may be incurred, the potential exposure is not expected to be materially different from those amounts recorded.

Various tax years after 2007 remain open to examination by certain jurisdictions in which we have significant business operations, such as China, Finland, Germany, Italy, Netherlands, Singapore, the United Kingdom and the United States. The tax years under examination vary by jurisdiction. We regularly review our tax positions in each significant taxing jurisdiction in the process of evaluating our unrecognized tax benefits. We make adjustments to our unrecognized tax benefits when: (i) facts and circumstances regarding a tax position change, causing a change in management’s judgment regarding that tax position; (ii) a tax position is effectively settled with a tax authority; and/or (iii) the statute of limitations expires regarding a tax position.

We are subject to various claims, legal proceedings and investigations covering a wide range of matters that arise in the ordinary course of our business activities. Although we have established accruals for potential losses that we believe are probable and reasonably estimable, in our opinion, based on our review of the information available at this time, the total cost of resolving these contingencies at June 28, 2015 should not have a material adverse effect on our condensed consolidated financial statements. However, each of these matters is subject to uncertainties, and it is possible that some of these matters may be resolved unfavorably to us.

Reporting Segment Results of Continuing Operations

Human Health

Revenue for the three months ended June 28, 2015 was $341.5 million, as compared to $342.5 million for the three months ended June 29, 2014, a decrease of $1.1 million, or 0.3%, which includes an approximate 6%decrease in revenue attributable to unfavorable changes in foreign exchange rates and a 0.5%increase in revenue attributable to acquisitions. The analysis in the remainder of this paragraph compares selected revenue by market and product type for the three months ended June 28, 2015, as compared to the three months ended June 29, 2014, and includes the effect of foreign exchange fluctuations and acquisitions. The decrease in revenue in our Human Health segment reflects a decrease in diagnostics market revenue of

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$4.2 million, which was partially offset by an increase in research market revenue of $3.1 million. As a result of adjustments to deferred revenue related to certain acquisitions required by business combination rules, we did not recognize $0.2 million of revenue in our Human Health segment for the three months ended June 28, 2015 and $0.4 million for the three months ended June 29, 2014 that otherwise would have been recorded by the acquired businesses during each of the respective periods. In our Human Health segment, we experienced growth during the second quarter of fiscal year 2015 in several of our products within our end markets, as compared to the second quarter of fiscal year 2014. In our diagnostics market we experienced growth from continued expansion of our newborn and infectious disease screening solutions in key regions outside the United States, particularly in emerging markets such as China, which was more than offset by the impact of unfavorable foreign currency. Birth rates in the United States continue to stabilize and demand for greater access to newborn screening in rural areas outside the United States is also increasing, as evidenced by prenatal trends we saw during the second quarter of fiscal year 2015. In our research market we experienced growth due to new product introductions, such as the Opera Phenix, as well as improved demand for our automation systems and our OneSource service offerings. Our OneSource business offers services designed to enable our customers to increase efficiencies and production time while reducing maintenance costs, all of which continue to be critical for our customers. Revenue from our medical imaging business declined during the second quarter of fiscal year 2015 due to a decrease in orders of our imaging detectors.

Revenue for the six months ended June 28, 2015 was $667.5 million, as compared to $672.6 million for the six months ended June 29, 2014, a decrease of $5.0 million, or 1%, which includes an approximate 6%decrease in revenue attributable to unfavorable changes in foreign exchange rates and an approximate 1%increase in revenue attributable to acquisitions. The analysis in the remainder of this paragraph compares selected revenue by market and product type for the six months ended June 28, 2015, as compared to the six months ended June 29, 2014, and includes the effect of foreign exchange fluctuations and acquisitions. The decrease in revenue in our Human Health segment reflects a decrease in diagnostics market revenue of $5.3 million, which was partially offset by an increase in research market revenue of $0.3 million. As a result of adjustments to deferred revenue related to certain acquisitions required by business combination rules, we did not recognize $0.5 million of revenue in our Human Health segment for the six months ended June 28, 2015 and $1.9 million for the six months ended June 29, 2014 that otherwise would have been recorded by the acquired businesses during each of the respective periods. In our diagnostics market we experienced growth from continued expansion of our newborn and infectious disease screening solutions in key regions outside the United States, particularly in emerging markets such as China, which was more than offset by the impact of unfavorable foreign currency. In our research market we experienced growth due to new product introductions, such as the Opera Phenix, as well as improved demand for our automation systems, radio-chemicals and our OneSource and informatics offerings. Revenue from our medical imaging business was flat for the six months ended June 28, 2015.

Operating income from continuing operations for the three months ended June 28, 2015 was $60.5 million, as compared to $57.9 million for the three months ended June 29, 2014, an increase of $2.6 million, or 5%. Amortization of intangible assets decreased and was $15.3 million for the three months ended June 28, 2015, as compared to $18.3 million for the three months ended June 29, 2014. Restructuring and contract termination charges, net, were $1.8 million for the three months ended June 28, 2015, as compared to $0.4 million for the three months ended June 29, 2014. Acquisition related costs for contingent consideration and other acquisition costs added an incremental expense of$0.2 million for the three months ended June 28, 2015, as compared to decreasing expenses by$0.7 million for the three months ended June 29, 2014. In addition to the above items, increased operating income for the three months ended June 28, 2015, as compared to the three months ended June 29, 2014, was primarily the result of lower costs related to cost containment and productivity initiatives, which was partially offset by unfavorable changes in product mix, with a decline in sales of higher gross margin product offerings and unfavorable impacts from foreign currency.

Operating income from continuing operations for the six months ended June 28, 2015 was $116.4 million, as compared to $101.9 million for the six months ended June 29, 2014, an increase of $14.5 million, or 14%. Amortization of intangible assets decreased and was $30.7 million for the six months ended June 28, 2015, as compared to $36.3 million for the six months ended June 29, 2014. Restructuring and contract termination charges, net, were $1.8 million for the six months ended June 28, 2015, as compared to $0.9 million for the six months ended June 29, 2014. Acquisition related costs for contingent consideration and other acquisition costs added an incremental expense of$0.3 million for the six months ended June 28, 2015, as compared to decreasing expenses by$0.6 million for the six months ended June 29, 2014. In addition to the above items, increased operating income for the six months ended June 28, 2015, as compared to the six months ended June 29, 2014, was primarily the result of favorable changes in product mix, with an increase in sales of higher gross margin product offerings, and lower costs related to cost containment and productivity initiatives, which was partially offset by unfavorable impacts from foreign currency.

Environmental Health

Revenue for the three months ended June 28, 2015 was $222.4 million, as compared to $213.6 million for the three months ended June 29, 2014, an increase of $8.8 million, or 4%, which includes an approximate 8%decrease in revenue

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attributable to unfavorable changes in foreign exchange rates and an approximate 9%increase in revenue attributable to acquisitions. The analysis in the remainder of this paragraph compares selected revenue by market and product type for the three months ended June 28, 2015, as compared to the three months ended June 29, 2014, and includes the effect of foreign exchange fluctuations and acquisitions. The increase in revenue in our Environmental Health segment reflects an increase in our environmental and industrial revenue of $12.7 million, which was partially offset by a decrease in laboratory services market revenue of $3.9 million. The increase in our Environmental Health segment revenue during the three months ended June 28, 2015 as compared to the three months ended June 29, 2014 was primarily due to revenue from the acquisition of Perten, as well as increased demand for environmental and food applications, which was partially offset by unfavorable impacts from foreign currency. In addition, we had an increased demand in our laboratory services business, despite a decrease in revenue due to unfavorable impacts from foreign currency.

Revenue for the six months ended June 28, 2015 was $423.3 million, as compared to $414.2 million for the six months ended June 29, 2014, an increase of $9.1 million, or 2%, which includes an approximate 8%decrease in revenue attributable to unfavorable changes in foreign exchange rates and an approximate 8%increase in revenue attributable to acquisitions. The analysis in the remainder of this paragraph compares selected revenue by market and product type for the six months ended June 28, 2015, as compared to the six months ended June 29, 2014, and includes the effect of foreign exchange fluctuations and acquisitions. The increase in revenue in our Environmental Health segment reflects an increase in environmental and industrial markets revenue of $16.5 million, partially offset by a decrease in laboratory services market revenue of $7.5 million. The increase in our Environmental Health segment revenue during the six months ended June 28, 2015 was primarily due to revenue from the acquisition of Perten, as well as growth in our materials characterization product family within our environmental and industrial markets, which was partially offset by unfavorable impacts from foreign currency. In addition, we had an increased demand in our laboratory services business, despite a decrease in revenue due to unfavorable impacts from foreign currency.

Operating income from continuing operations for the three months ended June 28, 2015 was $19.4 million, as compared to $25.6 million for the three months ended June 29, 2014, a decrease of $6.2 million, or 24%. Amortization of intangible assets increased and was $4.6 million for the three months ended June 28, 2015, as compared to $2.3 million for the three months ended June 29, 2014. Restructuring and contract termination charges, net, were $3.1 million for the three months ended June 28, 2015, as compared to $0.4 million for the three months ended June 29, 2014. Acquisition related costs for the reversal of contingent consideration and other acquisition costs added an incremental expense of$0.1 million for the three months ended June 28, 2015, as compared to decreasing expenses by$0.8 million for the three months ended June 29, 2014. The amortization of purchase accounting adjustments to record the inventory from certain acquisitions was $1.6 million for the three months ended June 28, 2015. In addition to the above items, operating income decreased for the three months ended June 28, 2015, as compared to the three months ended June 29, 2014, due to increased costs related to investments in new product development and unfavorable impacts from foreign currency, which was partially offset by favorable changes in product mix, with an increase in sales of higher gross margin product offerings, early benefits from our initiatives to improve our supply chain, and lower costs related to cost containment initiatives.

Operating income from continuing operations for the six months ended June 28, 2015 was $30.8 million, as compared to $47.2 million for the six months ended June 29, 2014, a decrease of $16.4 million, or 35%. Amortization of intangible assets increased and was $8.9 million for the six months ended June 28, 2015, as compared to $5.0 million for the six months ended June 29, 2014. Restructuring and contract termination charges, net, were $3.1 million for the six months ended June 28, 2015, as compared to $2.0 million for the six months ended June 29, 2014. Acquisition related costs for the reversal of contingent consideration and other acquisition costs added an incremental expense of$0.2 million for the six months ended June 28, 2015, as compared to decreasing expenses by$0.7 million for the six months ended June 29, 2014. The amortization of purchase accounting adjustments to record the inventory from certain acquisitions was $6.5 million for the six months ended June 28, 2015. In addition to the above items, decreased operating income for the six months ended June 28, 2015, as compared to the six months ended June 29, 2014, was primarily due to increased costs related to investments in new product development and unfavorable impacts from foreign currency, which was partially offset by favorable changes in product mix, with an increase in sales of higher gross margin product offerings, early benefits from our initiatives to improve our supply chain, and lower costs related to cost containment initiatives.

Liquidity and Capital Resources

We require cash to pay our operating expenses, make capital expenditures, make strategic acquisitions, service our debt and other long-term liabilities, repurchase shares of our common stock and pay dividends on our common stock. Our principal sources of funds are from our operations and the capital markets, particularly the debt markets. We anticipate that our internal operations will generate sufficient cash to fund our operating expenses, capital expenditures, smaller acquisitions, interest payments on our debt and dividends on our common stock. However, we expect to use external sources to satisfy the balance of

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our debt when due, any larger acquisitions and other long-term liabilities, such as contributions to our postretirement benefit plans.

Principal factors that could affect the availability of our internally generated funds include:

• changes in sales due to weakness in markets in which we sell our products and services, and

• changes in our working capital requirements.

Principal factors that could affect our ability to obtain cash from external sources include:

• financial covenants contained in the financial instruments controlling our borrowings that limit our total borrowing capacity,

• increases in interest rates applicable to our outstanding variable rate debt,

• a ratings downgrade that could limit the amount we can borrow under our senior unsecured revolving credit facility and our overall access to the corporate debt market,

• increases in interest rates or credit spreads, as well as limitations on the availability of credit, that affect our ability to borrow under future potential facilities on a secured or unsecured basis,

• a decrease in the market price for our common stock, and

• volatility in the public debt and equity markets.

At June 28, 2015, we had cash and cash equivalents of $192.2 million, of which $175.9 million was held by our non-U.S. subsidiaries, and we had $236.8 million of additional borrowing capacity available under a senior unsecured revolving credit facility. We had no other liquid investments at June 28, 2015.

We utilize a variety of tax planning and financing strategies to ensure that our worldwide cash is available in the locations in which it is needed. Of the $175.9 million of cash and cash equivalents held by our non-U.S. subsidiaries at June 28, 2015, we would incur U.S. taxes on approximately $67.8 million if transferred to the U.S. without proper planning. We expect the accumulated non-U.S. cash balances, which may not be transferred to the U.S. without incurring U.S. taxes, will remain outside of the U.S. and that we will meet U.S. liquidity needs through future cash flows, use of U.S. cash balances, external borrowings, or some combination of these sources.

On October 23, 2014, our Board of Directors (our "Board") authorized us to repurchase up to 8.0 million shares of common stock under a stock repurchase program (the "Repurchase Program"). The Repurchase Program will expire on October 23, 2016 unless terminated earlier by our Board, and may be suspended or discontinued at any time. During the six months ended June 28, 2015, we did not repurchase any shares of common stock in the open market under the Repurchase Program. As of June 28, 2015, 7.4 million shares remained available for repurchase under the Repurchase Program.

In addition, our Board has authorized us to repurchase shares of common stock to satisfy minimum statutory tax withholding obligations in connection with the vesting of restricted stock awards and restricted stock unit awards granted pursuant to our equity incentive plans and to satisfy obligations related to the exercise of stock options made pursuant to our equity incentive plans. During the six months ended June 28, 2015, we repurchased 88,456 shares of common stock for this purpose at an aggregate cost of $4.1 million.

The repurchased shares have been reflected as additional authorized but unissued shares, with the payments reflected in common stock and capital in excess of par value. Any repurchased shares will be available for use in connection with corporate programs. If we continue to repurchase shares, the Repurchase Program will be funded using our existing financial resources, including cash and cash equivalents, and our existing senior unsecured revolving credit facility.

Distressed global financial markets could adversely impact general economic conditions by reducing liquidity and credit availability, creating increased volatility in security prices, widening credit spreads and decreasing valuations of certain investments. The widening of credit spreads may create a less favorable environment for certain of our businesses and may affect the fair value of financial instruments that we issue or hold. Increases in credit spreads, as well as limitations on the availability of credit at rates we consider to be reasonable, could affect our ability to borrow under future potential facilities on a secured or unsecured basis, which may adversely affect our liquidity and results of operations. In difficult global financial markets, we may be forced to fund our operations at a higher cost, or we may be unable to raise as much funding as we need to support our business activities.

During the first six months of fiscal year 2015, we contributed $20.0 million, in the aggregate, to our defined benefit pension plan in the United States. During the first six months of fiscal year 2015, we contributed $5.7 million, in the aggregate, to our defined benefit pension plans outside of the United States, and expect to contribute an additional $1.7 million by the end

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of fiscal year 2015. We could potentially have to make additional funding payments in future periods for all pension plans. We expect to use existing cash and external sources to satisfy future contributions to our pension plans. In the third quarter of fiscal year 2014, we notified certain employees of our intention to terminate their employment as part of the Q3 2014 restructuring plan. During the second quarter of fiscal year 2015, the termination of these participants decreased the expected future service lives in excess of the curtailment limit for one of our pension plans, which resulted in a curtailment gain. We recorded the curtailment gain of $0.8 million during the second quarter of fiscal year 2015. As part of the curtailment, we remeasured the assets and liabilities of the plan that had the curtailment based upon current discount rates and the fair value of the pension plan's assets as of the curtailment date, which resulted in an actuarial loss of $0.8 million.

Our pension plans have not experienced a material impact on liquidity or counterparty exposure due to the volatility and uncertainty in the credit markets. We recognize actuarial gains and losses in operating results in the fourth quarter of the year in which the gains and losses occur, unless there is an interim remeasurement required for one of our plans. It is difficult to reliably predict the magnitude of such adjustments for gains and losses in fiscal year 2015. These adjustments are primarily driven by events and circumstances beyond our control, including changes in interest rates, the performance of the financial markets and mortality assumptions. To the extent the discount rates decrease or the value of our pension and postretirement investments decrease, a loss to operations will be recorded in fiscal year 2015. Conversely, to the extent the discount rates increase or the value of our pension and postretirement investments increase more than expected, a gain will be recorded in fiscal year 2015.

Cash Flows

Operating Activities. Net cash provided by continuing operations was $101.2 million for the six months ended June 28, 2015, as compared to net cash provided by continuing operations of $122.6 million for the six months ended June 29, 2014, a decrease in cash provided of $21.4 million. The cash provided by operating activities for the six months ended June 28, 2015 was principally a result of income from continuing operations of $89.3 million, depreciation and amortization of $56.6 million, stock-based compensation expense of $8.2 million and restructuring and contract termination charges of $5.0 million. These items were partially offset by a net cash decrease in accrued expenses, other assets and liabilities and other items of $53.9 million and a net cash decrease in working capital of $4.0 million. Contributing to the net cash decrease in working capital for the six months ended June 28, 2015, excluding the effect of foreign exchange rate fluctuations, was an increase in inventory of $33.3 million and a decrease in accounts payable of $1.5 million, which were partially offset by a decrease in accounts receivable of $30.8 million. The increase in inventory overall was primarily a result of expanding the amount of inventory held at sales locations within our Environmental Health and Human Health segments to improve responsiveness to customer requirements and for the introduction of new products. The decrease in accounts payable was primarily a result of the timing of disbursements during the first six months of fiscal year 2015. The decrease in accounts receivable was a result of strong performance in accounts receivable collections during the first six months of fiscal year 2015. Changes in accrued expenses, other assets and liabilities and other items decreased cash provided by operating activities by $53.9 million for the six months ended June 28, 2015, as compared to $30.3 million for the six months ended June 29, 2014. These changes primarily related to the timing of payments for taxes, restructuring, and salary and benefits. During the six months ended June 28, 2015, we made contributions of $5.7 million, in the aggregate, to pension plans outside of the United States and $20.0 million to our defined benefit pension plan in the United States, which was included in accrued expenses.

Investing Activities. Net cash used in the investing activities of our continuing operations was $28.8 million for the six months ended June 28, 2015, as compared to $14.4 million for the six months ended June 29, 2014, an increase of $14.4 million. For the six months ended June 28, 2015, the net cash used in investing activities of our continuing operations was principally a result of $18.7 million of cash used for acquisitions and investments and capital expenditures of $10.1 million. Net cash used for capital expenditures was $14.4 million for the six months ended June 29, 2014. The capital expenditures in each period were primarily for manufacturing and other capital equipment purchases. In addition, during the six months ended June 29, 2014, we received $0.4 million for the settlement of life insurance policies and used $0.4 million in cash for acquisitions and investments.

Financing Activities. Net cash used in financing activities was $48.4 million for the six months ended June 28, 2015, as compared to $76.7 million for the six months ended June 29, 2014, a decrease of $28.3 million. For the six months ended June 28, 2015, we repurchased 88,456 shares of our common stock pursuant to our equity incentive plans, for a total cost of $4.1 million, including commissions. This compares to repurchases of 0.8 million shares of our common stock, including 97,174 shares of our common stock pursuant to our equity incentive plans, for the six months ended June 29, 2014, for a total cost of $39.0 million, including commissions. Proceeds from the issuance of common stock under stock plans was $12.7 million for the six months ended June 28, 2015 as compared to proceeds from the issuance of common stock under stock plans of $19.5 million for the six months ended June 29, 2014. During the six months ended June 28, 2015, debt payments on our senior unsecured revolving credit facility totaled $249.0 million, which were partially offset by debt borrowings of $184.0 million. During the six months ended June 29, 2014, debt payments on our senior unsecured revolving credit facility totaled

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$232.0 million, which were partially offset by debt borrowings of $193.0 million. We paid $15.8 million in dividends during each of the six months ended June 28, 2015 and June 29, 2014. During the six months ended June 28, 2015, we had net receipts on other credit facilities of $0.3 million, as compared to net payments on other credit facilities of $0.5 million for the six months ended June 29, 2014. During the six months ended June 28, 2015, we received $23.5 million for settlement of forward foreign exchange contracts. During the six months ended June 29, 2014, we paid $1.8 million of debt financing costs for the refinancing of our debt held under the previous senior unsecured revolving credit facility.

Borrowing Arrangements

Senior Unsecured Revolving Credit Facility. On January 8, 2014, we refinanced our debt held under a previous senior unsecured revolving credit facility and entered into a new senior unsecured revolving credit facility. The senior unsecured revolving credit facility provides for $700.0 million of revolving loans and has an initial maturity of January 8, 2019. As of June 28, 2015, undrawn letters of credit in the aggregate amount of $12.2 million were treated as issued and outstanding under the senior unsecured revolving credit facility. As of June 28, 2015, we had $236.8 million available for additional borrowing under the facility. We use the senior unsecured revolving credit facility for general corporate purposes, which may include working capital, refinancing existing indebtedness, capital expenditures, share repurchases, acquisitions and strategic alliances. The interest rates under the senior unsecured revolving credit facility are based on the Eurocurrency rate or the base rate at the time of borrowing, plus a margin. The base rate is the higher of (i) the rate of interest in effect for such day as publicly announced from time to time by JP Morgan Chase Bank, N.A. as its "prime rate," (ii) the Federal Funds rate plus 50 basis points or (iii) one-month Libor plus 1.00%. At June 28, 2015, borrowings under the senior unsecured revolving credit facility were accruing interest primarily based on the Eurocurrency rate. The Eurocurrency margin as of June 28, 2015 was 108 basis points. The weighted average Eurocurrency interest rate as of June 28, 2015 was 0.18%, resulting in a weighted average effective Eurocurrency rate, including the margin, of 1.26%. At June 28, 2015 and December 28, 2014, we had $451.0 million and $516.0 million, respectively, of borrowings in U.S. dollars outstanding under the senior unsecured revolving credit facility. The credit agreement for the facility contains affirmative, negative and financial covenants and events of default similar to those contained in the credit agreement for our previous facility. The financial covenants in our senior unsecured revolving credit facility include a debt-to-capital ratio, and two contingent covenants, a maximum consolidated leverage ratio and a minimum consolidated interest coverage ratio, applicable if our credit rating is downgraded below investment grade. We were in compliance with all applicable covenants as of June 28, 2015.

5% Senior Unsecured Notes due in 2021. On October 25, 2011, we issued $500.0 million aggregate principal amount of senior unsecured notes due in 2021 (the "2021 Notes") in a registered public offering and received $496.9 million of net proceeds from the issuance. The 2021 Notes were issued at 99.372% of the principal amount, which resulted in a discount of $3.1 million. As of June 28, 2015, the 2021 Notes had an aggregate carrying value of $497.8 million, net of $2.2 million of unamortized original issue discount. As of December 28, 2014, the 2021 Notes had an aggregate carrying value of $497.7 million, net of $2.3 million of unamortized original issue discount. The 2021 Notes mature in November 2021 and bear interest at an annual rate of 5%. Interest on the 2021 Notes is payable semi-annually on May 15th and November 15th each year. Prior to August 15, 2021 (three months prior to their maturity date), we may redeem the 2021 Notes in whole or in part, at our option, at a redemption price equal to the greater of (i) 100% of the principal amount of the 2021 Notes to be redeemed, plus accrued and unpaid interest, or (ii) the sum of the present values of the remaining scheduled payments of principal and interest in respect to the 2021 Notes being redeemed, discounted on a semi-annual basis, at the Treasury Rate plus 45 basis points, plus accrued and unpaid interest. At any time on or after August 15, 2021 (three months prior to their maturity date), we may redeem the 2021 Notes, at our option, at a redemption price equal to 100% of the principal amount of the 2021 Notes to be redeemed plus accrued and unpaid interest. Upon a change of control (as defined in the indenture governing the 2021 Notes) and a contemporaneous downgrade of the 2021 Notes below investment grade, each holder of 2021 Notes will have the right to require us to repurchase such holder's 2021 Notes for 101% of their principal amount, plus accrued and unpaid interest. We were in compliance with all applicable covenants as of June 28, 2015.

Financing Lease Obligations. In fiscal year 2012, we entered into agreements with the lessors of certain buildings that we are currently occupying and leasing to expand those buildings. We provided a portion of the funds needed for the construction of the additions to the buildings, and as a result we were considered the owner of the buildings during the construction period. At the end of the construction period, we were not reimbursed by the lessors for all of the construction costs. We are therefore deemed to have continuing involvement and the leases qualify as financing leases under sale-leaseback accounting guidance, representing debt obligations for us and non-cash investing and financing activities. As a result, we capitalized $29.3 million in property and equipment, net, representing the fair value of the buildings with a corresponding increase to debt. We have also capitalized $11.5 million in additional construction costs necessary to complete the renovations to the buildings, which were funded by the lessors, with a corresponding increase to debt. At June 28, 2015, we had $38.7 million recorded for these financing lease obligations, of which $1.1 million was recorded as short-term debt and $37.6 million was recorded as long-term debt. At December 28, 2014, we had $39.3 million recorded for these financing lease obligations, of which $1.1 million was recorded as short-term debt and $38.2 million was recorded as long-term debt. The buildings are being depreciated on a

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straight-line basis over the terms of the leases to their estimated residual values, which will equal the remaining financing obligation at the end of the lease term. At the end of the lease term, the remaining balances in property, plant and equipment, net and debt will be reversed against each other.

Other Short-term Obligations. At June 28, 2015, we had $0.9 million of borrowings under other short-term obligation arrangements, which were settled during the third quarter of fiscal year 2015.

Dividends

Our Board declared a regular quarterly cash dividend of $0.07 per share for each of the first two quarters of fiscal year 2015 and for each quarter of fiscal year 2014. At June 28, 2015, we had accrued $7.9 million for dividends declared on April 27, 2015 for the second quarter of fiscal year 2015, payable in August 2015. On July 22, 2015, we announced that our Board had declared a quarterly dividend of $0.07 per share for the third quarter of fiscal year 2015 that will be payable in November 2015. In the future, our Board may determine to reduce or eliminate our common stock dividend in order to fund investments for growth, repurchase shares or conserve capital resources.

Effects of Recently Adopted and Issued Accounting Pronouncements

From time to time, new accounting pronouncements are issued by the Financial Accounting Standards Board and are adopted by us as of the specified effective dates. Unless otherwise discussed, such pronouncements did not have or will not have a significant impact on our condensed consolidated financial position, results of operations and cash flows or do not apply to our operations.

In May 2014, the Financial Accounting Standards Board issued Accounting Standards Update No. 2014-09, Revenue from Contracts with Customers. Under this new guidance, an entity should use a five-step process to recognize revenue, which depicts the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. The standard also requires new disclosures regarding the nature, amount, timing and uncertainty of revenue and cash flows arising from contracts with customers. The initial provisions of this guidance are effective for interim and annual periods beginning after December 15, 2016. Subsequent to the issuance of the standard, the Financial Accounting Standards Board decided to defer the effective date for one year to annual periods beginning after December 15, 2017, with early adoption permitted for annual periods beginning after December 15, 2016. We are evaluating the requirements of this guidance and have not yet determined the impact of its adoption on our consolidated financial position, results of operations and cash flows.

In April 2015, the Financial Accounting Standards Board issued Accounting Standards Update No. 2015-04, Practical Expedient for the Measurement Date of an Employer’s Defined Benefit Obligation and Plan Assets. Under this new guidance, an entity with a fiscal year-end that does not coincide with a calendar month-end (for example an entity that has a 52/53 week fiscal year) has the ability, as a practical expedient, to measure its defined benefit retirement obligations and related plan assets as of the month-end that is closest to its fiscal year end. During the second quarter of fiscal year 2015, the Company early adopted the new guidance. The adoption did not have a material impact on the Company's consolidated financial position, results of operations and cash flows.

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Item 3. Quantitative and Qualitative Disclosures About Market Risk

Market Risk. We are exposed to market risk, including changes in interest rates and currency exchange rates. To manage the volatility relating to these exposures, we enter into various derivative transactions pursuant to our policies to hedge against known or forecasted market exposures. We briefly describe several of the market risks we face below. The following disclosure is not materially different from the disclosure provided under the heading, Item 7A. “Quantitative and Qualitative Disclosure About Market Risk,” in our 2014 Form 10-K.

Foreign Currency Exchange Risk. The potential change in foreign currency exchange rates offers a substantial risk to us, as approximately 60% of our business is conducted outside of the United States, generally in foreign currencies. Our risk management strategy currently uses forward contracts to mitigate certain balance sheet foreign currency transaction exposures. The intent of these economic hedges is to offset gains and losses that occur on the underlying exposures, with gains and losses resulting from the forward contracts that hedge these exposures. Moreover, we are able to partially mitigate the impact that fluctuations in currencies have on our net income as a result of our manufacturing facilities located in countries outside the United States, material sourcing and other spending which occur in countries outside the United States, resulting in natural hedges.

We do not enter into derivative contracts for trading or other speculative purposes, nor do we use leveraged financial instruments. Although we attempt to manage our foreign currency exchange risk through the above activities, when the U.S. dollar weakens against other currencies in which we transact business, sales and net income generally will be positively but not proportionately impacted. Conversely, when the U.S. dollar strengthens against other currencies in which we transact business, sales and net income will generally be negatively but not proportionately impacted.

In the ordinary course of business, we enter into foreign exchange contracts for periods consistent with our committed exposures to mitigate the effect of foreign currency movements on transactions denominated in foreign currencies. Transactions covered by hedge contracts include intercompany and third-party receivables and payables. The contracts are primarily in European and Asian currencies, have maturities that do not exceed 12 months, have no cash requirements until maturity, and are recorded at fair value on our condensed consolidated balance sheets. The unrealized gains and losses on our foreign currency contracts are recognized immediately in earnings, included in interest and other expense, net. The cash flows related to the settlement of these hedges are included in cash flows from operating activities within our condensed consolidated statement of cash flows.

Principal hedged currencies include the British Pound, Euro, Japanese Yen and Singapore Dollar. We held forward foreign exchange contracts, designated as economic hedges, with U.S. dollar equivalent notional amounts totaling $101.6 million, $95.0 million and $109.7 million at June 28, 2015, December 28, 2014 and June 29, 2014, respectively, and the fair value of these foreign currency derivative contracts was insignificant. The gains and losses realized on these foreign currency derivative contracts are not material. The duration of these contracts was generally 30 days or less during each of the six months ended June 28, 2015 and June 29, 2014.

In addition, in connection with certain intercompany loan agreements we enter into forward foreign exchange contracts intended to hedge movements in foreign exchange rates prior to settlement of such intercompany loans denominated in foreign currencies. We record these hedges at fair value on our condensed consolidated balance sheets. The unrealized gains and losses on these hedges, as well as the gains and losses associated with the remeasurement of the intercompany loans, are recognized immediately in earnings, included in interest and other expense, net. The cash flows related to the settlement of these hedges are included in cash flows from financing activities within our condensed consolidated statement of cash flows.

During the six months ended June 28, 2015, we settled several of these forward exchange contracts and entered into three new contracts that will settle in fiscal year 2015. The combined Euro denominated notional amounts of these outstanding hedges was €156.1 million and €238.2 million as of June 28, 2015 and December 28, 2014, respectively. The net gains and losses on these derivatives, combined with the gains and losses on the remeasurement of the hedged intercompany loans were not material for the six months ending June 28, 2015. We received $23.5 million as a result of the settlement of these hedges in the six months ended June 28, 2015.

Foreign Currency Exchange Risk—Value-at-Risk Disclosure. We continue to measure foreign currency risk using the Value-at-Risk model described in Item 7A. “Quantitative and Qualitative Disclosure About Market Risk,” in our 2014 Form 10-K. The measures for our Value-at-Risk analysis have not changed materially.

Interest Rate Risk. As described above, our debt portfolio includes variable rate instruments. Fluctuations in interest rates can therefore have a direct impact on both our short-term cash flows, as they relate to interest, and our earnings. To manage the volatility relating to these exposures, we periodically enter into various derivative transactions pursuant to our policies to hedge against known or forecasted interest rate exposures.

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Interest Rate Risk—Sensitivity. Our 2014 Form 10-K presents sensitivity measures for our interest rate risk. The measures for our sensitivity analysis have not changed materially. More information is available in Item 7A. “Quantitative and Qualitative Disclosure About Market Risk,” in our 2014 Form 10-K for our sensitivity disclosure.

Item 4. Controls and Procedures

Our management, with the participation of our Chief Executive Officer and Chief Financial Officer, evaluated the effectiveness of our disclosure controls and procedures as of the end of our fiscal quarter ended June 28, 2015. The term “disclosure controls and procedures” as defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), means controls and other procedures of a company that are designed to ensure that information required to be disclosed by a company in the reports that it files or submits under the Exchange Act is recorded, processed, summarized and reported, within the time periods specified in the Securities and Exchange Commission’s rules and forms. Disclosure controls and procedures include, without limitation, controls and procedures designed to ensure that information required to be disclosed by a company in the reports that it files or submits under the Exchange Act is accumulated and communicated to the company’s management, including its principal executive and principal financial officers, as appropriate to allow timely decisions regarding required disclosure. Management recognizes that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving their objectives and management necessarily applies its judgment in evaluating the cost-benefit relationship of possible controls and procedures. Based on the evaluation of our disclosure controls and procedures as of the end of our fiscal quarter ended June 28, 2015, our Chief Executive Officer and Chief Financial Officer concluded that, as of such date, our disclosure controls and procedures were effective at the reasonable assurance level.

No change in our internal control over financial reporting (as defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act) occurred during the fiscal quarter ended June 28, 2015 that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

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PART II. OTHER INFORMATION

Item 1. Legal Proceedings

We are subject to various claims, legal proceedings and investigations covering a wide range of matters that arise in the ordinary course of our business activities. Although we have established accruals for potential losses that we believe are probable and reasonably estimable, in the opinion of our management, based on its review of the information available at this time, the total cost of resolving these contingencies at June 28, 2015 should not have a material adverse effect on our condensed consolidated financial statements. However, each of these matters is subject to uncertainties, and it is possible that some of these matters may be resolved unfavorably to us.

Item 1A. Risk Factors

The following important factors affect our business and operations generally or affect multiple segments of our business and operations:

If the markets into which we sell our products decline or do not grow as anticipated due to a decline in general economic conditions, or there are uncertainties surrounding the approval of government or industrial funding proposals, or there are unfavorable changes in government regulations, we may see an adverse effect on the results of our business operations.

Our customers include pharmaceutical and biotechnology companies, laboratories, academic and research institutions, public health authorities, private healthcare organizations, doctors and government agencies. Our quarterly revenue and results of operations are highly dependent on the volume and timing of orders received during the quarter. In addition, our revenues and earnings forecasts for future quarters are often based on the expected trends in our markets. However, the markets we serve do not always experience the trends that we may expect. Negative fluctuations in our customers’ markets, the inability of our customers to secure credit or funding, restrictions in capital expenditures, general economic conditions, cuts in government funding or unfavorable changes in government regulations would likely result in a reduction in demand for our products and services. In addition, government funding is subject to economic conditions and the political process, which is inherently fluid and unpredictable. Our revenues may be adversely affected if our customers delay or reduce purchases as a result of uncertainties surrounding the approval of government or industrial funding proposals. Such declines could harm our consolidated financial position, results of operations, cash flows and trading price of our common stock, and could limit our ability to sustain profitability.

Our growth is subject to global economic and political conditions, and operational disruptions at our facilities.

Our business is affected by global economic conditions and the state of the financial markets, particularly as the United States and other countries balance concerns around debt, inflation, growth and budget allocations in their policy initiatives. There can be no assurance that global economic conditions and financial markets will not worsen and that we will not experience any adverse effects that may be material to our consolidated cash flows, results of operations, financial position or our ability to access capital, such as the adverse effects resulting from a prolonged shutdown in government operations both in the United States and internationally. Our business is also affected by local economic environments, including inflation, recession, financial liquidity and currency volatility or devaluation. Political changes, some of which may be disruptive, could interfere with our supply chain, our customers and all of our activities in a particular location.

While we take precautions to prevent production or service interruptions at our global facilities, a major earthquake, fire, flood, power loss or other catastrophic event that results in the destruction or delay of any of our critical business operations could result in our incurring significant liability to customers or other third parties, cause significant reputational damage or have a material adverse effect on our business, operating results or financial condition.

Certain of these risks can be hedged to a limited degree using financial instruments, or other measures, and some of these risks are insurable, but any such mitigation efforts are costly and may not always be fully successful. Our ability to engage in such mitigation efforts has decreased or become even more costly as a result of recent market developments.

If we do not introduce new products in a timely manner, we may lose market share and be unable to achieve revenue growth targets.

We sell many of our products in industries characterized by rapid technological change, frequent new product and service introductions, and evolving customer needs and industry standards. Many of the businesses competing with us in these industries have significant financial and other resources to invest in new technologies, substantial intellectual property portfolios, substantial experience in new product development, regulatory expertise, manufacturing capabilities, and established distribution channels to deliver products to customers. Our products could become technologically obsolete over time, or we may invest in technology that does not lead to revenue growth or continue to sell products for which the demand from our

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customers is declining, in which case we may lose market share or not achieve our revenue growth targets. The success of our new product offerings will depend upon several factors, including our ability to:

• accurately anticipate customer needs,

• innovate and develop new reliable technologies and applications,

• successfully commercialize new technologies in a timely manner,

• price our products competitively, and manufacture and deliver our products in sufficient volumes and on time, and

• differentiate our offerings from our competitors’ offerings.

Many of our products are used by our customers to develop, test and manufacture their products. We must anticipate industry trends and consistently develop new products to meet our customers’ expectations. In developing new products, we may be required to make significant investments before we can determine the commercial viability of the new product. If we fail to accurately foresee our customers’ needs and future activities, we may invest heavily in research and development of products that do not lead to significant revenue. We may also suffer a loss in market share and potential revenue if we are unable to commercialize our technology in a timely and efficient manner.

In addition, some of our licensed technology is subject to contractual restrictions, which may limit our ability to develop or commercialize products for some applications.

We may not be able to successfully execute acquisitions or license technologies, integrate acquired businesses or licensed technologies into our existing businesses, make acquired businesses or licensed technologies profitable, or successfully divest businesses.

We have in the past supplemented, and may in the future supplement, our internal growth by acquiring businesses and licensing technologies that complement or augment our existing product lines, such as our acquisition of Perten Instruments Group AB in the fourth quarter of fiscal year 2014. However, we may be unable to identify or complete promising acquisitions or license transactions for many reasons, such as:

• competition among buyers and licensees,

• the high valuations of businesses and technologies,

• the need for regulatory and other approval, and

• our inability to raise capital to fund these acquisitions.

Some of the businesses we acquire may be unprofitable or marginally profitable, or may increase the variability of our revenue recognition. Accordingly, the earnings or losses of acquired businesses may dilute our earnings. For these acquired businesses to achieve acceptable levels of profitability, we would have to improve their management, operations, products and market penetration. We may not be successful in this regard and may encounter other difficulties in integrating acquired businesses into our existing operations, such as incompatible management, information or other systems, cultural differences, loss of key personnel, unforeseen regulatory requirements, previously undisclosed liabilities or difficulties in predicting financial results. Additionally, if we are not successful in selling businesses we seek to divest, the activity of such businesses may dilute our earnings and we may not be able to achieve the expected benefits of such divestitures. As a result, our financial results may differ from our forecasts or the expectations of the investment community in a given quarter or over the long term.

To finance our acquisitions, we may have to raise additional funds, either through public or private financings. We may be unable to obtain such funds or may be able to do so only on terms unacceptable to us. We may also incur expenses related to completing acquisitions or licensing technologies, or in evaluating potential acquisitions or technologies, which may adversely impact our profitability.

We may not be successful in adequately protecting our intellectual property.

Patent and trade secret protection is important to us because developing new products, processes and technologies gives us a competitive advantage, although it is time-consuming and expensive. We own many United States and foreign patents and intend to apply for additional patents. Patent applications we file, however, may not result in issued patents or, if they do, the claims allowed in the patents may be narrower than what is needed to protect fully our products, processes and technologies. The expiration of our previously issued patents may cause us to lose a competitive advantage in certain of the products and services we provide. Similarly, applications to register our trademarks may not be granted in all countries in which they are filed. For our intellectual property that is protected by keeping it secret, such as trade secrets and know-how, we may not use adequate measures to protect this intellectual property.

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Third parties may also challenge the validity of our issued patents, may circumvent or “design around” our patents and patent applications, or may claim that our products, processes or technologies infringe their patents. In addition, third parties may assert that our product names infringe their trademarks. We may incur significant expense in legal proceedings to protect our intellectual property against infringement by third parties or to defend against claims of infringement by third parties. Claims by third parties in pending or future lawsuits could result in awards of substantial damages against us or court orders that could effectively prevent us from manufacturing, using, importing or selling our products in the United States or other countries.

If we are unable to renew our licenses or otherwise lose our licensed rights, we may have to stop selling products or we may lose competitive advantage.

We may not be able to renew our existing licenses, or licenses we may obtain in the future, on terms acceptable to us, or at all. If we lose the rights to a patented or other proprietary technology, we may need to stop selling products incorporating that technology and possibly other products, redesign our products or lose a competitive advantage. Potential competitors could in-license technologies that we fail to license and potentially erode our market share.

Our licenses typically subject us to various economic and commercialization obligations. If we fail to comply with these obligations, we could lose important rights under a license, such as the right to exclusivity in a market. In some cases, we could lose all rights under the license. In addition, rights granted under the license could be lost for reasons out of our control. For example, the licensor could lose patent protection for a number of reasons, including invalidity of the licensed patent, or a third-party could obtain a patent that curtails our freedom to operate under one or more licenses.

If we do not compete effectively, our business will be harmed.

We encounter aggressive competition from numerous competitors in many areas of our business. We may not be able to compete effectively with all of these competitors. To remain competitive, we must develop new products and periodically enhance our existing products. We anticipate that we may also have to adjust the prices of many of our products to stay competitive. In addition, new competitors, technologies or market trends may emerge to threaten or reduce the value of entire product lines.

Our quarterly operating results could be subject to significant fluctuation, and we may not be able to adjust our operations to effectively address changes we do not anticipate, which could increase the volatility of our stock price and potentially cause losses to our shareholders.

Given the nature of the markets in which we participate, we cannot reliably predict future revenue and profitability. Changes in competitive, market and economic conditions may require us to adjust our operations, and we may not be able to make those adjustments or make them quickly enough to adapt to changing conditions. A high proportion of our costs are fixed, due in part to our research and development and manufacturing costs. As a result, small declines in sales could disproportionately affect our operating results in a quarter. Factors that may affect our quarterly operating results include:

• demand for and market acceptance of our products,

• competitive pressures resulting in lower selling prices,

• changes in the level of economic activity in regions in which we do business,

• changes in general economic conditions or government funding,

• settlements of income tax audits,

• expenses incurred in connection with claims related to environmental conditions at locations where we conduct or formerly conducted operations,

• differing tax laws and changes in those laws, or changes in the countries in which we are subject to taxation,

• changes in our effective tax rate,

• changes in industries, such as pharmaceutical and biomedical,

• changes in the portions of our revenue represented by our various products and customers,

• our ability to introduce new products,

• our competitors’ announcement or introduction of new products, services or technological innovations,

• costs of raw materials, energy or supplies,

42

• changes in healthcare or other reimbursement rates paid by government agencies and other third parties for certain of our products and services,

• our ability to realize the benefit of ongoing productivity initiatives,

• changes in the volume or timing of product orders,

• fluctuation in the expense related to the mark-to-market adjustment on postretirement benefit plans,

• changes in our assumptions underlying future funding of pension obligations, and

• changes in assumptions used to determine contingent consideration in acquisitions.

A significant disruption in third-party package delivery and import/export services, or significant increases in prices for those services, could interfere with our ability to ship products, increase our costs and lower our profitability.

We ship a significant portion of our products to our customers through independent package delivery and import/export companies, including UPS and Federal Express in the United States; TNT, UPS and DHL in Europe; and UPS in Asia. We also ship our products through other carriers, including national trucking firms, overnight carrier services and the United States Postal Service. If one or more of the package delivery or import/export providers experiences a significant disruption in services or institutes a significant price increase, we may have to seek alternative providers and the delivery of our products could be prevented or delayed. Such events could cause us to incur increased shipping costs that could not be passed on to our customers, negatively impacting our profitability and our relationships with certain of our customers.

Disruptions in the supply of raw materials, certain key components and other goods from our limited or single source suppliers could have an adverse effect on the results of our business operations, and could damage our relationships with customers.

The production of our products requires a wide variety of raw materials, key components and other goods that are generally available from alternate sources of supply. However, certain critical raw materials, key components and other goods required for the production and sale of some of our principal products are available from limited or single sources of supply. We generally have multi-year contracts with no minimum purchase requirements with these suppliers, but those contracts may not fully protect us from a failure by certain suppliers to supply critical materials or from the delays inherent in being required to change suppliers and, in some cases, validate new raw materials. Such raw materials, key components and other goods can usually be obtained from alternative sources with the potential for an increase in price, decline in quality or delay in delivery. A prolonged inability to obtain certain raw materials, key components or other goods is possible and could have an adverse effect on our business operations, and could damage our relationships with customers.

We are subject to the rules of the Securities and Exchange Commission requiring disclosure as to whether certain materials known as conflict minerals (tantalum, tin, gold, tungsten and their derivatives), which may be contained in our products are mined from the Democratic Republic of the Congo and adjoining countries. As a result of these rules, we may incur additional costs in complying with the disclosure requirements and in satisfying those customers who require that the components used in our products be certified as conflict-free, and the potential lack of availability of these materials at competitive prices could increase our production costs.

The manufacture and sale of products and services may expose us to product liability claims for which we could have substantial liability.

We face an inherent business risk of exposure to product liability claims if our products, services or product candidates are alleged or found to have caused injury, damage or loss. We may in the future be unable to obtain insurance with adequate levels of coverage for potential liability on acceptable terms or claims of this nature may be excluded from coverage under the terms of any insurance policy that we can obtain. If we are unable to obtain such insurance or the amounts of any claims successfully brought against us substantially exceed our coverage, then our business could be adversely impacted.

If we fail to maintain satisfactory compliance with the regulations of the United States Food and Drug Administration and other governmental agencies in the United States and abroad, we may be forced to recall products and cease their manufacture and distribution, and we could be subject to civil, criminal or monetary penalties.

Our operations are subject to regulation by different state and federal government agencies in the United States and other countries, as well as to the standards established by international standards bodies. If we fail to comply with those regulations or standards, we could be subject to fines, penalties, criminal prosecution or other sanctions. Some of the products produced by our Human Health segment are subject to regulation by the United States Food and Drug Administration and similar foreign and domestic agencies. These regulations govern a wide variety of product activities, from design and development to labeling,

43

manufacturing, promotion, sales and distribution. If we fail to comply with those regulations or standards, we may have to recall products, cease their manufacture and distribution, and may be subject to fines or criminal prosecution.

We are also subject to a variety of laws, regulations and standards that govern, among other things, the importation and exportation of products, the handling, transportation and manufacture of toxic or hazardous substances, and our business practices in the United States and abroad such as anti-bribery, anti-corruption and competition laws. This requires that we devote substantial resources to maintaining our compliance with those laws, regulations and standards. A failure to do so could result in the imposition of civil, criminal or monetary penalties having a material adverse effect on our operations.

Changes in governmental regulations may reduce demand for our products or increase our expenses.

We compete in markets in which we or our customers must comply with federal, state, local and foreign regulations, such as environmental, health and safety, and food and drug regulations. We develop, configure and market our products to meet customer needs created by these regulations. Any significant change in these regulations could reduce demand for our products or increase our costs of producing these products.

The healthcare industry is highly regulated and if we fail to comply with its extensive system of laws and regulations, we could suffer fines and penalties or be required to make significant changes to our operations which could have a significant adverse effect on the results of our business operations.

The healthcare industry, including the genetic screening market, is subject to extensive and frequently changing international and United States federal, state and local laws and regulations. In addition, legislative provisions relating to healthcare fraud and abuse, patient privacy violations and misconduct involving government insurance programs provide federal enforcement personnel with substantial powers and remedies to pursue suspected violations. We believe that our business will continue to be subject to increasing regulation as the federal government continues to strengthen its position on healthcare matters, the scope and effect of which we cannot predict. If we fail to comply with applicable laws and regulations, we could suffer civil and criminal damages, fines and penalties, exclusion from participation in governmental healthcare programs, and the loss of various licenses, certificates and authorizations necessary to operate our business, as well as incur liabilities from third-party claims, all of which could have a significant adverse effect on our business.

Economic, political and other risks associated with foreign operations could adversely affect our international sales and profitability.

Because we sell our products worldwide, our businesses are subject to risks associated with doing business internationally. Our sales originating outside the United States represented the majority of our total revenue in the six months ended June 28, 2015. We anticipate that sales from international operations will continue to represent a substantial portion of our total revenue. In addition, many of our manufacturing facilities, employees and suppliers are located outside the United States. Accordingly, our future results of operations could be harmed by a variety of factors, including:

• changes in actual, or from projected, foreign currency exchange rates,

• changes in a country’s or region’s political or economic conditions, particularly in developing or emerging markets,

• longer payment cycles of foreign customers and timing of collections in foreign jurisdictions,

• embargoes, trade protection measures and import or export licensing requirements,

• policies in foreign countries benefiting domestic manufacturers or other policies detrimental to companies headquartered in the United States,

• differing tax laws and changes in those laws, or changes in the countries in which we are subject to tax,

• adverse income tax audit settlements or loss of previously negotiated tax incentives,

• differing business practices associated with foreign operations,

• difficulty in transferring cash between international operations and the United States,

• difficulty in staffing and managing widespread operations,

• differing labor laws and changes in those laws,

• differing protection of intellectual property and changes in that protection,

• increasing global enforcement of anti-bribery and anti-corruption laws, and

44

• differing regulatory requirements and changes in those requirements.

If we do not retain our key personnel, our ability to execute our business strategy will be limited.

Our success depends to a significant extent upon the continued service of our executive officers and key management and technical personnel, particularly our experienced engineers and scientists, and on our ability to continue to attract, retain, and motivate qualified personnel. The competition for these employees is intense. The loss of the services of key personnel could have a material adverse effect on our operating results. In addition, there could be a material adverse effect on us should the turnover rates for key personnel increase significantly or if we are unable to continue to attract qualified personnel. We do not maintain any key person life insurance policies on any of our officers or employees.

Our success also depends on our ability to execute leadership succession plans. The inability to successfully transition key management roles could have a material adverse effect on our operating results.

If we experience a significant disruption in, or breach in security of, our information technology systems, or if we fail to implement new systems, software and technologies successfully, our business could be adversely affected.

We rely on several centralized information technology systems throughout our company to develop, manufacture and provide products and services, keep financial records, process orders, manage inventory, process shipments to customers and operate other critical functions. Our information technology systems may be susceptible to damage, disruptions or shutdowns due to power outages, hardware failures, computer viruses, attacks by computer hackers, telecommunication failures, user errors, catastrophes or other unforeseen events. If we were to experience a prolonged system disruption in the information technology systems that involve our interactions with customers or suppliers, it could result in the loss of sales and customers and significant incremental costs, which could adversely affect our business. In addition, security breaches of our information technology systems could result in the misappropriation or unauthorized disclosure of confidential information belonging to us or to our employees, partners, customers or suppliers, which could result in our suffering significant financial or reputational damage.

We have a substantial amount of outstanding debt, which could impact our ability to obtain future financing and limit our ability to make other expenditures in the conduct of our business.

Our debt level and related debt service obligations could have negative consequences, including:

• requiring us to dedicate significant cash flow from operations to the payment of principal and interest on our debt, which reduces the funds we have available for other purposes, such as acquisitions and stock repurchases;

• reducing our flexibility in planning for or reacting to changes in our business and market conditions; and

• exposing us to interest rate risk since a portion of our debt obligations are at variable rates.

In addition, we may incur additional indebtedness in the future to meet future financing needs. If we add new debt, the risks described above could increase.

Restrictions in our senior unsecured revolving credit facility and other debt instruments may limit our activities.

Our senior unsecured revolving credit facility and our 2021 Notes include restrictive covenants that limit our ability to engage in activities that could otherwise benefit our company. These include restrictions on our ability and the ability of our subsidiaries to:

• pay dividends on, redeem or repurchase our capital stock,

• sell assets,

• incur obligations that restrict our subsidiaries’ ability to make dividend or other payments to us,

• guarantee or secure indebtedness,

• enter into transactions with affiliates, and

• consolidate, merge or transfer all, or substantially all, of our assets and the assets of our subsidiaries on a consolidated basis.

We are also required to meet specified financial ratios under the terms of certain of our existing debt instruments. Our ability to comply with these financial restrictions and covenants is dependent on our future performance, which is subject to prevailing economic conditions and other factors, including factors that are beyond our control, such as foreign exchange rates, interest rates, changes in technology and changes in the level of competition. In addition, if we are unable to maintain our

45

investment grade credit rating, our borrowing costs would increase and we would be subject to different and potentially more restrictive financial covenants under some of our existing debt instruments.

Any future indebtedness that we incur may include similar or more restrictive covenants. Our failure to comply with any of the restrictions in our senior unsecured revolving credit facility, our 2021 Notes or any future indebtedness may result in an event of default under those debt instruments, which could permit acceleration of the debt under those debt instruments, and require us to prepay that debt before its scheduled due date under certain circumstances.

Our results of operations will be adversely affected if we fail to realize the full value of our intangible assets.

As of June 28, 2015, our total assets included $2.7 billion of net intangible assets. Net intangible assets consist principally of goodwill associated with acquisitions and costs associated with securing patent rights, trademark rights, customer relationships, core technology and technology licenses, net of accumulated amortization. We test certain of these items—specifically all of those that are considered “non-amortizing”—at least annually for potential impairment by comparing the carrying value to the fair market value of the reporting unit to which they are assigned. All of our amortizing intangible assets are also evaluated for impairment should events occur that call into question the value of the intangible assets.

Adverse changes in our business, adverse changes in the assumptions used to determine the fair value of our reporting units, or the failure to grow our Human Health and Environmental Health segments may result in impairment of our intangible assets, which could adversely affect our results of operations.

Our share price will fluctuate.

Over the last several years, stock markets in general and our common stock in particular have experienced significant price and volume volatility. Both the market price and the daily trading volume of our common stock may continue to be subject to significant fluctuations due not only to general stock market conditions but also to a change in sentiment in the market regarding our operations and business prospects. In addition to the risk factors discussed above, the price and volume volatility of our common stock may be affected by:

• operating results that vary from our financial guidance or the expectations of securities analysts and investors,

• the financial performance of the major end markets that we target,

• the operating and securities price performance of companies that investors consider to be comparable to us,

• announcements of strategic developments, acquisitions and other material events by us or our competitors, and

• changes in global financial markets and global economies and general market conditions, such as interest or foreign exchange rates, commodity and equity prices and the value of financial assets.

Dividends on our common stock could be reduced or eliminated in the future.

On April 27, 2015, we announced that our Board had declared a quarterly dividend of $0.07 per share for the second quarter of fiscal year 2015 that will be payable in August 2015. On July 22, 2015, we announced that our Board had declared a quarterly dividend of $0.07 per share for the third quarter of fiscal year 2015 that will be payable in November 2015. In the future, our Board may determine to reduce or eliminate our common stock dividend in order to fund investments for growth, repurchase shares or conserve capital resources.

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Item 2. Unregistered Sales of Equity Securities and Use of Proceeds

Stock Repurchases

The following table provides information with respect to the shares of common stock repurchased by us for the periods indicated.

	Issuer Repurchases of Equity Securities
Period	Total Number of Shares Purchased(1)(2)	Average Price Paid Per Share		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs	Maximum Number of Shares that May Yet Be Purchased Under the Plans or Programs
March 30, 2015—April 26, 2015	591	$	51.17	—	7,400,000
April 27, 2015—May 24, 2015	1,574	$	51.78	—	7,400,000
May 25, 2015—June 28, 2015	552	$	52.13	—	7,400,000
Activity for quarter ended June 28, 2015	2,717	$	51.72	—	7,400,000

 ____________________

(1) On October 23, 2014, our Board authorized us to repurchase up to 8.0 million shares of common stock under a stock repurchase program (the "Repurchase Program"). The Repurchase Program will expire on October 23, 2016 unless terminated earlier by our Board, and may be suspended or discontinued at any time. During the second quarter of fiscal year 2015, we did not repurchase any shares of common stock in the open market under the Repurchase Program. As of June 28, 2015, 7.4 million shares remained available for repurchase under the Repurchase Program.

(2) Our Board has authorized us to repurchase shares of common stock to satisfy minimum statutory tax withholding obligations in connection with the vesting of restricted stock awards and restricted stock unit awards granted pursuant to our equity incentive plans and to satisfy obligations related to the exercise of stock options made pursuant to our equity incentive plans. During the second quarter of fiscal year 2015, we repurchased 2,717 shares of common stock for this purpose. The repurchased shares have been reflected as additional authorized but unissued shares, with the payments reflected in common stock and capital in excess of par value.

Item 6. Exhibits

Exhibit Number	Exhibit Name
31.1	Certification of Chief Executive Officer pursuant to Rule 13a-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2	Certification of Chief Financial Officer pursuant to Rule 13a-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1	Certification of Chief Executive Officer and Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101.INS	XBRL Instance Document.
101.SCH	XBRL Taxonomy Extension Schema Document.
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document.
101.DEF	XBRL Taxonomy Extension Definition Linkbase Document.
101.LAB	XBRL Taxonomy Extension Labels Linkbase Document.
101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document.

____________________________

Attached as Exhibit 101 to this report are the following formatted in XBRL (Extensible Business Reporting Language):

(i) Condensed Consolidated Statements of Operations for the three and six months ended June 28, 2015 and June 29, 2014, (ii) Condensed Consolidated Statements of Comprehensive Income for the three and six months ended June 28, 2015 and June 29, 2014, (iii) Condensed Consolidated Balance Sheets at June 28, 2015 and December 28, 2014, (iv) Condensed

47

Consolidated Statement of Cash Flows for the six months ended June 28, 2015 and June 29, 2014, and (v) Notes to Condensed Consolidated Financial Statements.

48

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

	PERKINELMER, INC.
August 4, 2015	By:	/s/    FRANK A. WILSON
		Frank A. Wilson Senior Vice President and Chief Financial Officer (Principal Financial Officer)

	PERKINELMER, INC.
August 4, 2015	By:	/s/    ANDREW OKUN
		Andrew Okun Vice President and Chief Accounting Officer (Principal Accounting Officer)

49

EXHIBIT INDEX

Exhibit Number	Exhibit Name
31.1	Certification of Chief Executive Officer pursuant to Rule 13a-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2	Certification of Chief Financial Officer pursuant to Rule 13a-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1	Certification of Chief Executive Officer and Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101.INS	XBRL Instance Document.
101.SCH	XBRL Taxonomy Extension Schema Document.
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document.
101.DEF	XBRL Taxonomy Extension Definition Linkbase Document.
101.LAB	XBRL Taxonomy Extension Labels Linkbase Document.
101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document.

____________________________

Attached as Exhibit 101 to this report are the following formatted in XBRL (Extensible Business Reporting Language):

(i) Condensed Consolidated Statements of Operations for the three and six months ended June 28, 2015 and June 29, 2014, (ii) Condensed Consolidated Statements of Comprehensive Income for the three and six months ended June 28, 2015 and June 29, 2014, (iii) Condensed Consolidated Balance Sheets at June 28, 2015 and December 28, 2014, (iv) Condensed Consolidated Statement of Cash Flows for the six months ended June 28, 2015 and June 29, 2014, and (v) Notes to Condensed Consolidated Financial Statements.

50

EX-31.1

EXHIBIT 31.1

CERTIFICATION

I, Robert F. Friel, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of PerkinElmer, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date:	August 4, 2015	/s/    ROBERT F. FRIEL
		Robert F. Friel Chairman, Chief Executive Officer and President

EX-31.2

EXHIBIT 31.2

CERTIFICATION

I, Frank A. Wilson, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of PerkinElmer, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date:	August 4, 2015	/s/    FRANK A. WILSON
		Frank A. Wilson Senior Vice President and Chief Financial Officer

EX-32.1

EXHIBIT 32.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report on Form 10-Q of PerkinElmer, Inc. (the “Company”) for the period ended June 28, 2015 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), the undersigned, Robert F. Friel, Chairman, Chief Executive Officer and President of the Company, and Frank A. Wilson, Senior Vice President and Chief Financial Officer of the Company, each hereby certifies, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1) Based on my knowledge, the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) Based on my knowledge, the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Dated:	August 4, 2015	/S/    ROBERT F. FRIEL
		Robert F. Friel Chairman, Chief Executive Officer and President
Dated:	August 4, 2015	/S/    FRANK A. WILSON
		Frank A. Wilson Senior Vice President and Chief Financial Officer

XML

Basis of Presentation Basis of Presentation (Details)	12 Months Ended
	Jan. 03, 2016	Dec. 28, 2014
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating Cycle		52
Scenario, Forecast [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating Cycle	53

XML

Stockholders' Equity (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended							6 Months Ended
	Oct. 04, 2015	Jun. 28, 2015	Mar. 29, 2015	Dec. 28, 2014	Sep. 28, 2014	Jun. 29, 2014	Mar. 30, 2014	Jun. 28, 2015	Oct. 23, 2014
Schedule of Shareholders' Equity [Line Items]
Stock repurchase program, number of shares authorized to be repurchased									8,000,000
Number of common stock repurchased in open market								0
Stock repurchase program, number of shares remained available for repurchase		7,400,000						7,400,000
Repurchased Common Shares For Activity Pursuant to Equity Incentive Plans								88,456
Aggregate Cost of Repurchased Common Shares for Activity Pursuant to Equity Incentive Plans								$ 4.1
Cash dividends (per share)		$ 0.07	$ 0.07	$ 0.07	$ 0.07	$ 0.07	$ 0.07
Dividends Payable, Amount		$ 7.9						$ 7.9
Subsequent Event [Member]
Schedule of Shareholders' Equity [Line Items]
Cash dividends (per share)	$ 0.07

XML

Inventories, Net (Details) - USD ($) $ in Thousands	Jun. 28, 2015	Dec. 28, 2014
Inventory Disclosure [Abstract]
Raw materials	$ 101,973	$ 96,169
Work in progress	21,895	18,783
Finished goods	180,886	170,505
Total inventories, net	$ 304,754	$ 285,457

XML

Contingencies (Details) $ in Millions	6 Months Ended
	Jun. 28, 2015 USD ($) years	Dec. 28, 2014 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Management's estimate of total cost of ultimate disposition | $	$ 12.1	$ 12.3
Number of years over which estimated environmental cost will be paid	10

XML

Stockholders' Equity (Components Of Accumulated Other Comprehensive Loss) (Details) - USD ($) $ in Thousands	Jun. 28, 2015	Dec. 28, 2014
Stockholders' Equity Note [Abstract]
Foreign currency translation adjustments, net of income taxes	$ 11,906	$ 23,332
Unrecognized losses and prior service costs, net of income taxes	1,575	1,575
Unrealized net losses on securities, net of income taxes	(170)	(107)
Accumulated other comprehensive loss	$ 13,311	$ 24,800

XML

Restructuring and Lease Charges, Net (Schedule of Restructuring Plan Activity) (Details) - USD ($) $ in Thousands		3 Months Ended				6 Months Ended	12 Months Ended
		Jun. 28, 2015	Sep. 28, 2014	Jun. 29, 2014	Mar. 30, 2014	Jun. 28, 2015	Dec. 28, 2014
Restructuring Reserve [Roll Forward]
Balance at beginning of period						$ 23,830
Restructuring and contract termination charges, net						6,035
Restructuring Reserve, Accrual Adjustment						(1,079)
Restructuring reserve Settled with Cash and Translation Adjustment						7,998
Balance at end of period		$ 20,788				20,788	$ 23,830
Employee Severance and Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Balance at beginning of period						23,526
Restructuring and contract termination charges, net						6,010
Restructuring Reserve, Accrual Adjustment						(1,079)
Restructuring reserve Settled with Cash and Translation Adjustment						7,857
Balance at end of period		20,600				20,600	23,526
Contract Termination [Member]
Restructuring Reserve [Roll Forward]
Balance at beginning of period						304
Restructuring and contract termination charges, net						25
Restructuring Reserve, Accrual Adjustment						0
Restructuring reserve Settled with Cash and Translation Adjustment						141
Balance at end of period		188				188	304
Q2 2015 Restructuring Plan [Member]
Restructuring Reserve [Roll Forward]
Restructuring and contract termination charges, net		6,010
Q2 2015 Restructuring Plan [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Balance at beginning of period						0
Restructuring and contract termination charges, net						6,010
Restructuring Reserve, Accrual Adjustment						0
Restructuring reserve Settled with Cash and Translation Adjustment						600
Balance at end of period		5,410				5,410	0
Q3 2014 Restructuring Plan [Member]
Restructuring Reserve [Roll Forward]
Restructuring and contract termination charges, net			$ 13,051
Q3 2014 Restructuring Plan [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Balance at beginning of period						10,059
Restructuring and contract termination charges, net						0
Restructuring Reserve, Accrual Adjustment						0
Restructuring reserve Settled with Cash and Translation Adjustment						5,050
Balance at end of period		5,009				5,009	10,059
Q2 2014 Restructuring Plan [Member]
Restructuring Reserve [Roll Forward]
Restructuring and contract termination charges, net				$ 735
Q2 2014 Restructuring Plan [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Balance at beginning of period						251
Restructuring and contract termination charges, net						0
Restructuring Reserve, Accrual Adjustment	[1]					(179)
Restructuring reserve Settled with Cash and Translation Adjustment						8
Balance at end of period		64				64	251
Q1 2014 Restructuring Plan [Member]
Restructuring Reserve [Roll Forward]
Restructuring and contract termination charges, net					$ 567
Q1 2014 Restructuring Plan [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Balance at beginning of period						92
Restructuring and contract termination charges, net						0
Restructuring Reserve, Accrual Adjustment	[2]					(92)
Restructuring reserve Settled with Cash and Translation Adjustment						0
Balance at end of period		0				0	92
2014 Contract Termination Charges [Member] | Contract Termination [Member]
Restructuring Reserve [Roll Forward]
Restructuring and contract termination charges, net							1,545
Previous restructuring and integration plans [Member]
Restructuring Reserve [Roll Forward]
Balance at beginning of period						13,124
Restructuring and contract termination charges, net						0
Restructuring Reserve, Accrual Adjustment	[3]					(808)
Restructuring reserve Settled with Cash and Translation Adjustment						2,199
Balance at end of period		10,117				10,117	13,124
Human Health [Member] | Q2 2015 Restructuring Plan [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring and contract termination charges, net		1,850
Human Health [Member] | Q3 2014 Restructuring Plan [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring and contract termination charges, net			7,126
Human Health [Member] | Q2 2014 Restructuring Plan [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring and contract termination charges, net				545
Restructuring Reserve, Accrual Adjustment						(100)
Human Health [Member] | Q1 2014 Restructuring Plan [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring and contract termination charges, net					370
Restructuring Reserve, Accrual Adjustment						(92)
Human Health [Member] | 2014 Contract Termination Charges [Member] | Contract Termination [Member]
Restructuring Reserve [Roll Forward]
Restructuring and contract termination charges, net							0
Human Health [Member] | Previous restructuring and integration plans [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Accrual Adjustment						200
Environmental Health [Member] | Q2 2015 Restructuring Plan [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring and contract termination charges, net		$ 4,160
Environmental Health [Member] | Q3 2014 Restructuring Plan [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring and contract termination charges, net			$ 5,925
Environmental Health [Member] | Q2 2014 Restructuring Plan [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring and contract termination charges, net				$ 190
Restructuring Reserve, Accrual Adjustment						(100)
Environmental Health [Member] | Q1 2014 Restructuring Plan [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring and contract termination charges, net					$ 197
Environmental Health [Member] | 2014 Contract Termination Charges [Member] | Contract Termination [Member]
Restructuring Reserve [Roll Forward]
Restructuring and contract termination charges, net							$ 1,545
Environmental Health [Member] | Previous restructuring and integration plans [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Accrual Adjustment						$ (1,000)

[1] During the six months ended June 28, 2015, the Company recognized pre-tax restructuring reversals of $0.1 million in each of the Human Health and Environmental Health segments related to lower than expected costs associated with workforce reductions for the Q2 2014 Plan.

[2] During the six months ended June 28, 2015, the Company recognized a pre-tax restructuring reversal of $0.1 million in the Human Health segment related to lower than expected costs associated with workforce reductions for the Q1 2014 Plan.

[3] During the six months ended June 28, 2015, the Company recognized a net additional pre-tax restructuring charge of $0.2 million in the Human Health segment primarily related to higher than expected costs associated with the closure of the excess facility space and a pre-tax restructuring reversal of $1.0 million in the Environmental Health segment related to lower than expected costs associated with workforce reductions for the Previous Plans.

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Stockholders' Equity (Tables)

6 Months Ended

Jun. 28, 2015

Stockholders' Equity Note [Abstract]

Components of Accumulated Other Comprehensive Loss

The components of accumulated other comprehensive income consisted of the following:

	June 28, 2015			December 28, 2014
	(In thousands)
Foreign currency translation adjustments	$	11,906		$	23,332
Unrecognized prior service costs, net of income taxes	1,575			1,575
Unrealized net losses on securities, net of income taxes	(170		)	(107		)
Accumulated other comprehensive income	$	13,311		$	24,800

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Stock Plans (Summary of Total Compensation Recognized Related to Outstanding Stock Options) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2015	Jun. 29, 2014	Jun. 28, 2015	Jun. 29, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total pre-tax stock-based compensation expense	$ 4,206	$ 4,803	$ 8,193	$ 9,319
Cost of sales [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total pre-tax stock-based compensation expense	392	337	640	671
Research and development expenses [Member ]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total pre-tax stock-based compensation expense	141	220	300	360
Selling, general and administrative and other expenses [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total pre-tax stock-based compensation expense	$ 3,673	$ 4,246	$ 7,253	$ 8,288

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Basis of Presentation (Policies)

6 Months Ended

Jun. 28, 2015

Accounting Policies [Abstract]

New Accounting Pronouncements, Policy [Policy Text Block]

Recently Adopted and Issued Accounting Pronouncements: From time to time, new accounting pronouncements are issued by the Financial Accounting Standards Board and are adopted by the Company as of the specified effective dates. Unless otherwise discussed, such pronouncements did not have or will not have a significant impact on the Company’s condensed consolidated financial position, results of operations and cash flows or do not apply to the Company’s operations.

In May 2014, the Financial Accounting Standards Board issued Accounting Standards Update No. 2014-09, Revenue from Contracts with Customers. Under this new guidance, an entity should use a five-step process to recognize revenue, which depicts the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. The standard also requires new disclosures regarding the nature, amount, timing and uncertainty of revenue and cash flows arising from contracts with customers. The initial provisions of this guidance are effective for interim and annual periods beginning after December 15, 2016. Subsequent to the issuance of the standard, the Financial Accounting Standards Board decided to defer the effective date for one year to annual periods beginning after December 15, 2017, with early adoption permitted for annual periods beginning after December 15, 2016. The Company is evaluating the requirements of this guidance and has not yet determined the impact of its adoption on the Company’s consolidated financial position, results of operations and cash flows.

In April 2015, the Financial Accounting Standards Board issued Accounting Standards Update No. 2015-04, Practical Expedient for the Measurement Date of an Employer’s Defined Benefit Obligation and Plan Assets. Under this new guidance, an entity with a fiscal year-end that does not coincide with a calendar month-end (for example an entity that has a 52/53 week fiscal year) has the ability, as a practical expedient, to measure its defined benefit retirement obligations and related plan assets as of the month-end that is closest to its fiscal year end. During the second quarter of fiscal year 2015, the Company early adopted the new guidance. The adoption did not have a material impact on the Company's consolidated financial position, results of operations and cash flows.

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Debt (Details) - USD ($) $ in Millions	1 Months Ended	6 Months Ended	12 Months Ended
	Oct. 25, 2011	Jun. 28, 2015	Dec. 30, 2012	Dec. 28, 2014
Line of Credit, Maturing January 8, 2019 [Member]
Line of Credit Facility, Maximum Borrowing Capacity		$ 700.0
Unsecured revolving credit facility, expiry date		Jan. 08, 2019
Letters of credit issued and outstanding		$ 12.2
Line of Credit Facility, Remaining Borrowing Capacity		236.8
Aggregate borrowings under the amended facility		451.0		$ 516.0
2021 Notes [Member]
Debt Instrument, Interest Rate, Stated Percentage	5.00%
Unsecured senior notes, face value	$ 500.0	500.0
Gross proceeds from the issuance of debt instrument	$ 496.9
Senior unsecured notes issuance as percentage of principal amount	99.372%
Debt Instrument, Unamortized Discount	$ 3.1	2.2		2.3
Long-term Debt, Gross		$ 497.8		497.7
Debt instrument maturity date	Nov. 25, 2021
Percentage of redemption of senior notes on or after August 15, 2021	100.00%
Percentage of redemption upon a change of control and a contemporaneous downgrade of the Notes	101.00%
2021 Notes [Member] | Treasury Rate [Member]
Basis spread on variable rate		0.45%
Financing Lease Obligations [Member]
Initial Fair Value of Other Long-term Debt Related to Financing Lease Obligations			$ 29.3
Additional Financing Lease Obligations, funded by lessors			$ 11.5
Other Long-term Debt		$ 38.7		39.3
Other Long-term Debt, Current		1.1		1.1
Other Long-term Debt, Noncurrent		37.6		$ 38.2
Other Debt Facilities [Member]
Short-term Debt		$ 0.9
Unsecured Revolving Credit Facility [Member] | Base Rate Option Two [Member]
Description of variable rate basis		Federal Funds
Unsecured Revolving Credit Facility [Member] | Eurocurrency Rate [Member]
Description of variable rate basis		Eurocurrency
Unsecured Revolving Credit Facility [Member] | Line of Credit, Maturing January 8, 2019 [Member]
Interest rate terms under amended senior unsecured revolving credit facility		The interest rates under the senior unsecured revolving credit facility are based on the Eurocurrency rate or the base rate at the time of borrowing, plus a margin. The base rate is the higher of (i) the rate of interest in effect for such day as publicly announced from time to time by JP Morgan Chase Bank, N.A. as its "prime rate," (ii) the Federal Funds rate plus 50 basis points or (iii) one-month Libor plus 1.00%.
Weighted average interest rates under amended senior unsecured revolving credit facility		The Eurocurrency margin as of June 28, 2015 was 108 basis points. The weighted average Eurocurrency interest rate as of June 28, 2015 was 0.18%, resulting in a weighted average effective Eurocurrency rate, including the margin, of 1.26%.
Unsecured Revolving Credit Facility [Member] | Line of Credit, Maturing January 8, 2019 [Member] | Base Rate Option Two [Member]
Basis spread on variable rate		0.50%
Unsecured Revolving Credit Facility [Member] | Line of Credit, Maturing January 8, 2019 [Member] | Base Rate Option Three [Member]
Basis spread on variable rate		1.00%
Unsecured Revolving Credit Facility [Member] | Line of Credit, Maturing January 8, 2019 [Member] | Eurocurrency Rate [Member]
Basis spread on variable rate		1.08%
Weighted average Eurocurrency interest rate		0.18%
Weighted average effective Eurocurrency rate, including the margin		1.26%

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Discontinued Operations (Operating Results of Discontinued Operations Prior to Disposition) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2015	Jun. 29, 2014	Jun. 28, 2015	Jun. 29, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Revenue	$ 63	$ 426	$ 83	$ 1,720
Disposal Group, Including Discontinued Operations, Costs and Expenses	28	2,510	85	4,834
Gain (loss) from discontinued operations before income taxes	$ 35	$ (2,084)	$ (2)	$ (3,114)

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Employee Benefit Plans (Tables)

6 Months Ended

Jun. 28, 2015

Compensation and Retirement Disclosure [Abstract]

Components of Net Periodic Benefit Cost (Credit)

The following table summarizes the components of net periodic benefit (credit) cost for the Company’s various defined benefit employee pension and postretirement plans for the three and six months ended June 28, 2015 and June 29, 2014:

	Defined Benefit Pension Benefits						Postretirement Medical Benefits
	Three Months Ended
	June 28, 2015			June 29, 2014			June 28, 2015			June 29, 2014
	(In thousands)
Service cost	$	1,085		$	1,034		$	27		$	24
Interest cost	5,176			5,931			36			39
Expected return on plan assets	(6,510		)	(6,280		)	(266		)	(241		)
Curtailment gain	(816		)	—			—			—
Actuarial loss	821			—			—			—
Amortization of prior service costs	(59		)	(71		)	—			—
Net periodic benefit (credit) cost	$	(303	)	$	614		$	(203	)	$	(178	)

	Defined Benefit Pension Benefits						Postretirement Medical Benefits
	Six Months Ended
	June 28, 2015			June 29, 2014			June 28, 2015			June 29, 2014
	(In thousands)
Service cost	$	2,191		$	2,064		$	54		$	48
Interest cost	10,426			11,847			72			77
Expected return on plan assets	(13,022		)	(12,543		)	(532		)	(482		)
Curtailment gain	(816		)	—			—			—
Actuarial loss	821			—			—			—
Amortization of prior service	(123		)	(142		)	—			—
Net periodic benefit (credit) cost	$	(523	)	$	1,226		$	(406	)	$	(357	)

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Industry Segment Information Industry Segment Information Narrative (Details) $ in Millions	3 Months Ended	6 Months Ended		12 Months Ended
	Jun. 29, 2014 USD ($)	Jun. 28, 2015 segments	Jun. 29, 2014 USD ($)	Dec. 28, 2014 USD ($)	Dec. 29, 2013 USD ($)
Segment Reporting Information [Line Items]
Number of Operating Segment | segments		2
Enzo Biochem, Inc. Complaint [Member]
Segment Reporting Information [Line Items]
Payments for Legal Settlements				$ 7.0
Loss Contingency Accrual					$ 3.7
Loss Contingency Accrual, Period Increase (Decrease)	$ 3.3
Litigation Settlement, Expense	$ 0.1		$ 3.4

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Fair Value Measurements (Narrative) (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 28, 2015	Mar. 29, 2015	Dec. 28, 2014	Jun. 29, 2014	Mar. 30, 2014	Dec. 29, 2013	Oct. 25, 2011
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High	$ 32,500
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value	$ 475	$ 81	$ 91	$ 3,430	$ 4,981	$ 4,926
Business Combination, Contingent Consideration Arrangements, Description	Contingent consideration is measured at fair value at the acquisition date, based on the probability that revenue thresholds or product development milestones will be achieved during the earnout period, with changes in the fair value after the acquisition date affecting earnings to the extent it is to be settled in cash.
Business Combination, Contingent Consideration Arrangements, Maximum Period	3 years
Business Combination, Contingent Consideration Arrangements, Weighted Average Period	4 months
Line of Credit, Maturing January 8, 2019 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 700,000
Revolving credit facility outstanding balance	451,000		516,000
2021 Notes [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Unsecured senior notes, face value	500,000						$ 500,000
Long-term Debt, Gross	497,800		497,700
Debt Instrument, Unamortized Discount	2,200		2,300				$ 3,100
Unsecured senior notes, fair value	526,700		542,700
Financing Lease Obligations [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Unsecured senior notes, fair value	$ 38,700		$ 39,300

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Goodwill and Intangible Assets, Net (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2015	Jun. 29, 2014	Jun. 28, 2015	Jun. 29, 2014	Jan. 01, 2015	Dec. 28, 2014
Goodwill and Intangible Assets Net [Line Items]
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount					20.00%
Change in any one of the input assumptions for the various reporting units			10.00%
Reallocation of Goodwill Resulting from Realignment Within Operating Segments						$ 41,200
Goodwill	$ 2,275,898		$ 2,275,898			2,284,077
Total amortization expense related to finite-lived intangible assets	19,900	$ 20,600	39,700	$ 41,300
Future Amortization Expense, Year One	40,300		40,300
Future Amortization Expense, Year Two	70,700		70,700
Future Amortization Expense, Year Three	60,900		60,900
Future Amortization Expense, Year Four	49,900		49,900
Future Amortization Expense, Year Five	38,100		38,100
Finite-Lived Intangible Assets, Net	383,667		383,667			419,681
Intangible assets, net	454,251		$ 454,251			490,265
Minimum [Member]
Goodwill and Intangible Assets Net [Line Items]
Long-term terminal growth rates for reporting units			4.00%
Discount rates for reporting units			9.50%
Maximum [Member]
Goodwill and Intangible Assets Net [Line Items]
Long-term terminal growth rates for reporting units			6.50%
Discount rates for reporting units			12.50%
Patents [Member]
Goodwill and Intangible Assets Net [Line Items]
Gross amortizable intangible assets	39,923		$ 39,923			39,953
Less: Accumulated amortization	28,484		28,484			27,200
Finite-Lived Intangible Assets, Net	11,439		11,439			12,753
Trade Names And Trademarks [Member]
Goodwill and Intangible Assets Net [Line Items]
Gross amortizable intangible assets	40,223		40,223			40,069
Less: Accumulated amortization	18,852		18,852			16,936
Finite-Lived Intangible Assets, Net	21,371		21,371			23,133
Licensing Agreements [Member]
Goodwill and Intangible Assets Net [Line Items]
Gross amortizable intangible assets	59,441		59,441			59,631
Less: Accumulated amortization	43,623		43,623			41,792
Finite-Lived Intangible Assets, Net	15,818		15,818			17,839
Core Technology [Member]
Goodwill and Intangible Assets Net [Line Items]
Gross amortizable intangible assets	299,785		299,785			298,491
Less: Accumulated amortization	199,087		199,087			184,697
Finite-Lived Intangible Assets, Net	100,698		100,698			113,794
Customer Relationships [Member]
Goodwill and Intangible Assets Net [Line Items]
Gross amortizable intangible assets	403,312		403,312			402,185
Less: Accumulated amortization	175,018		175,018			156,994
Finite-Lived Intangible Assets, Net	228,294		228,294			245,191
In-process Research and Development [Member]
Goodwill and Intangible Assets Net [Line Items]
Gross amortizable intangible assets	9,660		9,660			10,103
Less: Accumulated amortization	3,613		3,613			3,132
Finite-Lived Intangible Assets, Net	6,047		6,047			$ 6,971
Fiscal Year 2015 Acquisitions [Member]
Goodwill and Intangible Assets Net [Line Items]
Goodwill	13,700		13,700
Intangible Assets, Gross (Excluding Goodwill)	$ 6,100		$ 6,100

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Interest and Other Expense (Income), Net (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2015	Jun. 29, 2014	Jun. 28, 2015	Jun. 29, 2014
Other Income and Expenses [Abstract]
Interest income	$ (132)	$ (151)	$ (341)	$ (245)
Interest expense	9,302	9,079	18,690	18,298
Other expense, net	1,673	36	1,915	2,200
Total interest and other expense, net	$ 10,843	$ 8,964	$ 20,264	$ 20,253

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Discontinued Operations

6 Months Ended

Jun. 28, 2015

Discontinued Operations and Disposal Groups [Abstract]

Discontinued Operations

Discontinued Operations

As part of the Company’s continuing efforts to focus on higher growth opportunities, the Company has discontinued certain businesses. The Company has accounted for these businesses as discontinued operations and, accordingly, has presented the results of operations and related cash flows as discontinued operations for all periods presented. Any remaining assets and liabilities of these businesses have been presented separately, and are reflected within assets and liabilities from discontinued operations in the accompanying condensed consolidated balance sheets as of June 28, 2015 and December 28, 2014.

In May 2014, the Company’s management approved the shutdown of its microarray-based diagnostic testing laboratory in the United States, which had been reported within the Human Health segment. The Company determined that, with the lack of adequate reimbursement from health care payers, the microarray-based diagnostic testing laboratory in the United States would need significant investment in its operations to reduce costs in order to effectively compete in the market. The shutdown of the microarray-based diagnostic testing laboratory in the United States resulted in a $0.3 million net pre-tax loss related to the disposal of fixed assets and inventory for the three months ended June 29, 2014.

During the first six months of each of fiscal years 2015 and 2014, the Company settled various commitments related to the divestiture of other discontinued operations. The Company recognized net pre-tax losses of $0.01 million and $0.02 million for the three and six months ended June 28, 2015, respectively. The Company also recognized net pre-tax losses of $0.05 million and $0.1 million related to other discontinued operations for the three and six months ended June 29, 2014, respectively. These losses were recognized as a loss on disposition of discontinued operations.

Summary pre-tax operating results of the discontinued operations, which include the periods prior to disposition and a $1.0 million pre-tax restructuring charge related to workforce reductions in the microarray-based diagnostic testing laboratory in the United States during the second quarter of fiscal year 2014, were as follows:

	Three Months Ended					Six Months Ended
	June 28, 2015		June 29, 2014			June 28, 2015			June 29, 2014
	(In thousands)
Sales	$	63	$	426		$	83		$	1,720
Costs and expenses	28		2,510			85			4,834
Gain (loss) from discontinued operations before income taxes	$	35	$	(2,084	)	$	(2	)	$	(3,114	)

The Company recorded a tax provision of $0.05 million and a tax benefit of $0.03 million on discontinued operations and dispositions for the three and six months ended June 28, 2015, respectively. The Company recorded tax benefits of $0.9 million and $1.2 million on discontinued operations and dispositions for the three and six months ended June 29, 2014, respectively.

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Goodwill and Intangible Assets, Net (Changes in the Carrying Amount of Goodwill) (Details) $ in Thousands	6 Months Ended
	Jun. 28, 2015 USD ($)
Changes in the carrying amount of goodwill
Balance at beginning of period	$ 2,284,077
Foreign currency translation	(21,936)
Goodwill, Acquisition, Earn Outs and Other Adjustments	13,757
Balance at end of period	2,275,898
Human Health [Member]
Changes in the carrying amount of goodwill
Balance at beginning of period	1,662,755
Foreign currency translation	(15,453)
Goodwill, Acquisition, Earn Outs and Other Adjustments	33
Balance at end of period	1,647,335
Environmental Health [Member]
Changes in the carrying amount of goodwill
Balance at beginning of period	621,322
Foreign currency translation	(6,483)
Goodwill, Acquisition, Earn Outs and Other Adjustments	13,724
Balance at end of period	$ 628,563

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Discontinued Operations (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2015	Jun. 29, 2014	Jun. 28, 2015	Jun. 29, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Pre-tax gain (loss) on disposal of business unit	$ (10)	$ (302)	$ (23)	$ (374)
(Benefit from) provision for income taxes on discontinued operations and dispositions	47	(873)	(26)	(1,248)
Other Discontinued Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Pre-tax gain (loss) on disposal of business unit	$ (10)	(50)	$ (20)	$ (100)
Microarray-based diagnostic testing laboratory in the United States [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Pre-tax gain (loss) on disposal of business unit		(300)
Disposal Group, Including Discontinued Operations, Severance Costs		$ 1,000

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Interest and Other Expense (Income), Net (Tables)

6 Months Ended

Jun. 28, 2015

Other Income and Expenses [Abstract]

Interest and Other Expense (Income), Net

Interest and other expense, net, consisted of the following:

	Three Months Ended						Six Months Ended
	June 28, 2015			June 29, 2014			June 28, 2015			June 29, 2014
	(In thousands)
Interest income	$	(132	)	$	(151	)	$	(341	)	$	(245	)
Interest expense	9,302			9,079			18,690			18,298
Other expense, net	1,673			36			1,915			2,200
Total interest and other expense, net	$	10,843		$	8,964		$	20,264		$	20,253

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Restructuring and Lease Charges, Net (Tables)

6 Months Ended

Jun. 28, 2015

Restructuring and Related Activities [Abstract]

Schedule of Restructuring Reserve by Type of Cost [Table Text Block]

The following table summarizes the number of employees reduced, the initial restructuring or contract termination charges by operating segment, and the dates by which payments were substantially completed, or the expected dates by which payments will be substantially completed, for restructuring actions implemented during the six months ended June 28, 2015 and fiscal year 2014:

		Initial Restructuring or Contract Termination Charges				Total		Date or Expected Date Payments Substantially Completed by
	Headcount Reduction	Human Health		Environmental Health
	(In thousands, except headcount data)
Q2 2015 Plan	102	$	1,850	$	4,160	$	6,010	Q2 FY2016
2015 Contract Termination Charges	—	—		25		25		Q4 FY2015
Q3 2014 Plan	152	7,126		5,925		13,051		Q3 FY2015
Q2 2014 Plan	22	545		190		735		Q2 FY2015
Q1 2014 Plan	17	370		197		567		Q4 FY2014
2014 Contract Termination Charges	—	—		1,545		1,545		Q4 FY2015

Schedule of Restructuring Plan Activity [Table Text Block]

The following table summarizes the Company's restructuring and contract termination accrual balances and related activity by restructuring plan, as well as contract termination, during the six months ended June 28, 2015:

	Balance at December 28, 2014		2015 Charges		2015 Changes in Estimates, Net			2015 Amounts Paid			Balance at June 28, 2015
	(In thousands)
Severance:
Q2 2015 Plan	$	—	$	6,010	$	—		$	(600	)	$	5,410
Q3 2014 Plan	10,059		—		—			(5,050		)	5,009
Q2 2014 Plan(1)	251		—		(179		)	(8		)	64
Q1 2014 Plan(2)	92		—		(92		)	—			—
Previous Plans(3)	13,124		—		(808		)	(2,199		)	10,117
Restructuring	23,526		6,010		(1,079		)	(7,857		)	20,600
Contract Termination	304		25		—			(141		)	188
Total Restructuring and Contract Termination	$	23,830	$	6,035	$	(1,079	)	$	(7,998	)	$	20,788

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Stock Plans (Narrative) (Details) $ / shares in Units, $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 28, 2015 USD ($) $ / shares shares	Mar. 29, 2015 shares	Jun. 29, 2014 USD ($) $ / shares	Jun. 28, 2015 USD ($) plan $ / shares shares	Jun. 29, 2014 USD ($) $ / shares shares	Dec. 28, 2014 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares, Granted | shares	0			484,000
Number of Former Stock-based Compensation Plans | plan				1
Total income tax benefit recognized for stock-based compensation	$ 1,400		$ 1,800	$ 2,700	$ 3,500
Stock-based compensation costs capitalized as part of inventory				300	400
Total pre-tax stock-based compensation expense	4,206		$ 4,803	$ 8,193	$ 9,319
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average grant-date fair value of options | $ / shares			$ 11.80	$ 10.99	$ 11.84
Total intrinsic value of options exercised	4,300		$ 11,100	$ 21,900	$ 17,600
Cash received from option exercises				12,700	19,500
Total pre-tax stock-based compensation expense	1,100		1,400	1,900	2,900
Total unrecognized compensation cost, net of estimated forfeitures, related to nonvested stock, granted	8,100			$ 8,100
Weighted-average period for recognition of unrecognized compensation cost, years				2 years 1 month
Restricted Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total pre-tax stock-based compensation expense	2,300		$ 1,900	$ 4,300	$ 3,900
Total unrecognized compensation cost, net of estimated forfeitures, related to nonvested stock, granted	$ 15,000			$ 15,000
Weighted-average period for recognition of unrecognized compensation cost, years				1 year 8 months
Awards/units outstanding | shares	524,000			524,000		558,000
Number of Shares, Granted | shares				220,000
Weighted-average grant-date fair value of stock granted (per share) | $ / shares	$ 51.13		$ 43.19	$ 46.59	$ 42.61
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period | shares				25,000
Fair value of restricted stock awards vested	$ 300		$ 200	$ 7,000	$ 7,000
Performance Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total pre-tax stock-based compensation expense	$ 100		$ 700	$ 1,200	$ 1,700
Awards/units outstanding | shares	201,415			201,415
Number of Shares, Granted | shares				66,509	79,463
Weighted-average grant-date fair value of stock granted (per share) | $ / shares				$ 46.83	$ 42.84
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period | shares				8,860	0
Deferred Compensation Share-based Arrangements, Liability, Current and Noncurrent	$ 3,300			$ 3,300
Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total pre-tax stock-based compensation expense				$ 700	$ 700
Number of Shares, Granted | shares		544		1,953	2,373
Weighted-average grant-date fair value of stock granted (per share) | $ / shares				$ 51.01	$ 42.14
Employee Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized under plan | shares	5,000,000			5,000,000
Number of Shares, Granted | shares				29,565	31,854
Weighted-average grant-date fair value of stock granted (per share) | $ / shares				$ 41.54	$ 39.17
Shares available for grant under employee stock purchase plan | shares	1,000,000			1,000,000
2009 Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized under plan | shares	10,000,000			10,000,000

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Restructuring and Lease Charges, Net (Narrative) (Details) - USD ($) $ in Thousands		6 Months Ended
		Jun. 28, 2015	Dec. 28, 2014
Restructuring Cost and Reserve [Line Items]
Accrued restructuring and integration costs		$ 20,788	$ 23,830
Accrued expenses and other current liabilities		15,402	17,124
Restructuring Reserve, Noncurrent		5,400	6,700
Restructuring Reserve, Accrual Adjustment		(1,079)
Previous restructuring and integration plans [Member]
Restructuring Cost and Reserve [Line Items]
Accrued restructuring and integration costs		10,117	13,124
Restructuring Reserve, Accrual Adjustment	[1]	(808)
Employee Severance [Member] | Q2 2014 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Accrued restructuring and integration costs		64	251
Restructuring Reserve, Accrual Adjustment	[2]	(179)
Employee Severance [Member] | Q1 2014 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Accrued restructuring and integration costs		0	$ 92
Restructuring Reserve, Accrual Adjustment	[3]	(92)
Human Health [Member] | Employee Severance [Member] | Q2 2014 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Accrual Adjustment		(100)
Human Health [Member] | Employee Severance [Member] | Q1 2014 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Accrual Adjustment		(92)
Human Health [Member] | Employee Severance [Member] | Previous restructuring and integration plans [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Accrual Adjustment		200
Environmental Health [Member] | Employee Severance [Member] | Q2 2014 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Accrual Adjustment		(100)
Environmental Health [Member] | Employee Severance [Member] | Previous restructuring and integration plans [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Accrual Adjustment		$ (1,000)

[1] During the six months ended June 28, 2015, the Company recognized a net additional pre-tax restructuring charge of $0.2 million in the Human Health segment primarily related to higher than expected costs associated with the closure of the excess facility space and a pre-tax restructuring reversal of $1.0 million in the Environmental Health segment related to lower than expected costs associated with workforce reductions for the Previous Plans.

[2] During the six months ended June 28, 2015, the Company recognized pre-tax restructuring reversals of $0.1 million in each of the Human Health and Environmental Health segments related to lower than expected costs associated with workforce reductions for the Q2 2014 Plan.

[3] During the six months ended June 28, 2015, the Company recognized a pre-tax restructuring reversal of $0.1 million in the Human Health segment related to lower than expected costs associated with workforce reductions for the Q1 2014 Plan.

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Inventories, Net (Tables)

6 Months Ended

Jun. 28, 2015

Inventory Disclosure [Abstract]

Schedule of Net Inventories

Inventories as of June 28, 2015 and December 28, 2014 consisted of the following:

	June 28, 2015		December 28, 2014
	(In thousands)
Raw materials	$	101,973	$	96,169
Work in progress	21,895		18,783
Finished goods	180,886		170,505
Total inventories	$	304,754	$	285,457

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Earnings Per Share (Tables)

6 Months Ended

Jun. 28, 2015

Earnings Per Share [Abstract]

Schedule of Reconciliation of Number of Shares Utilized in Earnings Per Share Calculations

The following table reconciles the number of shares utilized in the earnings per share calculations:

	Three Months Ended		Six Months Ended
	June 28, 2015	June 29, 2014	June 28, 2015	June 29, 2014
	(In thousands)
Number of common shares—basic	113,018	112,788	112,829	112,671
Effect of dilutive securities:
Stock options	639	970	659	1,010
Restricted stock awards	176	213	148	193
Number of common shares—diluted	113,833	113,971	113,636	113,874
Number of potentially dilutive securities excluded from calculation due to antidilutive impact	493	499	713	479

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Business Combinations

6 Months Ended

Jun. 28, 2015

Business Combinations [Abstract]

Business Combinations

Business Combinations

Acquisitions in fiscal year 2015

During the first six months of fiscal year 2015, the Company completed the acquisition of three businesses for total consideration of $19.0 million in cash. The excess of the purchase prices over the fair values of each of the acquired businesses' net assets represents cost and revenue synergies specific to the Company, as well as non-capitalizable intangible assets, such as the employee workforce acquired. As a result of these acquisitions, the Company recorded goodwill of $13.7 million and intangible assets of $6.1 million. The Company has reported the operations for these acquisitions within the results of the Company's Human Health and Environmental Health segments from the acquisition dates. As of June 28, 2015, the purchase accounting allocations related to these acquisitions were preliminary.

Acquisitions in fiscal year 2014

Acquisition of Perten Instruments Group AB. In December 2014, the Company acquired all of the outstanding stock of Perten Instruments Group AB ("Perten"). Perten is a provider of analytical instruments and services for quality control of food, grain, flour and feed. The Company expects this acquisition to enhance its industrial, environmental and safety business by expanding the Company's product offerings to the academic and industrial end markets. The Company paid the shareholders of Perten $269.9 million in cash for the stock of Perten. The excess of the purchase price over the fair value of the acquired net assets represents cost and revenue synergies specific to the Company, as well as non-capitalizable intangible assets, such as the employee workforce acquired, and has been allocated to goodwill, none of which is tax deductible. The Company has reported the operations for this acquisition within the results of the Company’s Environmental Health segment from the acquisition date. Identifiable definite-lived intangible assets, such as core technology, customer relationships and trade names, acquired as part of this acquisition had weighted average amortization periods of approximately 5 to 10 years.

Other acquisitions in fiscal year 2014. In addition to the Perten acquisition, the Company completed the acquisition of two businesses in fiscal year 2014 for total consideration of $18.0 million in cash and $4.3 million of assumed debt. The excess of the purchase price over the fair value of each of the acquired businesses' net assets represents cost and revenue synergies specific to the Company, as well as non-capitalizable intangible assets, such as the employee workforce acquired, and has been allocated to goodwill, none of which is tax deductible. The Company reported the operations for these acquisitions within the results of the Human Health and Environmental Health segments from the acquisition dates. As of June 28, 2015, the purchase accounting allocations related to acquisitions completed during fiscal year 2014 were preliminary.

The total purchase price for the acquisitions in fiscal year 2014 has been allocated to the estimated fair values of assets acquired and liabilities assumed as follows:

	Perten			2014 Other
	(Preliminary)
	(In thousands)
Fair value of business combination:
Cash payments	$	269,937		$	17,898
Working capital and other adjustments	—			151
Less: cash acquired	(16,732		)	(124		)
Total	$	253,205		$	17,925
Identifiable assets acquired and liabilities assumed:
Current assets	$	32,805		$	1,965
Property, plant and equipment	1,485			125
Other assets	—			364
Identifiable intangible assets:
Core technology	16,000			1,705
Trade names	7,000			—
Customer relationships	87,000			6,800
IPR&D	—			1,266
Goodwill	164,164			15,981
Deferred taxes	(31,454		)	(3,072		)
Deferred revenue	—			(589		)
Liabilities assumed	(16,195		)	(2,333		)
Debt assumed	(7,600		)	(4,287		)
Total	$	253,205		$	17,925

The preliminary allocations of the purchase prices for acquisitions completed in fiscal years 2015 and 2014 were based upon initial valuations. The Company's estimates and assumptions underlying the initial valuations are subject to the collection of information necessary to complete its valuations within the measurement periods, which are up to one year from the respective acquisition dates. The primary areas of the preliminary purchase price allocations that are not yet finalized relate to the fair value of certain tangible and intangible assets acquired and liabilities assumed, assets and liabilities related to income taxes and related valuation allowances, and residual goodwill. The Company expects to continue to obtain information to assist in determining the fair values of the net assets acquired at the acquisition dates during the measurement periods. During the measurement periods, the Company will adjust assets or liabilities if new information is obtained about facts and circumstances that existed as of the acquisition dates that, if known, would have resulted in the recognition of those assets and liabilities as of those dates. Adjustments to the preliminary allocation of the purchase prices during the measurement period require the revision of comparative prior period financial information when reissued in subsequent financial statements. The effect of adjustments to the allocation of the purchase prices made during the measurement periods would be as if the adjustments had been completed on the acquisition dates. The effects of any such adjustments, if material, may cause changes in depreciation, amortization, or other income or expense recognized in prior periods. All changes that do not qualify as adjustments made during the measurement periods are included in current period earnings.

Allocations of the purchase price for acquisitions are based on estimates of the fair value of the net assets acquired and are subject to adjustment upon finalization of the purchase price allocations. The accounting for business combinations requires estimates and judgments as to expectations for future cash flows of the acquired business, and the allocation of those cash flows to identifiable intangible assets, in determining the estimated fair values for assets acquired and liabilities assumed. The fair values assigned to tangible and intangible assets acquired and liabilities assumed, including contingent consideration, are based on management’s estimates and assumptions, as well as other information compiled by management, including valuations that utilize customary valuation procedures and techniques. Contingent consideration is measured at fair value at the acquisition date, based on the probability that revenue thresholds or product development milestones will be achieved during the earnout period, with changes in the fair value after the acquisition date affecting earnings to the extent it is to be settled in cash. Increases or decreases in the fair value of contingent consideration liabilities primarily result from changes in the estimated probabilities of achieving revenue thresholds or product development milestones during the earnout period.

The Company may have to pay contingent consideration, related to acquisitions with open contingency periods, of up to $32.5 million as of June 28, 2015. As of June 28, 2015, the Company had recorded contingent consideration obligations, which were assumed as part of the Perten acquisition, with an estimated fair value of $0.5 million. The earnout period for acquisitions with open contingency periods does not exceed three years from the respective acquisition date. If the actual results differ from the estimates and judgments used in these fair values, the amounts recorded in the condensed consolidated financial statements could result in a possible impairment of the intangible assets and goodwill, require acceleration of the amortization expense of definite-lived intangible assets or the recognition of additional consideration which would be expensed.

Total transaction costs related to acquisition activities for the three and six months ended June 28, 2015 were $0.2 million and $0.4 million, respectively. Total transaction costs related to acquisition activities for the three and six months ended June 29, 2014 were $0.1 million and $0.2 million, respectively. These transaction costs were expensed as incurred and recorded in selling, general and administrative expenses in the Company's condensed consolidated statements of operations.

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Industry Segment Information (Tables)

6 Months Ended

Jun. 28, 2015

Segment Reporting [Abstract]

Schedule of Sales and Operating Income by Operating Segment, Excluding Discontinued Operations

Revenue and operating income (loss) from continuing operations by operating segment are shown in the table below:

	Three Months Ended						Six Months Ended
	June 28, 2015			June 29, 2014			June 28, 2015			June 29, 2014
	(In thousands)
Human Health
Product revenue	$	242,506		$	245,108		$	473,654		$	484,137
Service revenue	98,982			97,435			193,887			188,439
Total revenue	341,488			342,543			667,541			672,576
Operating income from continuing operations	60,531			57,908			116,413			101,890
Environmental Health
Product revenue	146,212			136,501			274,377			262,956
Service revenue	76,206			77,126			148,889			151,248
Total revenue	222,418			213,627			423,266			414,204
Operating income from continuing operations	19,422			25,578			30,768			47,185
Corporate
Operating loss from continuing operations(1)	(11,822		)	(13,849		)	(21,669		)	(27,676		)
Continuing Operations
Product revenue	388,718			381,609			748,031			747,093
Service revenue	175,188			174,561			342,776			339,687
Total revenue	563,906			556,170			1,090,807			1,086,780
Operating income from continuing operations	68,131			69,637			125,512			121,399
Interest and other expense, net (see Note 5)	10,843			8,964			20,264			20,253
Income from continuing operations before income taxes	$	57,288		$	60,673		$	105,248		$	101,146

____________________________

⁽¹⁾  In 2002, Enzo Biochem, Inc. and Enzo Life Sciences, Inc. (collectively, “Enzo”) filed a complaint that alleged that the Company separately and together with other defendants breached distributorship and settlement agreements with Enzo, infringed Enzo's patents, engaged in unfair competition and fraud, and committed torts against Enzo by, among other things, engaging in commercial development and exploitation of Enzo's patented products and technology. The Company entered into a settlement agreement with Enzo dated June 20, 2014 and during fiscal year 2014 paid $7.0 million into a designated escrow account to resolve this matter, of which $3.7 million had been accrued in previous years and $3.3 million was recorded in the second quarter of fiscal year 2014. In addition, the Company incurred $0.1 million and $3.4 million of expenses in preparation for the trial during the three and six months ended June 29, 2014, respectively.

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Business Combinations (Narrative) (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended		12 Months Ended
	Dec. 28, 2014	Jun. 28, 2015	Jun. 29, 2014	Jun. 28, 2015	Jun. 29, 2014	Dec. 28, 2014	Mar. 29, 2015	Dec. 05, 2014	Oct. 21, 2014	Mar. 30, 2014	Dec. 29, 2013
Business Acquisition [Line Items]
Number of Years in Measurement Period from Acquisition Date to Change Underlying Assumptions				1 year
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High		$ 32,500		$ 32,500
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value	$ 91	475	$ 3,430	$ 475	$ 3,430	$ 91	$ 81			$ 4,981	$ 4,926
Business Combination, Contingent Consideration Arrangements, Maximum Period				3 years
Total transaction costs		200	$ 100	$ 400	$ 200
Business Combination, Contingent Consideration Arrangements, Description				Contingent consideration is measured at fair value at the acquisition date, based on the probability that revenue thresholds or product development milestones will be achieved during the earnout period, with changes in the fair value after the acquisition date affecting earnings to the extent it is to be settled in cash.
Goodwill	2,284,077	2,275,898		$ 2,275,898		2,284,077
Fiscal Year 2015 Acquisitions [Member]
Business Acquisition [Line Items]
Business Acquisition, Cost of Acquired Entity, Cash Paid Including Working Capital And Other Adjustments				19,000
Goodwill		13,700		13,700
Intangible Assets, Gross (Excluding Goodwill)		6,100		6,100
Perten Instruments Group AB [Member]
Business Acquisition [Line Items]
Business Acquisition, Goodwill, Expected Tax Deductible Amount								$ 0
Fiscal Year 2014 Acquisitions (excluding Perten) [Member]
Business Acquisition [Line Items]
Business Acquisition, Cost of Acquired Entity, Cash Paid Including Working Capital And Other Adjustments						18,000
Business Acquisition, Goodwill, Expected Tax Deductible Amount									$ 0
Cash paid to the shareholders						17,898
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt									(4,287)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities									2,333
Goodwill									15,981
Environmental Health [Member]
Business Acquisition [Line Items]
Goodwill	621,322	628,563		628,563		621,322
Environmental Health [Member] | Perten Instruments Group AB [Member]
Business Acquisition [Line Items]
Cash paid to the shareholders	$ 269,937
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt								(7,600)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities								16,195
Goodwill								164,164
Environmental Health [Member] | Minimum [Member] | Perten Instruments Group AB [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	5 years
Environmental Health [Member] | Maximum [Member] | Perten Instruments Group AB [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	10 years
Human Health [Member]
Business Acquisition [Line Items]
Goodwill	$ 1,662,755	$ 1,647,335		$ 1,647,335		$ 1,662,755
Core Technology [Member] | Fiscal Year 2014 Acquisitions (excluding Perten) [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles									1,705
Core Technology [Member] | Environmental Health [Member] | Perten Instruments Group AB [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles								16,000
Customer Relationships [Member] | Fiscal Year 2014 Acquisitions (excluding Perten) [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles									$ 6,800
Customer Relationships [Member] | Environmental Health [Member] | Perten Instruments Group AB [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles								$ 87,000

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Industry Segment Information (Schedule of Sales and Operating Income by Operating Segment, Excluding Discontinued Operations) (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 28, 2015	Jun. 29, 2014		Jun. 28, 2015	Jun. 29, 2014
Segment Reporting Information [Line Items]
Product revenue	$ 388,718	$ 381,609		$ 748,031	$ 747,093
Service revenue	175,188	174,561		342,776	339,687
Total revenue	563,906	556,170		1,090,807	1,086,780
Operating income (loss) from continuing operations	68,131	69,637		125,512	121,399
Interest and other expense, net	10,843	8,964		20,264	20,253
Income from continuing operations before income taxes	57,288	60,673		105,248	101,146
Human Health [Member]
Segment Reporting Information [Line Items]
Product revenue	242,506	245,108		473,654	484,137
Service revenue	98,982	97,435		193,887	188,439
Total revenue	341,488	342,543		667,541	672,576
Operating income (loss) from continuing operations	60,531	57,908		116,413	101,890
Environmental Health [Member]
Segment Reporting Information [Line Items]
Product revenue	146,212	136,501		274,377	262,956
Service revenue	76,206	77,126		148,889	151,248
Total revenue	222,418	213,627		423,266	414,204
Operating income (loss) from continuing operations	19,422	25,578		30,768	47,185
Corporate [Member]
Segment Reporting Information [Line Items]
Operating income (loss) from continuing operations	$ (11,822)	(13,849)	[1]	$ (21,669)	(27,676)	[1]
Enzo Biochem, Inc. Complaint [Member]
Segment Reporting Information [Line Items]
Litigation Settlement, Expense		$ 100			$ 3,400

[1] In 2002, Enzo Biochem, Inc. and Enzo Life Sciences, Inc. (collectively, “Enzo”) filed a complaint that alleged that the Company separately and together with other defendants breached distributorship and settlement agreements with Enzo, infringed Enzo's patents, engaged in unfair competition and fraud, and committed torts against Enzo by, among other things, engaging in commercial development and exploitation of Enzo's patented products and technology. The Company entered into a settlement agreement with Enzo dated June 20, 2014 and during fiscal year 2014 paid $7.0 million into a designated escrow account to resolve this matter, of which $3.7 million had been accrued in previous years and $3.3 million was recorded in the second quarter of fiscal year 2014. In addition, the Company incurred $0.1 million and $3.4 million of expenses in preparation for the trial during the three and six months ended June 29, 2014, respectively.

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Condensed Consolidated Income Statements - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2015	Jun. 29, 2014	Jun. 28, 2015	Jun. 29, 2014
Product revenue	$ 388,718	$ 381,609	$ 748,031	$ 747,093
Service revenue	175,188	174,561	342,776	339,687
Total revenue	563,906	556,170	1,090,807	1,086,780
Cost of product revenue	201,675	201,649	386,284	390,933
Cost of service revenue	109,719	106,537	216,637	212,150
Total cost of revenue	311,394	308,186	602,921	603,083
Selling, general and administrative expenses	146,742	147,253	292,615	299,690
Research and development expenses	32,683	30,352	64,803	59,731
Restructuring and contract termination charges, net	4,956	742	4,956	2,877
Operating income from continuing operations	68,131	69,637	125,512	121,399
Interest and other expense, net	10,843	8,964	20,264	20,253
Income from continuing operations before income taxes	57,288	60,673	105,248	101,146
Provision for income taxes	8,292	8,670	15,941	14,192
Income from continuing operations	48,996	52,003	89,307	86,954
Gain (loss) from discontinued operations before income taxes	35	(2,084)	(2)	(3,114)
Loss on disposition of discontinued operations before income taxes	(10)	(302)	(23)	(374)
Provision for (benefit from) income taxes on discontinued operations and dispositions	47	(873)	(26)	(1,248)
(Loss) gain from discontinued operations and dispositions	(22)	(1,513)	1	(2,240)
Net income	$ 48,974	$ 50,490	$ 89,308	$ 84,714
Basic earnings (loss) per share:
Income (loss) from continuing operations (per share)	$ 0.43	$ 0.46	$ 0.79	$ 0.77
Gain (loss) on discontinued operations and dispositions (per share)	0.00	(0.01)	0.00	(0.02)
Net income (per share)	0.43	0.45	0.79	0.75
Diluted earnings (loss) per share:
Income (loss) from continuing operations (per share)	0.43	0.46	0.79	0.76
Gain (loss) on discontinued operations and dispositions (per share)	0.00	(0.01)	0.00	(0.02)
Net income (per share)	$ 0.43	$ 0.44	$ 0.79	$ 0.74
Weighted average shares of common stock outstanding:
Basic (in shares)	113,018	112,788	112,829	112,671
Diluted (in shares)	113,833	113,971	113,636	113,874
Cash dividends per common share	$ 0.07	$ 0.07	$ 0.14	$ 0.14

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Restructuring and Lease Charges, Net (Schedule of Initial Charges) (Details) $ in Thousands	3 Months Ended				6 Months Ended	12 Months Ended
	Jun. 28, 2015 USD ($) employees	Sep. 28, 2014 USD ($) employees	Jun. 29, 2014 USD ($) employees	Mar. 30, 2014 USD ($) employees	Jun. 28, 2015 USD ($)	Dec. 28, 2014 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net					$ 6,035
Q2 2015 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated | employees	102
Restructuring and contract termination charges, net	$ 6,010
Q3 2014 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated | employees		152
Restructuring and contract termination charges, net		$ 13,051
Q2 2014 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated | employees			22
Restructuring and contract termination charges, net			$ 735
Q1 2014 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated | employees				17
Restructuring and contract termination charges, net				$ 567
Employee Severance [Member] | Q2 2015 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net					6,010
Employee Severance [Member] | Q3 2014 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net					0
Employee Severance [Member] | Q2 2014 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net					0
Employee Severance [Member] | Q1 2014 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net					0
Contract Termination [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net					25
Contract Termination [Member] | 2015 Contract Termination Charges [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net					25
Contract Termination [Member] | 2014 Contract Termination Charges [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net						$ 1,545
Human Health [Member] | Employee Severance [Member] | Q2 2015 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net	1,850
Human Health [Member] | Employee Severance [Member] | Q3 2014 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net		7,126
Human Health [Member] | Employee Severance [Member] | Q2 2014 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net			545
Human Health [Member] | Employee Severance [Member] | Q1 2014 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net				370
Human Health [Member] | Contract Termination [Member] | 2015 Contract Termination Charges [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net					0
Human Health [Member] | Contract Termination [Member] | 2014 Contract Termination Charges [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net						0
Environmental Health [Member] | Employee Severance [Member] | Q2 2015 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net	$ 4,160
Environmental Health [Member] | Employee Severance [Member] | Q3 2014 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net		$ 5,925
Environmental Health [Member] | Employee Severance [Member] | Q2 2014 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net			$ 190
Environmental Health [Member] | Employee Severance [Member] | Q1 2014 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net				$ 197
Environmental Health [Member] | Contract Termination [Member] | 2015 Contract Termination Charges [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net					$ 25
Environmental Health [Member] | Contract Termination [Member] | 2014 Contract Termination Charges [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net						$ 1,545

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Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 28, 2015	Jun. 29, 2014
Operating activities:
Net income	$ 89,308	$ 84,714
Less: (gain) loss from discontinued operations and dispositions, net of income taxes	(1)	2,240
Income from continuing operations	89,307	86,954
Adjustments to reconcile net income from continuing operations to net cash provided by continuing operations:
Restructuring and contract termination charges, net	4,956	2,877
Depreciation and amortization	56,593	57,907
Stock-based compensation	8,193	9,319
Amortization of deferred debt financing costs and accretion of discount	677	662
Amortization of acquired inventory revaluation	6,467	0
Changes in operating assets and liabilities which provided (used) cash, excluding effects from companies purchased and divested:
Accounts receivable, net	30,843	23,434
Inventories	(33,327)	(15,737)
Accounts payable	(1,541)	(11,867)
Accrued expenses and other	(61,007)	(30,979)
Net cash provided by operating activities of continuing operations	101,161	122,570
Net cash used in operating activities of discontinued operations	(27)	(464)
Net cash provided by operating activities	101,134	122,106
Investing activities:
Capital expenditures	(10,099)	(14,447)
Proceeds from surrender of life insurance policies	0	425
Changes in restricted cash balances	(59)	0
Activity related to acquisitions and investments, net of cash and cash equivalents acquired	(18,735)	(350)
Net cash used in investing activities of continuing operations	(28,775)	(14,372)
Net cash used in investing activities of discontinued operations	0	(213)
Net cash used in investing activities	(28,775)	(14,585)
Financing activities:
Payments on revolving credit facility	(249,000)	(232,000)
Proceeds from revolving credit facility	184,000	193,000
Payments of debt financing costs	0	(1,845)
Settlement of hedges	23,468	0
Net proceeds from (payments on) other credit facilities	344	(507)
Proceeds from issuance of common stock under stock plans	12,669	19,454
Purchases of common stock	(4,095)	(38,976)
Dividends paid	(15,799)	(15,809)
Net cash used in financing activities	(48,413)	(76,683)
Effect of exchange rate changes on cash and cash equivalents	(6,597)	1,178
Net increase in cash and cash equivalents	17,349	32,016
Cash and cash equivalents at beginning of period	174,821	173,242
Cash and cash equivalents at end of period	$ 192,170	$ 205,258

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Stock Plans (Summary of Stock Option Activity) (Details) - Jun. 28, 2015 - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	Total	Total
Stock option activity
Number of Shares, Outstanding at beginning of period		2,828
Number of Shares, Granted	0	484
Number of Shares, Exercised		(728)
Number of Shares, Canceled		(3)
Number of Shares, Forfeited		(78)
Number of Shares, Outstanding at end of period	2,503	2,503
Number of Shares, Exercisable at end of period	1,619	1,619
Number of Shares, Vested and expected to vest in the future	2,435	2,435
Weighted-Average Price, Outstanding at beginning of period		$ 26.11
Weighted-Average Price, Granted		46.22
Weighted-Average Price, Exercised		17.39
Weighted-Average Price, Canceled		22.49
Weighted-Average Price, Forfeited		30.63
Weighted-Average Price, Outstanding at end of period	$ 32.40	32.40
Weighted-Average Price, Exercisable at end of period	26.33	26.33
Weighted-Average Price, Vested and expected to vest in the future	$ 32.14	$ 32.14
Weighted-Average Remaining Contractual Term in Years, Outstanding at end of period		4 years 1 month
Weighted-Average Remaining Contractual Term in Years, Exercisable at end of period		3 years
Weighted-Average Remaining Contractual Term in Years, Vested and expected to vest in the future		4 years
Total Intrinsic Value, Outstanding at end of period	$ 49.3	$ 49.3
Total Intrinsic Value, Exercisable at end of period	41.7	41.7
Total Intrinsic Value, Vested and expected to vest in the future	$ 48.6	$ 48.6

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Goodwill and Intangible Assets, Net (Tables)

6 Months Ended

Jun. 28, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in the Carrying Amount of Goodwill

The changes in the carrying amount of goodwill for the period ended June 28, 2015 from December 28, 2014 were as follows:

	Human Health			Environmental Health			Consolidated
	(In thousands)
Balance at December 28, 2014	$	1,662,755		$	621,322		$	2,284,077
Foreign currency translation	(15,453		)	(6,483		)	(21,936		)
Acquisitions and other	33			13,724			13,757
Balance at June 28, 2015	$	1,647,335		$	628,563		$	2,275,898

Identifiable Intangible Asset Balances

Identifiable intangible asset balances at June 28, 2015 and December 28, 2014 by category were as follows:

	June 28, 2015			December 28, 2014
	(In thousands)
Patents	$	39,923		$	39,953
Less: Accumulated amortization	(28,484		)	(27,200		)
Net patents	11,439			12,753
Trade names and trademarks	40,223			40,069
Less: Accumulated amortization	(18,852		)	(16,936		)
Net trade names and trademarks	21,371			23,133
Licenses	59,441			59,631
Less: Accumulated amortization	(43,623		)	(41,792		)
Net licenses	15,818			17,839
Core technology	299,785			298,491
Less: Accumulated amortization	(199,087		)	(184,697		)
Net core technology	100,698			113,794
Customer relationships	403,312			402,185
Less: Accumulated amortization	(175,018		)	(156,994		)
Net customer relationships	228,294			245,191
IPR&D	9,660			10,103
Less: Accumulated amortization	(3,613		)	(3,132		)
Net IPR&D	6,047			6,971
Net amortizable intangible assets	383,667			419,681
Non-amortizing intangible assets:
Trade names and trademarks	70,584			70,584
Total	$	454,251		$	490,265

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Employee Benefit Plans (Components of Net Periodic Benefit Cost (Credit)) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2015	Jun. 29, 2014	Jun. 28, 2015	Jun. 29, 2014
Foreign Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Contributions by Employer			$ 5,700	$ 1,900
Defined Benefit Pension Benefits [Member]
Components of net periodic benefit cost (credit)
Service cost	$ 1,085	$ 1,034	2,191	2,064
Interest cost	5,176	5,931	10,426	11,847
Expected return on plan assets	(6,510)	(6,280)	(13,022)	(12,543)
Defined Benefit Plan, Curtailments	(816)	0	(816)	0
Defined Benefit Plan, Actuarial Gain (Loss)	(821)	0	(821)	0
Amortization of prior service	(59)	(71)	(123)	(142)
Net periodic benefit cost (credit)	(303)	614	(523)	1,226
Postretirement Medical Benefits [Member]
Components of net periodic benefit cost (credit)
Service cost	27	24	54	48
Interest cost	36	39	72	77
Expected return on plan assets	(266)	(241)	(532)	(482)
Defined Benefit Plan, Curtailments	0	0	0	0
Defined Benefit Plan, Actuarial Gain (Loss)	0	0	0	0
Amortization of prior service	0	0	0	0
Net periodic benefit cost (credit)	$ (203)	$ (178)	$ (406)	(357)
United States Pension Plan of US Entity [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Contributions by Employer				$ 20,000

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Derivatives And Hedging Activities

6 Months Ended

Jun. 28, 2015

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivatives and Hedging Activities

Derivatives and Hedging Activities

The Company uses derivative instruments as part of its risk management strategy only, and includes derivatives utilized as economic hedges that are not designated as hedging instruments. By nature, all financial instruments involve market and credit risks. The Company enters into derivative instruments with major investment grade financial institutions and has policies to monitor the credit risk of those counterparties. The Company does not enter into derivative contracts for trading or other speculative purposes, nor does the Company use leveraged financial instruments. Approximately 60% of the Company’s business is conducted outside of the United States, generally in foreign currencies. The fluctuations in foreign currency can increase the costs of financing, investing and operating the business. The intent of these economic hedges is to offset gains and losses that occur on the underlying exposures from these currencies, with gains and losses resulting from the forward currency contracts that hedge these exposures.

In the ordinary course of business, the Company enters into foreign exchange contracts for periods consistent with its committed exposures to mitigate the effect of foreign currency movements on transactions denominated in foreign currencies. Transactions covered by hedge contracts include intercompany and third-party receivables and payables. The contracts are primarily in European and Asian currencies, have maturities that do not exceed 12 months, have no cash requirements until maturity, and are recorded at fair value on the Company’s condensed consolidated balance sheets. The unrealized gains and losses on the Company’s foreign currency contracts are recognized immediately in earnings, included in interest and other expense, net. The cash flows related to the settlement of these hedges are included in cash flows from operating activities within the Company’s condensed consolidated statement of cash flows.

Principal hedged currencies include the British Pound, Euro, Japanese Yen and Singapore Dollar. The Company held forward foreign exchange contracts, designated as economic hedges, with U.S. dollar equivalent notional amounts totaling $101.6 million, $95.0 million and $109.7 million at June 28, 2015, December 28, 2014 and June 29, 2014, respectively, and the fair value of these foreign currency derivative contracts was insignificant. The gains and losses realized on these foreign currency derivative contracts are not material. The duration of these contracts was generally 30 days or less during each of the six months ended June 28, 2015 and June 29, 2014.

In addition, in connection with certain intercompany loan agreements the Company enters into forward foreign exchange contracts intended to hedge movements in foreign exchange rates prior to settlement of such intercompany loans denominated in foreign currencies. The Company records these hedges at fair value on the Company’s condensed consolidated balance sheets. The unrealized gains and losses on these hedges, as well as the gains and losses associated with the remeasurement of the intercompany loans, are recognized immediately in earnings, included in interest and other expense, net. The cash flows related to the settlement of these hedges are included in cash flows from financing activities within the Company’s condensed consolidated statement of cash flows.

During the six months ended June 28, 2015, the Company settled several of these forward exchange contracts and entered into three new contracts that will settle in fiscal year 2015. The combined Euro denominated notional amounts of these outstanding hedges was €156.1 million and €238.2 million as of June 28, 2015 and December 28, 2014, respectively. The net gains and losses on these derivatives, combined with the gains and losses on the remeasurement of the hedged intercompany loans were not material for the six months ending June 28, 2015. The Company received $23.5 million as a result of the settlement of these hedges in the six months ended June 28, 2015.

The Company does not expect any material net pre-tax gains or losses to be reclassified from accumulated other comprehensive income into interest and other expense, net within the next twelve months.

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Warranty Reserves (Tables)

6 Months Ended

Jun. 28, 2015

Product Warranties Disclosures [Abstract]

Warranty Reserve Activity

A summary of warranty reserve activity for the three and six months ended June 28, 2015 and June 29, 2014 is as follows:

	Three Months Ended						Six Months Ended
	June 28, 2015			June 29, 2014			June 28, 2015			June 29, 2014
	(In thousands)
Balance at beginning of period	$	10,871		$	10,357		$	10,783		$	10,534
Provision charged to income	4,330			4,332			8,488			8,409
Payments	(3,984		)	(4,388		)	(7,746		)	(8,355		)
Adjustments to previously provided warranties, net	(550		)	471			(471		)	174
Foreign currency translation and acquisitions	143			14			(244		)	24
Balance at end of period	$	10,810		$	10,786		$	10,810		$	10,786

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Contingencies

6 Months Ended

Jun. 28, 2015

Commitments and Contingencies Disclosure [Abstract]

Contingencies

Contingencies

The Company is conducting a number of environmental investigations and remedial actions at current and former locations of the Company and, along with other companies, has been named a potentially responsible party (“PRP”) for certain waste disposal sites. The Company accrues for environmental issues in the accounting period that the Company’s responsibility is established and when the cost can be reasonably estimated. The Company has accrued $12.1 million and $12.3 million as of June 28, 2015 and December 28, 2014, respectively, which represents its management’s estimate of the cost of the remediation of known environmental matters, and does not include any potential liability for related personal injury or property damage claims. The Company's environmental accrual is not discounted and does not reflect the recovery of any material amounts through insurance or indemnification arrangements. The cost estimates are subject to a number of variables, including the stage of the environmental investigations, the magnitude of the possible contamination, the nature of the potential remedies, possible joint and several liability, the time period over which remediation may occur, and the possible effects of changing laws and regulations. For sites where the Company has been named a PRP, management does not currently anticipate any additional liability to result from the inability of other significant named parties to contribute. The Company expects that the majority of such accrued amounts could be paid out over a period of up to ten years. As assessment and remediation activities progress at each individual site, these liabilities are reviewed and adjusted to reflect additional information as it becomes available. There have been no environmental problems to date that have had, or are expected to have, a material adverse effect on the Company’s condensed consolidated financial statements. While it is possible that a loss exceeding the amounts recorded in the condensed consolidated financial statements may be incurred, the potential exposure is not expected to be materially different from those amounts recorded.

The Company is subject to various claims, legal proceedings and investigations covering a wide range of matters that arise in the ordinary course of its business activities. Although the Company has established accruals for potential losses that it believes are probable and reasonably estimable, in the opinion of the Company’s management, based on its review of the information available at this time, the total cost of resolving these contingencies at June 28, 2015 should not have a material adverse effect on the Company’s condensed consolidated financial statements. However, each of these matters is subject to uncertainties, and it is possible that some of these matters may be resolved unfavorably to the Company.

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Fair Value Measurements (Assets and Liabilities Carried at Fair Value Measured on a Recurring Basis) (Details) - USD ($) $ in Thousands	Jun. 28, 2015	Mar. 29, 2015	Dec. 28, 2014	Jun. 29, 2014	Mar. 30, 2014	Dec. 29, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value	$ 475	$ 81	$ 91	$ 3,430	$ 4,981	$ 4,926
Fair Value, Measurements, Recurring [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Marketable securities	1,633		1,568
Foreign exchange derivative assets, net	(160)		(3,205)
Foreign exchange derivative liabilities, net	(6,017)		(302)
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value	475		91
Fair Value, Measurements, Recurring [Member] | Quoted Prices In Active Markets (Level 1) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Marketable securities	1,633		1,568
Foreign exchange derivative assets, net	0		0
Foreign exchange derivative liabilities, net	0		0
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value	0		0
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Marketable securities	0		0
Foreign exchange derivative assets, net	(160)		(3,205)
Foreign exchange derivative liabilities, net	(6,017)		(302)
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value	0		0
Fair Value, Measurements, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Marketable securities	0		0
Foreign exchange derivative assets, net	0		0
Foreign exchange derivative liabilities, net	0		0
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value	$ 475		$ 91

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Basis of Presentation

6 Months Ended

Jun. 28, 2015

Accounting Policies [Abstract]

Basis of Accounting [Text Block]

Basis of Presentation

The condensed consolidated financial statements included herein have been prepared by PerkinElmer, Inc. (the “Company”), without audit, in accordance with accounting principles generally accepted in the United States of America (the “U.S.” or the "United States") and pursuant to the rules and regulations of the Securities and Exchange Commission (the “SEC”). Certain information in the footnote disclosures of the financial statements has been condensed or omitted where it substantially duplicates information provided in the Company’s latest audited consolidated financial statements, in accordance with the rules and regulations of the SEC. These condensed consolidated financial statements should be read in conjunction with the Company’s audited consolidated financial statements and notes included in its Annual Report on Form 10-K for the fiscal year ended December 28, 2014, filed with the SEC (the “2014 Form 10-K”). The balance sheet amounts at December 28, 2014 in this report were derived from the Company’s audited 2014 consolidated financial statements included in the 2014 Form 10-K. The condensed consolidated financial statements reflect all adjustments that, in the opinion of management, are necessary to present fairly the Company’s financial position, results of operations and cash flows for the periods indicated. The preparation of financial statements in conformity with U.S. Generally Accepted Accounting Principles (“GAAP”) requires management to make estimates and assumptions that affect the reported amounts and classifications of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. The results of operations for the three and six months ended June 28, 2015 and June 29, 2014, respectively, are not necessarily indicative of the results for the entire fiscal year or any future period. The Company has evaluated subsequent events from June 28, 2015 through the date of the issuance of these condensed consolidated financial statements and has determined that other than the events the Company has disclosed within the footnotes to the financial statements, no material subsequent events have occurred that would affect the information presented in these condensed consolidated financial statements or would require additional disclosure.

The Company’s fiscal year ends on the Sunday nearest December 31. The Company reports fiscal years under a 52/53 week format. Under this method, certain years will contain 53 weeks. The fiscal year ending January 3, 2016 ("fiscal year 2015") will include 53 weeks and the extra week will be included in the third quarter. The fiscal year ended December 28, 2014 ("fiscal year 2014") included 52 weeks.

Recently Adopted and Issued Accounting Pronouncements: From time to time, new accounting pronouncements are issued by the Financial Accounting Standards Board and are adopted by the Company as of the specified effective dates. Unless otherwise discussed, such pronouncements did not have or will not have a significant impact on the Company’s condensed consolidated financial position, results of operations and cash flows or do not apply to the Company’s operations.

In May 2014, the Financial Accounting Standards Board issued Accounting Standards Update No. 2014-09, Revenue from Contracts with Customers. Under this new guidance, an entity should use a five-step process to recognize revenue, which depicts the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. The standard also requires new disclosures regarding the nature, amount, timing and uncertainty of revenue and cash flows arising from contracts with customers. The initial provisions of this guidance are effective for interim and annual periods beginning after December 15, 2016. Subsequent to the issuance of the standard, the Financial Accounting Standards Board decided to defer the effective date for one year to annual periods beginning after December 15, 2017, with early adoption permitted for annual periods beginning after December 15, 2016. The Company is evaluating the requirements of this guidance and has not yet determined the impact of its adoption on the Company’s consolidated financial position, results of operations and cash flows.

In April 2015, the Financial Accounting Standards Board issued Accounting Standards Update No. 2015-04, Practical Expedient for the Measurement Date of an Employer’s Defined Benefit Obligation and Plan Assets. Under this new guidance, an entity with a fiscal year-end that does not coincide with a calendar month-end (for example an entity that has a 52/53 week fiscal year) has the ability, as a practical expedient, to measure its defined benefit retirement obligations and related plan assets as of the month-end that is closest to its fiscal year end. During the second quarter of fiscal year 2015, the Company early adopted the new guidance. The adoption did not have a material impact on the Company's consolidated financial position, results of operations and cash flows.

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Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2015	Jun. 29, 2014	Jun. 28, 2015	Jun. 29, 2014
Net income	$ 48,974	$ 50,490	$ 89,308	$ 84,714
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Foreign currency translation adjustments	12,271	2,706	(11,426)	3,340
Unrealized (losses) gains on securities, net of tax	(34)	2	(63)	(30)
Other comprehensive income (loss)	12,237	2,708	(11,489)	3,310
Comprehensive income	$ 61,211	$ 53,198	$ 77,819	$ 88,024

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Stockholders' Equity

6 Months Ended

Jun. 28, 2015

Stockholders' Equity Note [Abstract]

Stockholders' Equity

Stockholders’ Equity

Comprehensive Income:

The components of accumulated other comprehensive income consisted of the following:

	June 28, 2015			December 28, 2014
	(In thousands)
Foreign currency translation adjustments	$	11,906		$	23,332
Unrecognized prior service costs, net of income taxes	1,575			1,575
Unrealized net losses on securities, net of income taxes	(170		)	(107		)
Accumulated other comprehensive income	$	13,311		$	24,800

Stock Repurchases:

On October 23, 2014, the Board of Directors (the "Board") authorized the Company to repurchase up to 8.0 million shares of common stock under a stock repurchase program (the "Repurchase Program"). The Repurchase Program will expire on October 23, 2016 unless terminated earlier by the Board, and may be suspended or discontinued at any time. During the six months ended June 28, 2015, the Company did not repurchase shares of common stock in the open market, under the Repurchase Program. As of June 28, 2015, 7.4 million shares remained available for repurchase under the Repurchase Program.

In addition, the Board has authorized the Company to repurchase shares of common stock to satisfy minimum statutory tax withholding obligations in connection with the vesting of restricted stock awards and restricted stock unit awards granted pursuant to the Company’s equity incentive plans and to satisfy obligations related to the exercise of stock options made pursuant to the Company's equity incentive plans. During the six months ended June 28, 2015, the Company repurchased 88,456 shares of common stock for this purpose at an aggregate cost of $4.1 million. The repurchased shares have been reflected as additional authorized but unissued shares, with the payments reflected in common stock and capital in excess of par value.

Dividends:

The Board declared a regular quarterly cash dividend of $0.07 per share for each of the first two quarters of fiscal year 2015 and in each quarter of fiscal year 2014. At June 28, 2015, the Company has accrued $7.9 million for dividends declared on April 27, 2015 for the second quarter of fiscal year 2015, payable in August 2015. On July 22, 2015, the Company announced that the Board had declared a quarterly dividend of $0.07 per share for the third quarter of fiscal year 2015 that will be payable in November 2015. In the future, the Board may determine to reduce or eliminate the Company’s common stock dividend in order to fund investments for growth, repurchase shares or conserve capital resources.

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Document and Entity Information - shares	6 Months Ended
	Jun. 28, 2015	Jul. 30, 2015
Document and Entity Information [Abstract]
Entity Registrant Name	PERKINELMER INC
Entity Central Index Key	0000031791
Current Fiscal Year End Date	--01-03
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Jun. 28, 2015
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q2
Amendment Flag	false
Entity Common Stock, Shares Outstanding		113,383,409
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes

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Stock Plans

6 Months Ended

Jun. 28, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Stock Plans

Stock Plans

In addition to the Company's Employee Stock Purchase Plan, the Company utilizes one stock-based compensation plan, the 2009 Incentive Plan (the “2009 Plan”). Under the 2009 Plan, 10.0 million shares of the Company's common stock are authorized for stock option grants, restricted stock awards, performance units and stock grants as part of the Company’s compensation programs. In addition to shares of the Company’s common stock originally authorized for issuance under the 2009 Plan, the 2009 Plan includes shares of the Company’s common stock previously granted under the Amended and Restated 2001 Incentive Plan and the 2005 Incentive Plan that were canceled or forfeited without the shares being issued.

The following table summarizes total pre-tax compensation expense recognized related to the Company’s stock options, restricted stock, restricted stock units, performance units and stock grants, net of estimated forfeitures, included in the Company’s condensed consolidated statements of operations for the three and six months ended June 28, 2015 and June 29, 2014:

	Three Months Ended				Six Months Ended
	June 28, 2015		June 29, 2014		June 28, 2015		June 29, 2014
	(In thousands)
Cost of product and service revenue	$	392	$	337	$	640	$	671
Research and development expenses	141		220		300		360
Selling, general and administrative expenses	3,673		4,246		7,253		8,288
Total stock-based compensation expense	$	4,206	$	4,803	$	8,193	$	9,319

The total income tax benefit recognized in the condensed consolidated statements of operations for stock-based compensation was $1.4 million and $2.7 million for the three and six months ended June 28, 2015, respectively. The total income tax benefit recognized in the condensed consolidated statements of operations for stock-based compensation was $1.8 million and $3.5 million for the three and six months ended June 29, 2014, respectively. Stock-based compensation costs capitalized as part of inventory were $0.3 million and $0.4 million as of June 28, 2015 and June 29, 2014, respectively.

Stock Options: The fair value of each option grant is estimated using the Black-Scholes option pricing model. The Company’s weighted-average assumptions used in the Black-Scholes option pricing model were as follows:

	Three and Six Months Ended
	June 28, 2015		June 29, 2014
Risk-free interest rate	1.3	%	1.5	%
Expected dividend yield	0.6	%	0.7	%
Expected term	5 years		5 years
Expected stock volatility	26.5	%	30.9	%

The following table summarizes stock option activity for the six months ended June 28, 2015:

	Number of Shares		Weighted- Average Exercise Price		Weighted-Average Remaining Contractual Term	Total Intrinsic Value
	(In thousands)				(In years)	(In millions)
Outstanding at December 28, 2014	2,828		$	26.11
Granted	484		46.22
Exercised	(728	)	17.39
Canceled	(3	)	22.49
Forfeited	(78	)	30.63
Outstanding at June 28, 2015	2,503		$	32.40	4.1	$	49.3
Exercisable at June 28, 2015	1,619		$	26.33	3.0	$	41.7
Vested and expected to vest in the future	2,435		$	32.14	4.0	$	48.6

The Company did not grant any options during the three months ended June 28, 2015. The weighted-average per-share grant-date fair value of options granted during the six months ended June 28, 2015 was $10.99. The weighted-average per-share grant-date fair value of options granted during the three and six months ended June 29, 2014 was $11.80 and $11.84, respectively. The total intrinsic value of options exercised during the three and six months ended June 28, 2015 was $4.3 million and $21.9 million, respectively. The total intrinsic value of options exercised during the three and six months ended June 29, 2014 was $11.1 million and $17.6 million, respectively. Cash received from option exercises for the six months ended June 28, 2015 and June 29, 2014 was $12.7 million and $19.5 million, respectively.

The total compensation expense recognized related to the Company’s outstanding options was $1.1 million and $1.9 million for the three and six months ended June 28, 2015, respectively, and $1.4 million and $2.9 million for the three and six months ended June 29, 2014, respectively.

There was $8.1 million of total unrecognized compensation cost related to nonvested stock options granted as of June 28, 2015. This cost is expected to be recognized over a weighted-average period of 2.1 years and will be adjusted for any future changes in estimated forfeitures.

Restricted Stock Awards: The following table summarizes restricted stock award activity for the six months ended June 28, 2015:

	Number of Shares		Weighted- Average Grant- Date Fair Value
	(In thousands)
Nonvested at December 28, 2014	558		$	35.51
Granted	220		46.59
Vested	(229	)	30.38
Forfeited	(25	)	40.02
Nonvested at June 28, 2015	524		$	42.18

The weighted-average per-share grant-date fair value of restricted stock awards granted during the three and six months ended June 28, 2015 was $51.13 and $46.59, respectively. The weighted-average per-share grant-date fair value of restricted stock awards granted during the three and six months ended June 29, 2014 was $43.19 and $42.61, respectively. The fair value of restricted stock awards vested during the three and six months ended June 28, 2015 was $0.3 million and $7.0 million, respectively. The fair value of restricted stock awards vested during the three and six months ended June 29, 2014 was $0.2 million and $7.0 million, respectively. The total compensation expense recognized related to the Company’s outstanding restricted stock awards was $2.3 million and $4.3 million for the three and six months ended June 28, 2015, respectively, and $1.9 million and $3.9 million for the three and six months ended June 29, 2014, respectively.

As of June 28, 2015, there was $15.0 million of total unrecognized compensation cost related to nonvested restricted stock awards. That cost is expected to be recognized over a weighted-average period of 1.7 years.

Performance Units: The Company granted 66,509 and 79,463 performance units during the six months ended June 28, 2015 and June 29, 2014, respectively, as part of the Company’s executive incentive program. The weighted-average per-share grant-date fair value of performance units granted during the six months ended June 28, 2015 and June 29, 2014 was $46.83 and $42.84, respectively. During the six months ended June 28, 2015, 8,860 performance units were forfeited. During the six months ended June 29, 2014, no performance units were forfeited. The total compensation expense recognized related to performance units was $0.1 million and $1.2 million for the three and six months ended June 28, 2015, respectively, and expenses of $0.7 million and $1.7 million for the three and six months ended June 29, 2014, respectively. As of June 28, 2015, there were 201,415 performance units outstanding and subject to forfeiture, with a corresponding liability of $3.3 million recorded in accrued expenses and other current liabilities.

Stock Awards: The Company generally grants stock awards only to non-employee members of the Board. The Company granted 1,953 shares and 2,373 shares to each non-employee member of the Board during the six months ended June 28, 2015 and June 29, 2014, respectively. The Company also granted 544 shares to a new non-employee member of the Board during the three months ended March 29, 2015. The weighted-average per-share grant-date fair value of the stock awards granted during the six months ended June 28, 2015 and June 29, 2014 was $51.01 and $42.14, respectively. The total compensation expense recognized related to these stock awards was $0.7 million for each of the six months ended June 28, 2015 and June 29, 2014.

Employee Stock Purchase Plan: During the six months ended June 28, 2015, the Company issued 29,565 shares of common stock under the Company's Employee Stock Purchase Plan at a weighted-average price of $41.54 per share. During the six months ended June 29, 2014, the Company issued 31,854 shares of common stock under the Company's Employee Stock Purchase Plan at a weighted-average price of $39.17 per share. At June 28, 2015, an aggregate of 1.0 million shares of the Company’s common stock remained available for sale to employees out of the 5.0 million shares authorized by shareholders for issuance under this plan.

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Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 28, 2015	Dec. 28, 2014
Current assets:
Cash and cash equivalents	$ 192,170	$ 174,821
Accounts receivable, net	425,698	470,563
Inventories	304,754	285,457
Other current assets	147,706	137,710
Total current assets	1,070,328	1,068,551
Property, plant and equipment, net:
At cost	492,497	492,814
Accumulated depreciation	(326,180)	(316,620)
Property, plant and equipment, net	166,317	176,194
Marketable securities and investments	1,633	1,568
Intangible assets, net	454,251	490,265
Goodwill	2,275,898	2,284,077
Other assets, net	114,329	113,420
Total assets	4,082,756	4,134,075
Current liabilities:
Current portion of long-term debt	1,974	1,075
Accounts payable	170,677	173,953
Accrued expenses and other current liabilities	15,402	17,124
Accrued expenses and other current liabilities	384,182	403,021
Current liabilities of discontinued operations	2,109	2,137
Total current liabilities	574,344	597,310
Long-term debt	986,452	1,051,892
Long-term liabilities	401,056	442,771
Total liabilities	$ 1,961,852	$ 2,091,973
Commitments and contingencies (see Note 18)
Stockholders' equity:
Preferred stock—$1 par value per share, authorized 1,000,000 shares; none issued or outstanding	$ 0	$ 0
Common stock—$1 par value per share, authorized 300,000,000 shares; issued and outstanding 113,355,000 shares and 112,481,000 shares at June 28, 2015 and at December 28, 2014, respectively	113,355	112,481
Capital in excess of par value	110,239	94,276
Retained earnings	1,883,999	1,810,545
Accumulated other comprehensive income	13,311	24,800
Total stockholders’ equity	2,120,904	2,042,102
Total liabilities and stockholders’ equity	$ 4,082,756	$ 4,134,075

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Inventories, Net

6 Months Ended

Jun. 28, 2015

Inventory Disclosure [Abstract]

Inventories, Net

Inventories

Inventories as of June 28, 2015 and December 28, 2014 consisted of the following:

	June 28, 2015		December 28, 2014
	(In thousands)
Raw materials	$	101,973	$	96,169
Work in progress	21,895		18,783
Finished goods	180,886		170,505
Total inventories	$	304,754	$	285,457

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Interest and Other Expense (Income), Net

6 Months Ended

Jun. 28, 2015

Other Income and Expenses [Abstract]

Interest and Other Expense (Income), Net

Interest and Other Expense, Net

Interest and other expense, net, consisted of the following:

	Three Months Ended						Six Months Ended
	June 28, 2015			June 29, 2014			June 28, 2015			June 29, 2014
	(In thousands)
Interest income	$	(132	)	$	(151	)	$	(341	)	$	(245	)
Interest expense	9,302			9,079			18,690			18,298
Other expense, net	1,673			36			1,915			2,200
Total interest and other expense, net	$	10,843		$	8,964		$	20,264		$	20,253

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Fair Value Measurements

6 Months Ended

Jun. 28, 2015

Fair Value Disclosures [Abstract]

Fair Value Measurements

Fair Value Measurements

Financial instruments that potentially subject the Company to concentrations of credit risk consist principally of cash equivalents, derivatives, marketable securities and accounts receivable. The Company believes it had no significant concentrations of credit risk as of June 28, 2015.

The Company uses the market approach technique to value its financial instruments and there were no changes in valuation techniques during the six months ended June 28, 2015. The Company’s financial assets and liabilities carried at fair value are primarily comprised of marketable securities, derivative contracts used to hedge the Company’s currency risk, and acquisition-related contingent consideration. The Company has not elected to measure any additional financial instruments or other items at fair value.

Valuation Hierarchy: The following summarizes the three levels of inputs required to measure fair value. For Level 1 inputs, the Company utilizes quoted market prices as these instruments have active markets. For Level 2 inputs, the Company utilizes quoted market prices in markets that are not active, broker or dealer quotations, or utilizes alternative pricing sources with reasonable levels of price transparency. For Level 3 inputs, the Company utilizes unobservable inputs based on the best information available, including estimates by management primarily based on information provided by third-party fund managers, independent brokerage firms and insurance companies. A financial asset’s or liability’s classification within the hierarchy is determined based on the lowest level input that is significant to the fair value measurement. In determining fair value, the Company utilizes valuation techniques that maximize the use of observable inputs and minimize the use of unobservable inputs to the extent possible.

The following tables show the assets and liabilities carried at fair value measured on a recurring basis as of June 28, 2015 and December 28, 2014 classified in one of the three classifications described above:

				Fair Value Measurements at June 28, 2015 Using:
	Total Carrying Value at June 28, 2015			Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)
	(In thousands)
Marketable securities	$	1,633		$	1,633	$	—		$	—
Foreign exchange derivative assets	160			—		160			—
Foreign exchange derivative liabilities	(6,017		)	—		(6,017		)	—
Contingent consideration	(475		)	—		—			(475		)

				Fair Value Measurements at December 28, 2014 Using:
	Total Carrying Value at December 28, 2014			Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)			Significant Unobservable  Inputs (Level 3)
	(In thousands)
Marketable securities	$	1,568		$	1,568	$	—		$	—
Foreign exchange derivative assets	3,205			—		3,205			—
Foreign exchange derivative liabilities	(302		)	—		(302		)	—
Contingent consideration	(91		)	—		—			(91		)

Level 1 and Level 2 Valuation Techniques:  The Company’s Level 1 and Level 2 assets and liabilities are comprised of investments in equity and fixed-income securities as well as derivative contracts. For financial assets and liabilities that utilize Level 1 and Level 2 inputs, the Company utilizes both direct and indirect observable price quotes, including common stock price quotes, foreign exchange forward prices and bank price quotes. Below is a summary of valuation techniques for Level 1 and Level 2 financial assets and liabilities.

Marketable securities:    Include equity and fixed-income securities measured at fair value using the quoted market prices in active markets at the reporting date.

Foreign exchange derivative assets and liabilities:    Include foreign exchange derivative contracts that are valued using quoted forward foreign exchange prices at the reporting date. The Company’s foreign exchange derivative contracts are subject to master netting arrangements that allow the Company and its counterparties to net settle amounts owed to each other. Derivative assets and liabilities that can be net settled under these arrangements have been presented in the Company's consolidated balance sheet on a net basis and are recorded in other assets. As of both June 28, 2015 and December 28, 2014, none of the master netting arrangements involved collateral.

Level 3 Valuation Techniques:  The Company’s Level 3 liabilities are comprised of contingent consideration related to acquisitions. For liabilities that utilize Level 3 inputs, the Company uses significant unobservable inputs. Below is a summary of valuation techniques for Level 3 liabilities.

Contingent consideration:    The Company has classified its net liabilities for contingent consideration relating to its acquisitions within Level 3 of the fair value hierarchy because the fair value is determined using significant unobservable inputs, which included probability weighted cash flows. A description of the significant acquisitions is included within Note 2 to the Company's audited consolidated financial statements filed with the 2014 Form 10-K. Contingent consideration is measured at fair value at the acquisition date, based on the probability that revenue thresholds or product development milestones will be achieved during the earnout period. Increases or decreases in the fair value of contingent consideration liabilities primarily result from changes in the estimated probabilities of achieving revenue thresholds or product development milestones during the earnout period. The Company may have to pay contingent consideration, related to acquisitions with open contingency periods, of up to $32.5 million as of June 28, 2015. As of June 28, 2015, the Company had recorded contingent consideration obligations, which were assumed as part of the Perten acquisition, with an estimated fair value of $0.5 million. The earnout period for acquisitions with open contingency periods does not exceed three years from the respective acquisition date, and the remaining weighted average earnout period at June 28, 2015 was four months.

A reconciliation of the beginning and ending Level 3 net liabilities for contingent consideration is as follows:

	Three Months Ended						Six Months Ended
	June 28, 2015			June 29, 2014			June 28, 2015			June 29, 2014
	(In thousands)
Balance at beginning of period	$	(81	)	$	(4,981	)	$	(91	)	$	(4,926	)
Additions	(475		)	—			(475		)	—
Amounts paid and foreign currency translation	—			(72		)	10			(72		)
Change in fair value (included within selling, general and administrative expenses)	81			1,623			81			1,568
Balance at end of period	$	(475	)	$	(3,430	)	$	(475	)	$	(3,430	)

The carrying amounts of cash and cash equivalents, accounts receivable, accounts payable and accrued expenses approximate fair value due to the short-term maturities of these assets and liabilities. If measured at fair value, cash and cash equivalents would be classified as Level 1.

The Company’s senior unsecured revolving credit facility, which provides for $700.0 million of revolving loans, had amounts outstanding, excluding letters of credit, of $451.0 million and $516.0 million as of June 28, 2015 and December 28, 2014, respectively. The interest rate on the Company’s senior unsecured revolving credit facility is reset at least monthly to correspond to variable rates that reflect currently available terms and conditions for similar debt. The Company had no change in credit standing during the first six months of fiscal year 2015. Consequently, the carrying value of the current year and prior year credit facilities approximate fair value and would be classified as Level 2.

The Company's 2021 Notes, with a face value of $500.0 million, had an aggregate carrying value of $497.8 million, net of $2.2 million of unamortized original issue discount, and a fair value of $526.7 million as of June 28, 2015. The 2021 Notes had an aggregate carrying value of $497.7 million, net of $2.3 million of unamortized original issue discount, and a fair value of $542.7 million as of December 28, 2014. The fair value of the 2021 Notes is estimated using market quotes from brokers and is based on current rates offered for similar debt.

The Company's financing lease obligations had an aggregate carrying value of $38.7 million and $39.3 million as of June 28, 2015 and December 28, 2014, respectively. The carrying values of the Company's financing lease obligations approximated their fair value as there has been minimal change in the Company's incremental borrowing rate. As of June 28, 2015, the 2021 Notes and financing lease obligations were classified as Level 2.

As of June 28, 2015, there has not been any significant impact to the fair value of the Company’s derivative liabilities due to credit risk. Similarly, there has not been any significant adverse impact to the Company’s derivative assets based on the evaluation of its counterparties’ credit risks.

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Goodwill and Intangible Assets, Net

6 Months Ended

Jun. 28, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets, Net

Goodwill and Intangible Assets, Net

The Company tests goodwill and non-amortizing intangible assets at least annually for possible impairment. Accordingly, the Company completes the annual testing of impairment for goodwill and non-amortizing intangible assets on the later of January 1 or the first day of each fiscal year. In addition to its annual test, the Company regularly evaluates whether events or circumstances have occurred that may indicate a potential impairment of goodwill or non-amortizing intangible assets.

The process of testing goodwill for impairment involves the determination of the fair value of the applicable reporting units. The test consists of a two-step process. The first step is the comparison of the fair value to the carrying value of the reporting unit to determine if the carrying value exceeds the fair value. The second step measures the amount of an impairment loss, and is only performed if the carrying value exceeds the fair value of the reporting unit. The Company performed its annual impairment testing for its reporting units as of January 1, 2015, its annual impairment date for fiscal year 2015. The Company concluded based on the first step of the process that there was no goodwill impairment, and the fair value exceeded the carrying value by more than 20.0% for each reporting unit. The long-term terminal growth rates for the Company’s reporting units ranged from 4.0% to 6.5% for the fiscal year 2015 impairment analysis. The range for the discount rates for the reporting units was 9.5% to 12.5%. Keeping all other variables constant, a 10.0% change in any one of the input assumptions for the various reporting units would still allow the Company to conclude, based on the first step of the process, that there was no impairment of goodwill.

Subsequent to the 2015 annual impairment test, the Company realigned its organization, as discussed in Note 10. While the realignment did not have a significant impact on the fair values of the reporting units as discussed above, the realignment did result in a change in the composition of the Company's reportable segments. OneSource, the multivendor service offering business that serves the life sciences end market, was moved from the Environmental Health segment into the Human Health segment. As a result of the new alignment, the Company reallocated goodwill from the Environmental Health segment to the Human Health segment based on the relative fair value, determined using the income approach, of the business. During the second quarter of 2015, the Company updated its preliminary analysis and the realignment resulted in $41.2 million of goodwill being reallocated from the Environmental Health segment into the Human Health segment as of December 28, 2014.

The Company has consistently employed the income approach to estimate the current fair value when testing for impairment of goodwill. A number of significant assumptions and estimates are involved in the application of the income approach to forecast operating cash flows, including markets and market share, sales volumes and prices, costs to produce, tax rates, capital spending, discount rates and working capital changes. Cash flow forecasts are based on approved business unit operating plans for the early years’ cash flows and historical relationships in later years. The income approach is sensitive to changes in long-term terminal growth rates and the discount rates. The long-term terminal growth rates are consistent with the Company’s historical long-term terminal growth rates, as the current economic trends are not expected to affect the long-term terminal growth rates of the Company. The Company corroborates the income approach with a market approach.

The Company has consistently employed the relief from royalty model to estimate the current fair value when testing for impairment of non-amortizing intangible assets. The impairment test consists of a comparison of the fair value of the non-amortizing intangible asset with its carrying amount. If the carrying amount of a non-amortizing intangible asset exceeds its fair value, an impairment loss in an amount equal to that excess is recognized. In addition, the Company evaluates the remaining useful lives of its non-amortizing intangible assets at least annually to determine whether events or circumstances continue to support an indefinite useful life. If events or circumstances indicate that the useful lives of non-amortizing intangible assets are no longer indefinite, the assets will be tested for impairment. These intangible assets will then be amortized prospectively over their estimated remaining useful lives and accounted for in the same manner as other intangible assets that are subject to amortization. The Company performed its annual impairment testing as of January 1, 2015, and concluded that there was no impairment of non-amortizing intangible assets. An assessment of the recoverability of amortizing intangible assets takes place when events have occurred that may give rise to an impairment. No such events occurred during the first six months of fiscal year 2015.

The changes in the carrying amount of goodwill for the period ended June 28, 2015 from December 28, 2014 were as follows:

	Human Health			Environmental Health			Consolidated
	(In thousands)
Balance at December 28, 2014	$	1,662,755		$	621,322		$	2,284,077
Foreign currency translation	(15,453		)	(6,483		)	(21,936		)
Acquisitions and other	33			13,724			13,757
Balance at June 28, 2015	$	1,647,335		$	628,563		$	2,275,898

Identifiable intangible asset balances at June 28, 2015 and December 28, 2014 by category were as follows:

	June 28, 2015			December 28, 2014
	(In thousands)
Patents	$	39,923		$	39,953
Less: Accumulated amortization	(28,484		)	(27,200		)
Net patents	11,439			12,753
Trade names and trademarks	40,223			40,069
Less: Accumulated amortization	(18,852		)	(16,936		)
Net trade names and trademarks	21,371			23,133
Licenses	59,441			59,631
Less: Accumulated amortization	(43,623		)	(41,792		)
Net licenses	15,818			17,839
Core technology	299,785			298,491
Less: Accumulated amortization	(199,087		)	(184,697		)
Net core technology	100,698			113,794
Customer relationships	403,312			402,185
Less: Accumulated amortization	(175,018		)	(156,994		)
Net customer relationships	228,294			245,191
IPR&D	9,660			10,103
Less: Accumulated amortization	(3,613		)	(3,132		)
Net IPR&D	6,047			6,971
Net amortizable intangible assets	383,667			419,681
Non-amortizing intangible assets:
Trade names and trademarks	70,584			70,584
Total	$	454,251		$	490,265

Total amortization expense related to definite-lived intangible assets was $19.9 million and $39.7 million for the three and six months ended June 28, 2015, respectively, and $20.6 million and $41.3 million for the three and six months June 29, 2014, respectively. Estimated amortization expense related to definite-lived intangible assets for each of the next five years is $40.3 million for the remainder of fiscal year 2015, $70.7 million for fiscal year 2016, $60.9 million for fiscal year 2017, $49.9 million for fiscal year 2018, and $38.1 million for fiscal year 2019.

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Earnings Per Share

6 Months Ended

Jun. 28, 2015

Earnings Per Share [Abstract]

Earnings Per Share

Earnings Per Share

Basic earnings per share was computed by dividing net income by the weighted-average number of common shares outstanding during the period less restricted unvested shares. Diluted earnings per share was computed by dividing net income by the weighted-average number of common shares outstanding plus all potentially dilutive common stock equivalents, primarily shares issuable upon the exercise of stock options using the treasury stock method. The following table reconciles the number of shares utilized in the earnings per share calculations:

	Three Months Ended		Six Months Ended
	June 28, 2015	June 29, 2014	June 28, 2015	June 29, 2014
	(In thousands)
Number of common shares—basic	113,018	112,788	112,829	112,671
Effect of dilutive securities:
Stock options	639	970	659	1,010
Restricted stock awards	176	213	148	193
Number of common shares—diluted	113,833	113,971	113,636	113,874
Number of potentially dilutive securities excluded from calculation due to antidilutive impact	493	499	713	479

Antidilutive securities include outstanding stock options with exercise prices and average unrecognized compensation cost in excess of the average fair market value of common stock for the related period. Antidilutive options were excluded from the calculation of diluted net income per share and could become dilutive in the future.

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Stock Plans (Summary of Restricted Stock Award Activity) (Details) - Restricted Stock Awards [Member] - $ / shares shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2015	Jun. 29, 2014	Jun. 28, 2015	Jun. 29, 2014
Restricted stock award activity
Number of Shares, Nonvested at beginning of period			558
Number of Shares, Granted			220
Number of Shares, Vested			(229)
Number of Shares, Forfeited			(25)
Number of Shares, Nonvested at end of period	524		524
Weighted-Average Grant-Date Fair Value, Nonvested at beginning of period			$ 35.51
Weighted-Average Grant-Date Fair Value, Granted	$ 51.13	$ 43.19	46.59	$ 42.61
Weighted-Average Grant-Date Fair Value, Vested			30.38
Weighted-Average Grant-Date Fair Value, Forfeited			40.02
Weighted-Average Grant-Date Fair Value, Nonvested at end of period	$ 42.18		$ 42.18

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Income Taxes

6 Months Ended

Jun. 28, 2015

Income Tax Disclosure [Abstract]

Income Taxes

Income Taxes

The Company regularly reviews its tax positions in each significant taxing jurisdiction in the process of evaluating its unrecognized tax benefits. The Company makes adjustments to its unrecognized tax benefits when: (i) facts and circumstances regarding a tax position change, causing a change in management’s judgment regarding that tax position; (ii) a tax position is effectively settled with a tax authority at a differing amount; and/or (iii) the statute of limitations expires regarding a tax position.

At June 28, 2015, the Company had gross tax effected unrecognized tax benefits of $30.1 million, of which $26.3 million, if recognized, would affect the continuing operations effective tax rate. The remaining amount, if recognized, would affect discontinued operations.

The Company believes that it is reasonably possible that approximately $5.4 million of its uncertain tax positions at June 28, 2015, including accrued interest and penalties, and net of tax benefits, may be resolved over the next twelve months as a result of lapses in applicable statutes of limitations and potential settlements. Various tax years after 2007 remain open to examination by certain jurisdictions in which the Company has significant business operations, such as China, Finland, Germany, Italy, Netherlands, Singapore, the United Kingdom and the United States. The tax years under examination vary by jurisdiction.

During the first six months of fiscal years 2015 and 2014, the Company recorded net discrete income tax benefits of $2.8 million and $4.0 million, respectively, primarily for reversals of uncertain tax position reserves and resolution of other tax matters.

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Debt

6 Months Ended

Jun. 28, 2015

Debt Disclosure [Abstract]

Debt

Debt

Senior Unsecured Revolving Credit Facility. On January 8, 2014, the Company refinanced its debt held under a previous senior unsecured revolving credit facility and entered into a new senior unsecured revolving credit facility. The Company's senior unsecured revolving credit facility provides for $700.0 million of revolving loans and has an initial maturity of January 8, 2019. As of June 28, 2015, undrawn letters of credit in the aggregate amount of $12.2 million were treated as issued and outstanding under the senior unsecured revolving credit facility. As of June 28, 2015, the Company had $236.8 million available for additional borrowing under the facility. The Company uses the senior unsecured revolving credit facility for general corporate purposes, which may include working capital, refinancing existing indebtedness, capital expenditures, share repurchases, acquisitions and strategic alliances. The interest rates under the senior unsecured revolving credit facility are based on the Eurocurrency rate or the base rate at the time of borrowing, plus a margin. The base rate is the higher of (i) the rate of interest in effect for such day as publicly announced from time to time by JP Morgan Chase Bank, N.A. as its "prime rate," (ii) the Federal Funds rate plus 50 basis points or (iii) one-month Libor plus 1.00%. At June 28, 2015, borrowings under the senior unsecured revolving credit facility were accruing interest primarily based on the Eurocurrency rate. The Eurocurrency margin as of June 28, 2015 was 108 basis points. The weighted average Eurocurrency interest rate as of June 28, 2015 was 0.18%, resulting in a weighted average effective Eurocurrency rate, including the margin, of 1.26%. At June 28, 2015 and December 28, 2014, the Company had $451.0 million and $516.0 million, respectively, of borrowings in U.S. dollars outstanding under the senior unsecured revolving credit facility. The credit agreement for the facility contains affirmative, negative and financial covenants and events of default similar to those contained in the credit agreement for the Company's previous facility. The financial covenants in the Company's senior unsecured revolving credit facility include a debt-to-capital ratio, and two contingent covenants, a maximum consolidated leverage ratio and a minimum consolidated interest coverage ratio, applicable if the Company's credit rating is downgraded below investment grade.

5% Senior Unsecured Notes due in 2021. On October 25, 2011, the Company issued $500.0 million aggregate principal amount of senior unsecured notes due in 2021 (the “2021 Notes”) in a registered public offering and received $496.9 million of net proceeds from the issuance. The 2021 Notes were issued at 99.372% of the principal amount, which resulted in a discount of $3.1 million. As of June 28, 2015, the 2021 Notes had an aggregate carrying value of $497.8 million, net of $2.2 million of unamortized original issue discount. As of December 28, 2014, the 2021 Notes had an aggregate carrying value of $497.7 million, net of $2.3 million of unamortized original issue discount. The 2021 Notes mature in November 2021 and bear interest at an annual rate of 5%. Interest on the 2021 Notes is payable semi-annually on May 15th and November 15th each year. Prior to August 15, 2021 (three months prior to their maturity date), the Company may redeem the 2021 Notes in whole or in part, at its option, at a redemption price equal to the greater of (i) 100% of the principal amount of the 2021 Notes to be redeemed, plus accrued and unpaid interest, or (ii) the sum of the present values of the remaining scheduled payments of principal and interest in respect to the 2021 Notes being redeemed, discounted on a semi-annual basis, at the Treasury Rate plus 45 basis points, plus accrued and unpaid interest. At any time on or after August 15, 2021 (three months prior to their maturity date), the Company may redeem the 2021 Notes, at its option, at a redemption price equal to 100% of the principal amount of the 2021 Notes to be redeemed plus accrued and unpaid interest. Upon a change of control (as defined in the indenture governing the 2021 Notes) and a contemporaneous downgrade of the 2021 Notes below investment grade, each holder of 2021 Notes will have the right to require the Company to repurchase such holder's 2021 Notes for 101% of their principal amount, plus accrued and unpaid interest.

Financing Lease Obligations. In fiscal year 2012, the Company entered into agreements with the lessors of certain buildings that the Company is currently occupying and leasing to expand those buildings. The Company provided a portion of the funds needed for the construction of the additions to the buildings, and as a result the Company was considered the owner of the buildings during the construction period. At the end of the construction period, the Company was not reimbursed by the lessors for all of the construction costs. The Company is therefore deemed to have continuing involvement and the leases qualify as financing leases under sale-leaseback accounting guidance, representing debt obligations for the Company and non-cash investing and financing activities. As a result, the Company capitalized $29.3 million in property and equipment, net, representing the fair value of the buildings with a corresponding increase to debt. The Company has also capitalized $11.5 million in additional construction costs necessary to complete the renovations to the buildings, which were funded by the lessors, with a corresponding increase to debt. At June 28, 2015, the Company had $38.7 million recorded for these financing lease obligations, of which $1.1 million was recorded as short-term debt and $37.6 million was recorded as long-term debt. At December 28, 2014, the Company had $39.3 million recorded for these financing lease obligations, of which $1.1 million was recorded as short-term debt and $38.2 million was recorded as long-term debt. The buildings are being depreciated on a straight-line basis over the terms of the leases to their estimated residual values, which will equal the remaining financing obligation at the end of the lease term. At the end of the lease term, the remaining balances in property, plant and equipment, net and debt will be reversed against each other.

Other Short-term Obligations. At June 28, 2015, the Company had $0.9 million of borrowings under other short-term obligation arrangements, which were settled during the third quarter of fiscal year 2015.

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Industry Segment Information

6 Months Ended

Jun. 28, 2015

Segment Reporting [Abstract]

Industry Segment Information

Industry Segment Information

The Company discloses information about its operating segments based on the way that management organizes the segments within the Company for making operating decisions and assessing financial performance. The Company evaluates the performance of its operating segments based on revenue and operating income. Intersegment revenue and transfers are not significant. The Company’s management reviews the results of the Company’s operations by the Human Health and Environmental Health operating segments. The accounting policies of the operating segments are the same as those described in Note 1 to the audited consolidated financial statements in the 2014 Form 10-K.

The Company realigned its organization at the beginning of fiscal year 2015 to enable the Company to both deliver complete solutions targeted towards certain end markets and develop value-added applications and solutions to foster further expansion of those markets. OneSource, the multivendor service offering business that serves the life sciences end market, was moved from the Environmental Health segment into the Human Health segment. The results reported for the three and six months ended June 28, 2015 reflect this new alignment of the Company's operating segments. Financial information in this report relating to the three and six months ended June 29, 2014 and the fiscal year ended 2014 have been retrospectively adjusted to reflect the changes to the operating segments. The principal products and services of the Company's two operating segments are:

• Human Health.    Develops diagnostics, tools and applications to help detect diseases earlier and more accurately and to accelerate the discovery and development of critical new therapies. The Human Health segment serves both the diagnostics and research markets.

• Environmental Health.    Provides products, services and solutions to facilitate the creation of safer food and consumer products, more secure surroundings and efficient energy resources. The Environmental Health segment serves the environmental, industrial and laboratory services markets.

The Company has included the expenses for its corporate headquarters, such as legal, tax, audit, human resources, information technology, and other management and compliance costs, as well as the activity related to the mark-to-market adjustment on postretirement benefit plans, as “Corporate” below. The Company has a process to allocate and recharge expenses to the reportable segments when these costs are administered or paid by the corporate headquarters based on the extent to which the segment benefited from the expenses. These amounts have been calculated in a consistent manner and are included in the Company’s calculations of segment results to internally plan and assess the performance of each segment for all purposes, including determining the compensation of the business leaders for each of the Company’s operating segments.

Revenue and operating income (loss) from continuing operations by operating segment are shown in the table below:

	Three Months Ended						Six Months Ended
	June 28, 2015			June 29, 2014			June 28, 2015			June 29, 2014
	(In thousands)
Human Health
Product revenue	$	242,506		$	245,108		$	473,654		$	484,137
Service revenue	98,982			97,435			193,887			188,439
Total revenue	341,488			342,543			667,541			672,576
Operating income from continuing operations	60,531			57,908			116,413			101,890
Environmental Health
Product revenue	146,212			136,501			274,377			262,956
Service revenue	76,206			77,126			148,889			151,248
Total revenue	222,418			213,627			423,266			414,204
Operating income from continuing operations	19,422			25,578			30,768			47,185
Corporate
Operating loss from continuing operations(1)	(11,822		)	(13,849		)	(21,669		)	(27,676		)
Continuing Operations
Product revenue	388,718			381,609			748,031			747,093
Service revenue	175,188			174,561			342,776			339,687
Total revenue	563,906			556,170			1,090,807			1,086,780
Operating income from continuing operations	68,131			69,637			125,512			121,399
Interest and other expense, net (see Note 5)	10,843			8,964			20,264			20,253
Income from continuing operations before income taxes	$	57,288		$	60,673		$	105,248		$	101,146

____________________________

⁽¹⁾  In 2002, Enzo Biochem, Inc. and Enzo Life Sciences, Inc. (collectively, “Enzo”) filed a complaint that alleged that the Company separately and together with other defendants breached distributorship and settlement agreements with Enzo, infringed Enzo's patents, engaged in unfair competition and fraud, and committed torts against Enzo by, among other things, engaging in commercial development and exploitation of Enzo's patented products and technology. The Company entered into a settlement agreement with Enzo dated June 20, 2014 and during fiscal year 2014 paid $7.0 million into a designated escrow account to resolve this matter, of which $3.7 million had been accrued in previous years and $3.3 million was recorded in the second quarter of fiscal year 2014. In addition, the Company incurred $0.1 million and $3.4 million of expenses in preparation for the trial during the three and six months ended June 29, 2014, respectively.

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Warranty Reserves (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2015	Jun. 29, 2014	Jun. 28, 2015	Jun. 29, 2014
Warranty reserve activity
Balance beginning of period	$ 10,871	$ 10,357	$ 10,783	$ 10,534
Provision charged to income	4,330	4,332	8,488	8,409
Payments	(3,984)	(4,388)	(7,746)	(8,355)
Adjustments to previously provided warranties, net	(550)	471	(471)	174
Foreign currency translation and acquisitions	143	14	(244)	24
Balance end of period	$ 10,810	$ 10,786	$ 10,810	$ 10,786

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Derivatives And Hedging Activities (Details) $ in Thousands, € in Millions	6 Months Ended
	Jun. 28, 2015 USD ($)	Jun. 29, 2014 USD ($)	Jun. 28, 2015 EUR (€)	Dec. 28, 2014 USD ($)	Dec. 28, 2014 EUR (€)
Derivative [Line Items]
Company's business conducted outside United States	60.00%
Payments for (Proceeds from) Hedge, Financing Activities	$ (23,468)	$ 0
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net	$ 0
European And Asian Currencies [Member]
Derivative [Line Items]
Maximum maturity period for foreign exchange contracts, in months	12 months
Duration of foreign currency derivative contract, days	30 days	30 days
Fair Value Hedging [Member]
Derivative [Line Items]
Notional Amount of Cash Flow Hedge Instruments	$ 101,600	$ 109,700		$ 95,000
Cash Flow Hedging [Member]
Derivative [Line Items]
Notional Amount of Cash Flow Hedge Instruments | €			€ 156.1		€ 238.2

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Goodwill and Intangible Assets, Net (Identifiable Intangible Asset Balances) (Details) - USD ($) $ in Thousands	Jun. 28, 2015	Dec. 28, 2014
Finite and Indefinite Lived Intangible Assets by Major Class [Line Items]
Net amortizable intangible assets	$ 383,667	$ 419,681
Intangible assets, net	454,251	490,265
Patents [Member]
Finite and Indefinite Lived Intangible Assets by Major Class [Line Items]
Gross amortizable intangible assets	39,923	39,953
Less: Accumulated amortization	(28,484)	(27,200)
Net amortizable intangible assets	11,439	12,753
Trade Names And Trademarks [Member]
Finite and Indefinite Lived Intangible Assets by Major Class [Line Items]
Gross amortizable intangible assets	40,223	40,069
Less: Accumulated amortization	(18,852)	(16,936)
Net amortizable intangible assets	21,371	23,133
Trade names and trademarks	70,584	70,584
Licensing Agreements [Member]
Finite and Indefinite Lived Intangible Assets by Major Class [Line Items]
Gross amortizable intangible assets	59,441	59,631
Less: Accumulated amortization	(43,623)	(41,792)
Net amortizable intangible assets	15,818	17,839
Core Technology [Member]
Finite and Indefinite Lived Intangible Assets by Major Class [Line Items]
Gross amortizable intangible assets	299,785	298,491
Less: Accumulated amortization	(199,087)	(184,697)
Net amortizable intangible assets	100,698	113,794
Customer Relationships [Member]
Finite and Indefinite Lived Intangible Assets by Major Class [Line Items]
Gross amortizable intangible assets	403,312	402,185
Less: Accumulated amortization	(175,018)	(156,994)
Net amortizable intangible assets	228,294	245,191
In-process Research and Development [Member]
Finite and Indefinite Lived Intangible Assets by Major Class [Line Items]
Gross amortizable intangible assets	9,660	10,103
Less: Accumulated amortization	(3,613)	(3,132)
Net amortizable intangible assets	$ 6,047	$ 6,971

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Stock Plans (Tables)

6 Months Ended

Jun. 28, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of Total Compensation Recognized Related to Outstanding Equity Awards

The following table summarizes total pre-tax compensation expense recognized related to the Company’s stock options, restricted stock, restricted stock units, performance units and stock grants, net of estimated forfeitures, included in the Company’s condensed consolidated statements of operations for the three and six months ended June 28, 2015 and June 29, 2014:

	Three Months Ended				Six Months Ended
	June 28, 2015		June 29, 2014		June 28, 2015		June 29, 2014
	(In thousands)
Cost of product and service revenue	$	392	$	337	$	640	$	671
Research and development expenses	141		220		300		360
Selling, general and administrative expenses	3,673		4,246		7,253		8,288
Total stock-based compensation expense	$	4,206	$	4,803	$	8,193	$	9,319

Weighted-Average Assumptions Used in the Black-Scholes Option Pricing Model

The Company’s weighted-average assumptions used in the Black-Scholes option pricing model were as follows:

	Three and Six Months Ended
	June 28, 2015		June 29, 2014
Risk-free interest rate	1.3	%	1.5	%
Expected dividend yield	0.6	%	0.7	%
Expected term	5 years		5 years
Expected stock volatility	26.5	%	30.9	%

Summary of Stock Option Activity

The following table summarizes stock option activity for the six months ended June 28, 2015:

	Number of Shares		Weighted- Average Exercise Price		Weighted-Average Remaining Contractual Term	Total Intrinsic Value
	(In thousands)				(In years)	(In millions)
Outstanding at December 28, 2014	2,828		$	26.11
Granted	484		46.22
Exercised	(728	)	17.39
Canceled	(3	)	22.49
Forfeited	(78	)	30.63
Outstanding at June 28, 2015	2,503		$	32.40	4.1	$	49.3
Exercisable at June 28, 2015	1,619		$	26.33	3.0	$	41.7
Vested and expected to vest in the future	2,435		$	32.14	4.0	$	48.6

Summary of Restricted Stock Award Activity

The following table summarizes restricted stock award activity for the six months ended June 28, 2015:

	Number of Shares		Weighted- Average Grant- Date Fair Value
	(In thousands)
Nonvested at December 28, 2014	558		$	35.51
Granted	220		46.59
Vested	(229	)	30.38
Forfeited	(25	)	40.02
Nonvested at June 28, 2015	524		$	42.18

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Earnings Per Share (Schedule of Reconciliation of Number of Shares Utilized in Earnings Per Share Calculations) (Details) - shares shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2015	Jun. 29, 2014	Jun. 28, 2015	Jun. 29, 2014
Earnings Per Share [Abstract]
Number of common shares-basic	113,018	112,788	112,829	112,671
Effect of dilutive securities, Stock options	639	970	659	1,010
Effect of dilutive securities, Restricted stock	176	213	148	193
Number of common shares-diluted	113,833	113,971	113,636	113,874
Number of potentially dilutive securities excluded from calculation due to antidilutive impact	493	499	713	479

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Employee Benefit Plans

6 Months Ended

Jun. 28, 2015

Compensation and Retirement Disclosure [Abstract]

Employee Benefit Plans

Employee Postretirement Benefit Plans

The following table summarizes the components of net periodic benefit (credit) cost for the Company’s various defined benefit employee pension and postretirement plans for the three and six months ended June 28, 2015 and June 29, 2014:

	Defined Benefit Pension Benefits						Postretirement Medical Benefits
	Three Months Ended
	June 28, 2015			June 29, 2014			June 28, 2015			June 29, 2014
	(In thousands)
Service cost	$	1,085		$	1,034		$	27		$	24
Interest cost	5,176			5,931			36			39
Expected return on plan assets	(6,510		)	(6,280		)	(266		)	(241		)
Curtailment gain	(816		)	—			—			—
Actuarial loss	821			—			—			—
Amortization of prior service costs	(59		)	(71		)	—			—
Net periodic benefit (credit) cost	$	(303	)	$	614		$	(203	)	$	(178	)

	Defined Benefit Pension Benefits						Postretirement Medical Benefits
	Six Months Ended
	June 28, 2015			June 29, 2014			June 28, 2015			June 29, 2014
	(In thousands)
Service cost	$	2,191		$	2,064		$	54		$	48
Interest cost	10,426			11,847			72			77
Expected return on plan assets	(13,022		)	(12,543		)	(532		)	(482		)
Curtailment gain	(816		)	—			—			—
Actuarial loss	821			—			—			—
Amortization of prior service	(123		)	(142		)	—			—
Net periodic benefit (credit) cost	$	(523	)	$	1,226		$	(406	)	$	(357	)

During the six months ended June 28, 2015 and June 29, 2014, the Company contributed $5.7 million and $1.9 million, respectively, in the aggregate, to pension plans outside of the United States. During the six months ended June 28, 2015, the Company contributed $20.0 million to its defined benefit pension plan in the United States.

In the third quarter of fiscal year 2014, the Company notified certain employees of its intention to terminate their employment as part of the Q3 2014 restructuring plan. During the second quarter of fiscal year 2015, the termination of these participants decreased the expected future service lives in excess of the curtailment limit for one of the Company's pension plans, which resulted in a curtailment gain. The Company recorded the curtailment gain of $0.8 million during the second quarter of fiscal year 2015. As part of the curtailment, the Company remeasured the assets and liabilities of the plan that had the curtailment based upon current discount rates and the fair value of the pension plan's assets as of the curtailment date, which resulted in an actuarial loss of $0.8 million.

The Company recognizes actuarial gains and losses, unless an interim remeasurement is required, in operating results in the fourth quarter of the year in which the gains and losses occur, in accordance with the Company's accounting method for defined benefit pension plans and other postretirement benefits as described in Note 1 of the Company's audited consolidated financial statements and notes included in its 2014 Form 10-K. Such adjustments for gains and losses are primarily driven by events and circumstances beyond the Company's control, including changes in interest rates, the performance of the financial markets and mortality assumptions.

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Business Combinations (Tables)

6 Months Ended

Jun. 28, 2015

Business Acquisition [Line Items]

Schedule of Business Acquisitions, by Acquisition [Table Text Block]

The total purchase price for the acquisitions in fiscal year 2014 has been allocated to the estimated fair values of assets acquired and liabilities assumed as follows:

	Perten			2014 Other
	(Preliminary)
	(In thousands)
Fair value of business combination:
Cash payments	$	269,937		$	17,898
Working capital and other adjustments	—			151
Less: cash acquired	(16,732		)	(124		)
Total	$	253,205		$	17,925
Identifiable assets acquired and liabilities assumed:
Current assets	$	32,805		$	1,965
Property, plant and equipment	1,485			125
Other assets	—			364
Identifiable intangible assets:
Core technology	16,000			1,705
Trade names	7,000			—
Customer relationships	87,000			6,800
IPR&D	—			1,266
Goodwill	164,164			15,981
Deferred taxes	(31,454		)	(3,072		)
Deferred revenue	—			(589		)
Liabilities assumed	(16,195		)	(2,333		)
Debt assumed	(7,600		)	(4,287		)
Total	$	253,205		$	17,925

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Income Taxes (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 28, 2015	Jun. 29, 2014
Income Tax Contingency [Line Items]
Unrecognized tax benefits, gross	$ 30.1
Uncertain tax benefits if recognized that could affect the continuing operations effective tax rate	26.3
Uncertain tax positions including accrued interest, net of tax benefits and penalties, to be resolved within the next year	$ 5.4
Open Tax Years by Major Tax Jurisdiction, Begin Date	2007
Tax Adjustments, Settlements, and Unusual Provisions	$ (2.8)	$ (4.0)

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Business Combinations (Fair Values of the Business Combinations and Allocations for the Acquisitions Completed) (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Dec. 28, 2014	Dec. 28, 2014	Jun. 28, 2015	Dec. 05, 2014	Oct. 21, 2014
Business Acquisition [Line Items]
Goodwill	$ 2,284,077	$ 2,284,077	$ 2,275,898
Fiscal Year 2015 Acquisitions [Member]
Business Acquisition [Line Items]
Goodwill			13,700
Fiscal Year 2014 Acquisitions (excluding Perten) [Member]
Business Acquisition [Line Items]
Business Acquisition, Cost of Acquired Entity, Cash Paid		17,898
Business Acquisition, Cost Of Acquired Entity, Working Capital Adjustments		151
Cash Acquired		(124)
Business Combination, Consideration Transferred		17,925
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets					$ 1,965
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment					125
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets					364
Goodwill					15,981
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities, Total					(3,072)
Business Acquisition, Purchase Price Allocation, Current and Non-current Liabilities, Deferred Revenue					(589)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities					(2,333)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt					(4,287)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net					17,925
Core Technology [Member] | Fiscal Year 2014 Acquisitions (excluding Perten) [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles					1,705
Trade Names [Member] | Fiscal Year 2014 Acquisitions (excluding Perten) [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles					0
Customer Relationships [Member] | Fiscal Year 2014 Acquisitions (excluding Perten) [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles					6,800
In-process Research and Development [Member] | Fiscal Year 2014 Acquisitions (excluding Perten) [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles					$ 1,266
Human Health [Member]
Business Acquisition [Line Items]
Goodwill	1,662,755	1,662,755	1,647,335
Environmental Health [Member]
Business Acquisition [Line Items]
Goodwill	621,322	$ 621,322	$ 628,563
Environmental Health [Member] | Perten Instruments Group AB [Member]
Business Acquisition [Line Items]
Business Acquisition, Cost of Acquired Entity, Cash Paid	269,937
Business Acquisition, Cost Of Acquired Entity, Working Capital Adjustments	0
Cash Acquired	(16,732)
Business Combination, Consideration Transferred	$ 253,205
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets				$ 32,805
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment				1,485
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets				0
Goodwill				164,164
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities, Total				(31,454)
Business Acquisition, Purchase Price Allocation, Current and Non-current Liabilities, Deferred Revenue				0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities				(16,195)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt				(7,600)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net				253,205
Environmental Health [Member] | Core Technology [Member] | Perten Instruments Group AB [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles				16,000
Environmental Health [Member] | Trade Names [Member] | Perten Instruments Group AB [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles				7,000
Environmental Health [Member] | Customer Relationships [Member] | Perten Instruments Group AB [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles				87,000
Environmental Health [Member] | In-process Research and Development [Member] | Perten Instruments Group AB [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles				$ 0

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Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Jun. 28, 2015	Dec. 28, 2014
Statement of Financial Position [Abstract]
Preferred stock, par value	$ 1	$ 1
Preferred stock, authorized	1,000,000	1,000,000
Preferred stock, issued	0	0
Preferred stock, outstanding	0	0
Common stock, par value	$ 1	$ 1
Common stock, authorized	300,000,000	300,000,000
Common stock, issued	113,355,000	112,481,000
Common stock, outstanding	113,355,000	112,481,000

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Restructuring and Lease Charges, Net

6 Months Ended

Jun. 28, 2015

Restructuring and Related Activities [Abstract]

Restructuring and Lease Charges, Net

Restructuring and Contract Termination Charges, Net

The Company's management has approved a series of restructuring actions related to the impact of acquisitions and divestitures, the alignment of the Company's operations with its growth strategy, the integration of its business units and productivity initiatives. The current portion of restructuring and contract termination charges is recorded in accrued restructuring and contract termination charges and the long-term portion of restructuring and contract termination charges is recorded in long-term liabilities. The activities associated with these plans have been reported as restructuring and contract termination charges, net, and are included as a component of operating expenses from continuing operations.

The Company implemented restructuring plans in the second quarter of fiscal year 2015 and the third quarter of fiscal year 2014 consisting of workforce reductions principally intended to realign resources to emphasize growth initiatives (the "Q2 2015 Plan" and the "Q3 2014 Plan", respectively). The Company implemented restructuring plans in the second and first quarters of fiscal year 2014 consisting of workforce reductions principally intended to focus resources on higher growth end markets (the "Q2 2014 Plan" and the "Q1 2014 Plan", respectively). Details of the plans initiated in previous years (“Previous Plans”) are discussed more fully in Note 4 to the audited consolidated financial statements in the 2014 Form 10-K. The Company also has terminated various contractual commitments in connection with certain disposal activities and has recorded charges, to the extent applicable, for the costs of terminating these contracts before the end of their terms and the costs that will continue to be incurred for the remaining terms without economic benefit to the Company.

The following table summarizes the number of employees reduced, the initial restructuring or contract termination charges by operating segment, and the dates by which payments were substantially completed, or the expected dates by which payments will be substantially completed, for restructuring actions implemented during the six months ended June 28, 2015 and fiscal year 2014:

		Initial Restructuring or Contract Termination Charges				Total		Date or Expected Date Payments Substantially Completed by
	Headcount Reduction	Human Health		Environmental Health
	(In thousands, except headcount data)
Q2 2015 Plan	102	$	1,850	$	4,160	$	6,010	Q2 FY2016
2015 Contract Termination Charges	—	—		25		25		Q4 FY2015
Q3 2014 Plan	152	7,126		5,925		13,051		Q3 FY2015
Q2 2014 Plan	22	545		190		735		Q2 FY2015
Q1 2014 Plan	17	370		197		567		Q4 FY2014
2014 Contract Termination Charges	—	—		1,545		1,545		Q4 FY2015

The Company expects to make payments under the Previous Plans for remaining residual lease obligations, with terms varying in length, through fiscal year 2022.

At June 28, 2015, the Company had $20.8 million recorded for accrued restructuring and contract termination charges, of which $15.4 million was recorded in short-term accrued restructuring and contract termination charges and $5.4 million was recorded in long-term liabilities. At December 28, 2014, the Company had $23.8 million recorded for accrued restructuring and contract termination charges, of which $17.1 million was recorded in short-accrued restructuring and $6.7 million was recorded in long-term liabilities. The following table summarizes the Company's restructuring and contract termination accrual balances and related activity by restructuring plan, as well as contract termination, during the six months ended June 28, 2015:

	Balance at December 28, 2014		2015 Charges		2015 Changes in Estimates, Net			2015 Amounts Paid			Balance at June 28, 2015
	(In thousands)
Severance:
Q2 2015 Plan	$	—	$	6,010	$	—		$	(600	)	$	5,410
Q3 2014 Plan	10,059		—		—			(5,050		)	5,009
Q2 2014 Plan(1)	251		—		(179		)	(8		)	64
Q1 2014 Plan(2)	92		—		(92		)	—			—
Previous Plans(3)	13,124		—		(808		)	(2,199		)	10,117
Restructuring	23,526		6,010		(1,079		)	(7,857		)	20,600
Contract Termination	304		25		—			(141		)	188
Total Restructuring and Contract Termination	$	23,830	$	6,035	$	(1,079	)	$	(7,998	)	$	20,788

⁽¹⁾  During the six months ended June 28, 2015, the Company recognized pre-tax restructuring reversals of $0.1 million in each of the Human Health and Environmental Health segments related to lower than expected costs associated with workforce reductions for the Q2 2014 Plan.

⁽²⁾  During the six months ended June 28, 2015, the Company recognized a pre-tax restructuring reversal of $0.1 million in the Human Health segment related to lower than expected costs associated with workforce reductions for the Q1 2014 Plan.

⁽³⁾  During the six months ended June 28, 2015, the Company recognized a net additional pre-tax restructuring charge of $0.2 million in the Human Health segment primarily related to higher than expected costs associated with the closure of the excess facility space and a pre-tax restructuring reversal of $1.0 million in the Environmental Health segment related to lower than expected costs associated with workforce reductions for the Previous Plans.

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Stock Plans (Weighted-Average Assumptions Used in the Black-Scholes Option Pricing Model) (Details)	6 Months Ended
	Jun. 28, 2015	Jun. 29, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Risk-free interest rate	1.30%	1.50%
Expected dividend yield	0.60%	0.70%
Expected lives, years	5 years	5 years
Expected stock volatility	26.50%	30.90%

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Fair Value Measurements (Reconciliation of Beginning and Ending Level 3 Net Liabilities) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2015	Jun. 29, 2014	Jun. 28, 2015	Jun. 29, 2014
Fair Value Disclosures [Abstract]
Balance beginning of period	$ (81)	$ (4,981)	$ (91)	$ (4,926)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases	(475)	0	(475)	0
Payments	0	(72)	10	(72)
Change in fair value (included within selling, general and administrative expenses)	81	1,623	81	1,568
Balance end of period	$ (475)	$ (3,430)	$ (475)	$ (3,430)

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Discontinued Operations (Tables)

6 Months Ended

Jun. 28, 2015

Discontinued Operations and Disposal Groups [Abstract]

Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures [Table Text Block]

Summary pre-tax operating results of the discontinued operations, which include the periods prior to disposition and a $1.0 million pre-tax restructuring charge related to workforce reductions in the microarray-based diagnostic testing laboratory in the United States during the second quarter of fiscal year 2014, were as follows:

	Three Months Ended					Six Months Ended
	June 28, 2015		June 29, 2014			June 28, 2015			June 29, 2014
	(In thousands)
Sales	$	63	$	426		$	83		$	1,720
Costs and expenses	28		2,510			85			4,834
Gain (loss) from discontinued operations before income taxes	$	35	$	(2,084	)	$	(2	)	$	(3,114	)

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Fair Value Measurements (Tables)

6 Months Ended

Jun. 28, 2015

Fair Value Disclosures [Abstract]

Assets and Liabilities Carried at Fair Value Measured on a Recurring Basis

The following tables show the assets and liabilities carried at fair value measured on a recurring basis as of June 28, 2015 and December 28, 2014 classified in one of the three classifications described above:

				Fair Value Measurements at June 28, 2015 Using:
	Total Carrying Value at June 28, 2015			Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)
	(In thousands)
Marketable securities	$	1,633		$	1,633	$	—		$	—
Foreign exchange derivative assets	160			—		160			—
Foreign exchange derivative liabilities	(6,017		)	—		(6,017		)	—
Contingent consideration	(475		)	—		—			(475		)

				Fair Value Measurements at December 28, 2014 Using:
	Total Carrying Value at December 28, 2014			Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)			Significant Unobservable  Inputs (Level 3)
	(In thousands)
Marketable securities	$	1,568		$	1,568	$	—		$	—
Foreign exchange derivative assets	3,205			—		3,205			—
Foreign exchange derivative liabilities	(302		)	—		(302		)	—
Contingent consideration	(91		)	—		—			(91		)

Reconciliation of Beginning and Ending Level 3 Net Liabilities

A reconciliation of the beginning and ending Level 3 net liabilities for contingent consideration is as follows:

	Three Months Ended						Six Months Ended
	June 28, 2015			June 29, 2014			June 28, 2015			June 29, 2014
	(In thousands)
Balance at beginning of period	$	(81	)	$	(4,981	)	$	(91	)	$	(4,926	)
Additions	(475		)	—			(475		)	—
Amounts paid and foreign currency translation	—			(72		)	10			(72		)
Change in fair value (included within selling, general and administrative expenses)	81			1,623			81			1,568
Balance at end of period	$	(475	)	$	(3,430	)	$	(475	)	$	(3,430	)

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Warranty Reserves

6 Months Ended

Jun. 28, 2015

Product Warranties Disclosures [Abstract]

Warranty Reserves

Warranty Reserves

The Company provides warranty protection for certain products usually for a period of one year beyond the date of sale. The majority of costs associated with warranty obligations include the replacement of parts and the time for service personnel to respond to repair and replacement requests. A warranty reserve is recorded based upon historical results, supplemented by management’s expectations of future costs. Warranty reserves are included in “Accrued expenses and other current liabilities” on the condensed consolidated balance sheets.

A summary of warranty reserve activity for the three and six months ended June 28, 2015 and June 29, 2014 is as follows:

	Three Months Ended						Six Months Ended
	June 28, 2015			June 29, 2014			June 28, 2015			June 29, 2014
	(In thousands)
Balance at beginning of period	$	10,871		$	10,357		$	10,783		$	10,534
Provision charged to income	4,330			4,332			8,488			8,409
Payments	(3,984		)	(4,388		)	(7,746		)	(8,355		)
Adjustments to previously provided warranties, net	(550		)	471			(471		)	174
Foreign currency translation and acquisitions	143			14			(244		)	24
Balance at end of period	$	10,810		$	10,786		$	10,810		$	10,786