10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-Q

(Mark One)

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

For The Quarterly Period EndedJune 30, 2016

OR

o 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: 1-4639

CTS CORPORATION

(Exact name of registrant as specified in its charter)

Indiana	35-0225010
(State or other jurisdiction of incorporation or organization)	(IRS Employer Identification Number)
2375 Cabot Drive, Lisle, IL	60532
(Address of principal executive offices)	(Zip Code)

Registrant’s telephone number, including area code:630-577-8800

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  ☒ No    o

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  ☒     No o

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 o	Accelerated filer  ☒	Non-accelerated filer  o	Smaller reporting company  o
		(Do not check if smaller reporting company)

Indicate by check markwhether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    Yes  o No  ☒ 

Indicate the number of shares outstanding of each of the issuer’s classes of common stock, as of July 27, 2016: 32,758,961.

CTS CORPORATION AND SUBSIDIARIES

TABLE OF CONTENTS

		Page
PART I. FINANCIAL INFORMATION
Item 1.	Financial Statements
	Condensed Consolidated Statements of Earnings (Unaudited) For the Periods Ended June 30, 2016 and June 28, 2015	3
	Condensed Consolidated Statements of Comprehensive Income (Unaudited) For the Periods Ended June 30, 2016 and June 28, 2015	4
	Condensed Consolidated Balance Sheets As of June 30, 2016 (Unaudited) and December 31, 2015	5
	Condensed Consolidated Statements of Cash Flows (Unaudited) For the Periods Ended June 30, 2016 and June 28, 2015	6
	Notes to Condensed Consolidated Financial Statements ‑ (Unaudited)	7
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	28
Item 3.	Quantitative and Qualitative Disclosures about Market Risk	36
Item 4.	Controls and Procedures	36
PART II. OTHER INFORMATION
Item 1.	Legal Proceedings	36
Item 1A.	Risk Factors	36
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	36
Item 6.	Exhibits	37
SIGNATURES		37

2

PART I - FINANCIAL INFORMATION

Item 1.   Financial Statements

CTS CORPORATION AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OFEARNINGS- UNAUDITED

(In thousands of dollars, except per share amounts)

	Three Months Ended						Six Months Ended
	June 30,			June 28,			June 30,			June 28,
	2016			2015			2016			2015
Net sales	$	98,693		$	100,071		$	195,398		$	198,382
Cost of goods sold	64,236			66,698			127,472			132,873
Gross Margin	34,457			33,373			67,926			65,509
Selling, general and administrative expenses	15,764			15,224			30,411			30,935
Research and development expenses	5,967			5,487			12,130			10,686
Restructuring and impairment charges	206			2,118			206			2,856
(Gain) loss on sale of assets	(11,577		)	2			(11,351		)	(1		)
Operating earnings	24,097			10,542			36,530			21,033
Other (expense) income:
Interest expense	(1,009		)	(653		)	(1,829		)	(1,241		)
Interest income	331			853			879			1,641
Other (expense) income	(1,240		)	117			(1,436		)	(1,570		)
Total other (expense) income	(1,918		)	317			(2,386		)	(1,170		)
Earnings before income taxes	22,179			10,859			34,144			19,863
Income tax expense (benefit)	7,692			(8,221		)	11,794			(5,504		)
Net earnings	$	14,487		$	19,080		$	22,350		$	25,367
Earnings per share:
Basic	$	0.44		$	0.58		$	0.68		$	0.76
Diluted	$	0.44		$	0.57		$	0.67		$	0.75
Basic weighted – average common shares outstanding:	32,759			33,080			32,695			33,243
Effect of dilutive securities	466			471			485			497
Diluted weighted – average common shares outstanding	33,225			33,551			33,180			33,740
Cash dividends declared per share	$	0.04		$	0.04		$	0.08		$	0.08

See notes to unaudited condensed consolidated financial statements.

3

CTS CORPORATION AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME‑ UNAUDITED

(In thousands of dollars)

	Three Months Ended					Six Months Ended
	June 30,			June 28,		June 30,			June 28,
	2016			2015		2016			2015
Net earnings	$	14,487		$	19,080	$	22,350		$	25,367
Other comprehensive income (loss):
Changes in fair market value of hedges, net of tax	(67		)	69		227			(17		)
Changes in unrealized pension cost, net of tax	947			705		1,855			1,962
Cumulative translation adjustment, net of tax	(317		)	1,491		(726		)	388
Other comprehensive income	$	563		$	2,265	$	1,356		$	2,333
Comprehensive income	$	15,050		$	21,345	$	23,706		$	27,700

See notes to unaudited condensed consolidated financial statements.

4

CTS CORPORATION AND SUBSIDIARIES

CONDENSED CONSOLIDATED BALANCE SHEETS

(In thousands of dollars)

	(Unaudited)
	June 30,			December 31,
	2016			2015
ASSETS
Current Assets
Cash and cash equivalents	$	119,912		$	156,928
Accounts receivable, net	62,125			54,563
Inventories, net	25,978			24,600
Other current assets	12,457			9,863
Total current assets	220,472			245,954
Property, plant and equipment, net	76,973			69,872
Other Assets
Prepaid pension asset	37,712			33,779
Goodwill	61,744			33,865
Other intangible assets, net	67,567			34,758
Deferred income taxes	54,212			63,809
Other	1,154			1,336
Total other assets	222,389			167,547
Total Assets	$	519,834		$	483,373
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current Liabilities
Accounts payable	$	41,679		$	40,299
Accrued payroll and benefits	8,501			7,147
Accrued liabilities	46,915			47,174
Total current liabilities	97,095			94,620
Long-term debt	110,800			90,700
Post retirement obligations	7,105			7,230
Other long-term obligations	2,200			9,169
Total Liabilities	217,200			201,719
Shareholders’ Equity
Common stock	302,146			300,909
Additional contributed capital	39,824			41,166
Retained earnings	401,569			381,840
Accumulated other comprehensive loss	(97,649		)	(99,005		)
Total shareholders’ equity before treasury stock	645,890			624,910
Treasury stock	(343,256		)	(343,256		)
Total shareholders’ equity	302,634			281,654
Total Liabilities and Shareholders’ Equity	$	519,834		$	483,373

See notes to unaudited condensed consolidated financial statements.

5

CTS CORPORATION AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS ‑ UNAUDITED

(In thousands of dollars)

	Six Months Ended
	June 30,			June 28,
	2016			2015
CASH FLOWS FROM OPERATING ACTIVITIES:
Net earnings	$	22,350		$	25,367
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	8,925			8,093
Pension and other post-retirement plan (income) expense	(794		)	3,297
Equity-based compensation	967			2,362
Restructuring charges	206			2,856
Prepaid pension assets	—			(4,422		)
Deferred income taxes	2,877			—
(Gain) loss on sales of fixed assets	(11,351		)	(1		)
(Gain) loss on foreign currency hedges	(3		)	—
Proceeds from settlement of foreign currency hedges	46			—
Changes in assets and liabilities:
Accounts receivable	(5,805		)	(6,628		)
Inventories	842			(2,914		)
Other assets	(2,115		)	(409		)
Accounts payable	169			1,556
Accrued payroll and benefits	876			(704		)
Accrued expenses	(2,594		)	(2,588		)
Income taxes payable	800			1,210
Other liabilities	(1,466		)	(11,581		)
Pension and other post-retirement plans	(175		)	—
Net cash provided by operating activities	13,755			15,494
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(7,483		)	(3,905		)
Proceeds from sale of assets	12,237			3
Payment for acquisition, net of cash acquired	(73,063		)	—
Net cash used in investing activities	(68,309		)	(3,902		)
CASH FLOWS FROM FINANCING ACTIVITIES:
Payments of long-term debt	(1,462,100		)	(562,300		)
Proceeds from borrowings of long-term debt	1,482,200			576,000
Purchase of treasury stock	—			(11,369		)
Dividends paid	(2,612		)	(2,668		)
Windfall tax benefits from equity awards	696			147
Proceeds from exercise of stock options	—			64
Net cash provided by (used in) financing activities	18,184			(126		)
Effect of exchange rate changes on cash and cash equivalents	(646		)	817
Net (decrease) increase in cash and cash equivalents	(37,016		)	12,283
Cash and cash equivalents at beginning of period	156,928			134,508
Cash and cash equivalents at end of period	$	119,912		$	146,791
Supplemental cash flow information:
Cash paid for interest	$	1,547		$	1,046
Cash paid for income taxes, net	$	8,703		$	4,248

See notes to unaudited condensed consolidated financial statements.

6

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED

(in thousands except for share and per share data)

June 30, 2016

NOTE 1—Basis of Presentation

The accompanying condensed consolidated financial statements have been prepared by CTS Corporation (“CTS” or “the Company”), without audit, pursuant to the rules and regulations of the Securities and Exchange Commission.  Certain information and footnote disclosures normally included in financial statements prepared in accordance with generally accepted accounting principles have been omitted pursuant to such rules and regulations. The unaudited condensed consolidated financial statements should be read in conjunction with the financial statements, notes thereto, and other information included in the Company’s Annual Report on Form 10‑K for the year ended December 31, 2015.

The accompanying unaudited condensed consolidated financial statements reflect, in the opinion of management, all adjustments (consisting of normal recurring items) necessary for a fair statement, in all material respects, of the financial position and results of operations for the periods presented.  The preparation of financial statements in conformity with generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reported period.  Actual results could differ materially from those estimates.  The results of operations for the interim periods are not necessarily indicative of the results for the entire year.

Subsequent Events

CTS has evaluated subsequent events and transactions for potential recognition or disclosure in the financial statements through the date the financial statements are issued.

Reclassifications

Certain prior period reclassifications have been made in the Condensed Consolidated Balance Sheet as a result of including our other post-retirement benefit plan liabilities in Post-retirement obligations as well as the retrospective application of a new accounting pronouncement upon the adoption of ASU 2015-17 (see Note 18 - Recent Accounting Pronouncements for additional details). The chart below quantifies the effects of these reclassification adjustments on our December 31, 2015, financial statements:

	At December 31, 2015
Consolidated Balance Sheet Line Item	As previously reported			Reclassification adjustment			As currently reported
Other current assets	$	15,888		$	(6,025	)	$	9,863
Deferred income taxes	$	58,544		$	5,265		$	63,809
Accrued liabilities	$	(53,905	)	$	6,731		$	(47,174	)
Post-retirement obligations	$	(2,703	)	$	(4,527	)	$	(7,230	)
Other long-term obligations	$	(7,725	)	$	(1,444	)	$	(9,169	)

NOTE 2 – Accounts Receivable

The components of accounts receivable are as follows:

	As of
	June 30,			December 31,
	2016			2015
Accounts receivable, gross	$	62,297		$	54,696
Less: Allowance for doubtful accounts	(172		)	(133		)
Accounts receivable, net	$	62,125		$	54,563

7

NOTE 3 – Inventories

Inventories consist of the following:

	As of
	June 30,			December 31,
	2016			2015
Finished goods	$	5,881		$	6,972
Work-in-process	8,501			6,828
Raw materials	17,856			16,991
Less: Inventory reserves	(6,260		)	(6,191		)
Inventories, net	$	25,978		$	24,600

NOTE 4 – Property, Plant and Equipment

Property, plant and equipment is comprised of the following:

	As of
	June 30,			December 31,
	2016			2015
Land	$	2,330		$	2,401
Buildings and improvements	63,053			65,731
Machinery and equipment	203,637			191,212
Less: Accumulated depreciation	(192,047		)	(189,472		)
Property, plant and equipment, net	$	76,973		$	69,872

NOTE 5 – Retirement Plans

Pension Plans

Net pension income for our domestic and foreign plans was as follows:

	Three Months Ended						Six Months Ended
	June 30,			June 28,			June 30,			June 28,
	2016			2015			2016			2015
Net pension income	$	(402	)	$	(530	)	$	(794	)	$	(1,059	)

The components of net pension (income) expense for our domestic and foreign plans include the following: 

	DomesticPension Plans						Foreign Pension Plans
	Three Months Ended						Three Months Ended
	June 30,			June 28,			June 30,		June 28,
	2016			2015			2016		2015
Service cost	$	22		$	42		$	13	$	16
Interest cost	2,756			2,815			11		124
Expected return on plan assets (1)	(4,744		)	(5,068		)	7		(134		)
Amortization of loss	1,498			1,585			35		90
(Income) expense, net	$	(468	)	$	(626	)	$	66	$	96

(1) Expected return on plan assets is net of expected investment expenses and certain administrative expenses.

8

	DomesticPension Plans						Foreign Pension Plans
	Six Months Ended						Six Months Ended
	June 30, 2016			June 28, 2015			June 30, 2016		June 28, 2015
Service cost	$	44		$	86		$	25	$	33
Interest cost	5,512			5,629			22		247
Expected return on plan assets (1)	(9,488		)	(10,136		)	14		(267		)
Amortization of loss	2,996			3,169			69		180
Other cost due to retirement	12			—			—		—
(Income) expense, net	$	(924	)	$	(1,252	)	$	130	$	193

(1) Expected return on plan assets is net of expected investment expenses and certain administrative expenses.

Other Post-retirement Benefit Plan

Net post-retirement expense for our post-retirement plan includes the following components:

	Three Months Ended						Six Months Ended
	June 30,			June 28,			June 30,			June 28,
	2016			2015			2016			2015
Other post-retirement benefit plan
Service cost	$	1		$	1		$	2		$	2
Interest cost	52			51			104			102
Amortization of gain	(37		)	(25		)	(75		)	(50		)
Post-retirement expense	$	16		$	27		$	31		$	54

NOTE 6 – Other Intangible Assets

Intangible assets consist of the following components:

	As of
	June 30, 2016
	Gross Carrying Amount		Accumulated Amortization			Net Amount
Amortized intangible assets:
Customer lists/relationships	$	63,386	$	(28,643	)	$	34,743
Patents	10,319		(10,319		)	—
Technology and other intangibles	36,715		(6,091		)	30,624
In process research and development	2,200		—			2,200
Other intangible assets, net	$	112,620	$	(45,053	)	$	67,567
Amortization expense for the three months ended June 30, 2016			$	1,522
Amortization expense for the six months ended June 30, 2016			$	2,617

9

	As of
	December 31, 2015
	Gross Carrying Amount		Accumulated Amortization			Net Amount
Amortized intangible assets:
Customer lists/relationships	$	51,804	$	(27,101	)	$	24,703
Patents	10,319		(10,319		)	—
Technology and other intangibles	12,871		(5,016		)	7,855
In process research and development	2,200		—			2,200
Other intangible assets, net	$	77,194	$	(42,436	)	$	34,758
Amortization expense for the three months ended June 28, 2015			$	984
Amortization expense for the six months ended June 28, 2015			$	1,957

Amortization expense remaining for other intangible assets is as follows: 

	Amortization expense
2016	$	2,933
2017	5,693
2018	5,573
2019	5,564
2020	5,564
Thereafter	42,240
Total amortization expense	$	67,567

NOTE 7 – Costs Associated with Exit and Restructuring Activities

Costs associated with exit and restructuring activities are recorded in the Condensed Consolidated Statement of Earnings as follows: restructuring related charges are recorded as a component of Cost of Goods Sold, and restructuring and impairment charges are reported on a separate line and included in Operating Earnings. 

Total restructuring, impairment and restructuring related charges were as follows:

	Three Months Ended
	June 30, 2016		June 28, 2015
Restructuring-related charges	$	—	$	217
Restructuring and impairment charges	206		2,118
Total restructuring, impairment, and restructuring-related charges	$	206	$	2,335

	Six Months Ended
	June 30, 2016		June 28, 2015
Restructuring-related charges	$	—	$	292
Restructuring and impairment charges	206		2,856
Total restructuring, impairment, and restructuring-related charges	$	206	$	3,148

10

In June 2016, CTS announced plans to restructure operations by phasing out production at the Elkhart facility by mid-2018 and transitioning it into a research and development center supporting CTS' global operations ("June 2016 Plan"). Additional organizational changes will also occur in various other locations. The cost of the plan is preliminarily expected to range between $16,000 and $18,000, including the severance charges below, however this range may change significantly as we are still in the early stages of estimating the cost of the Plan. The total restructuring liability related to the June 2016 Plan was $196 at June 30, 2016. Additional liabilities related to the June 2016 Plan will be accrued following finalization of cost estimates and notification of our plans to the affected employees following negotiations with employee labor representatives.

Total restructuring and impairment charges under the June 2016 Plan were as follows:

	Three Months Ended
	June 30, 2016	June 28, 2015
Restructuring and impairment charges	206	—

	Six Months Ended
	June 30, 2016	June 28, 2015
Restructuring and impairment charges	206	—

In April 2014, CTS announced plans to restructure its operations and consolidate its Canadian operations into other existing CTS facilities as part of CTS’ overall plan to simplify its business model and rationalize its global footprint (“April 2014 Plan”). 

During the second quarter of 2015, CTS management revised the April 2014 Plan.  The revision added $4,250 in planned costs.  Additional administrative and legal costs were expected to account for $1,300 of the additional restructuring and impairment charges.  The remaining $2,950 in restructuring related charges are for additional costs related to equipment relocation, training, travel and shipping.  

These restructuring actions, which were completed during 2015, resulted in the reduction of approximately 120 positions.

The following table displays the planned restructuring and restructuring-related charges associated with the April 2014 Plan, as well as a summary of the actual costs incurred through June 30, 2016:

			Actual costs
	Planned		incurred through
April 2014 Plan	Costs		June 30, 2016
Inventory write-down	$	850	$	—
Equipment relocation	1,800		444
Other charges	1,400		113
Restructuring-related charges, included in cost of goods sold	$	4,050	$	557
Workforce reduction	$	4,200	$	4,423
Asset impairment charge	—		—
Other charges, including pension termination costs	1,700		3,413
Restructuring and impairment charges	$	5,900	$	7,836
Total restructuring, impairment and restructuring related charges	$	9,950	$	8,393

11

Total restructuring, impairment and restructuring related charges under the April 2014 Plan were as follows: 

	Three Months Ended
	June 30, 2016		June 28, 2015
Restructuring-related charges	$	—	$	217
Restructuring and impairment charges	—		1,516
Total restructuring, impairment, and restructuring related charges	$	—	$	1,733

	Six Months Ended
	June 30, 2016		June 28, 2015
Restructuring-related charges	$	—	$	217
Restructuring and impairment charges	—		1,877
Total restructuring, impairment, and restructuring-related charges	$	—	$	2,094

Total restructuring liability related to the April 2014 Plan was $611 at June 30, 2016.

 In June 2013, CTS announced a restructuring plan to simplify CTS’ global footprint by consolidating manufacturing facilities into existing locations (“June 2013 Plan”).  The June 2013 Plan included the consolidation of operations from the U.K. manufacturing facility into the Czech Republic facility, the Carol Stream, Illinois manufacturing facility into the Juarez, Mexico facility and discontinuing manufacturing at the Singapore facility.   Certain corporate functions were consolidated or eliminated as a result of the June 2013 Plan. These restructuring actions were completed in 2015 and resulted in the reduction of approximately 350 positions.

During the fourth quarter of 2014, CTS management revised the June 2013 Plan.  The revision added $4,000 in planned costs.  Settlement of the U.K. pension plan was expected to account for $2,000 of the added cost.  The remaining $2,000 in restructuring and impairment charges were for severance costs and resulted in the reduction of approximately 130 additional positions throughout CTS businesses. The above actions were completed in 2015.

The following table displays the planned restructuring and restructuring-related charges associated with the June 2013 Plan and a summary of the actual costs incurred through June 30, 2016:

			Actual
	Planned		incurred through
June 2013 Plan	Costs		June 30, 2016
Inventory write-down	$	800	$	1,143
Equipment relocation	900		1,792
Other charges	100		702
Restructuring-related charges, included in cost of goods sold	$	1,800	$	3,637
Workforce reduction	$	10,150	$	9,615
Asset impairment charge	3,000		4,139
Other charges, including pension termination costs	7,650		10,205
Restructuring and impairment charges	$	20,800	$	23,959
Total restructuring and restructuring-related charges	$	22,600	$	27,596

12

Under the June 2013 Plan, total restructuring, impairment and restructuring related charges incurred were as follows:

	Three Months Ended
	June 30, 2016		June 28, 2015
Restructuring-related charges	$	—	$	—
Restructuring and impairment charges	—		602
Total restructuring, impairment, and restructuring-related charges	$	—	$	602

	Six Months Ended
	June 30, 2016		June 28, 2015
Restructuring-related charges	$	—	$	75
Restructuring and impairment charges	—		979
Total restructuring, impairment, and restructuring-related charges	$	—	$	1,054

No remaining liability is recorded for the June 2013 Plan as of June 30, 2016.

The following table displays the restructuring liability activity for all plans for the period ended June 30, 2016: 

Combined Plans
Restructuring liability at January 1, 2016	$	826
Restructuring and restructuring-related charges, excluding asset impairments and write-offs	206
Cost paid	(265		)
Other activity (1)	$	40
Restructuring liability at June 30, 2016	$	807

(1) Other activity includes asset impairments, write-offs of property, plant and equipment, the effects of currency translation and other charges that do not flow through restructuring expense.

NOTE 8 – Accrued Liabilities

The components of accrued liabilities are as follows: 

	As of
	June 30,		December 31,
	2016		2015
Accrued product related costs	$	4,873	$	5,245
Accrued income taxes	9,655		8,845
Accrued property and other taxes	1,750		1,838
Accrued outside commissions	1,294		97
Accrued professional fees	1,465		704
Accrued building improvement costs	1,709		1,768
Dividends payable	1,310		1,302
Remediation reserves	19,575		20,603
Other accrued liabilities	5,284		6,772
Total accrued liabilities	$	46,915	$	47,174

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NOTE 9 – Contingencies

Certain processes in the manufacture of CTS' current and past products create hazardous waste by-products as currently defined by federal and state laws and regulations. CTS has been notified by the U.S. Environmental Protection Agency, state environmental agencies, and in some cases, generator groups, that it is or may be a potentially responsible party regarding hazardous substances at several sites either presently or historically owned, leased, or operated by CTS. Some sites are Superfund sites such as in Asheville, North Carolina and Mountain View, California. CTS reserves for probable remediation activities and for claims and proceedings against CTS with respect to other environmental matters. CTS records reserves on a undiscounted basis. In the opinion of management, based upon presently available information relating to all such matters, adequate provision for probable and estimable costs have been recorded. We do not have any known environmental obligations where a loss is probable or reasonably possible of occurring for which we do not have a reserve, nor do we have any amounts for which we have not reserved because the amount of the loss cannot be reasonably estimated. Due to the inherent nature of environmental obligations, CTS cannot provide assurance that its ultimate environmental investigation and clean-up costs and liabilities will not materially exceed the amount of its current reserve. Our reserve and disclosures will be adjusted accordingly if additional information becomes available in the future.

Unrelated to the environmental claims described above, certain other claims are pending against CTS with respect to matters arising out of the ordinary conduct of CTS’ business. Although the ultimate outcome of any potential litigation resulting from these claims cannot be predicted with certainty, and some may be disposed of unfavorably to CTS, management believes that adequate provision for anticipated costs have been established based upon all presently available information. Except as noted herein, we do not believe we have any pending loss contingencies that are probable or reasonably possible of having a material impact on our consolidated financial position, results of operations, or cash flows.

NOTE 10 - Debt

Long-term debt was comprised of the following:

	As of
	June 30,			December 31,
	2016			2015
Revolving credit facility due in 2020	$	110,800		$	90,700
Weighted average interest rate	1.9		%	1.5		%
Amount available	$	187,035		$	106,985
Total credit facility	$	300,000		$	200,000
Standby letters of credit	$	2,165		$	2,315
Commitment fee percentage per annum	0.30		%	0.25		%

On August 10, 2015, CTS entered into a new five-year credit agreement with a group of banks (“Revolving Credit Facility”) in order to support CTS’ working capital needs and other general corporate purposes.  The Revolving Credit Facility originally provided for a credit line of $200,000. This Revolving Credit Facility replaced a prior unsecured credit facility.  Borrowings under the previous credit agreement were refinanced under the Revolving Credit Facility and the previous credit agreement was terminated on August 10, 2015. On May 23, 2016, CTS requested and received a $100,000 increase in the aggregate revolving credit commitments under its existing credit agreement, which increased the credit line from $200,000 to $300,000.  

The Revolving Credit Facility includes a swing line sublimit of $15,000 and a letter of credit sublimit of $10,000.  Borrowings under the Revolving Credit Facility bear interest, at CTS’ option, at the base rate plus the applicable margin for base rate loans or LIBOR plus the applicable margin for LIBOR loans.  CTS also pays a quarterly commitment fee on the unused portion of the Revolving Credit Facility.  The commitment fee ranges from 0.20% to 0.40% based on the CTS’ total leverage ratio. 

The Revolving Credit Facility requires, among other things, that CTS comply with a maximum total leverage ratio and a minimum fixed charge coverage ratio.  Failure of CTS to comply with these covenants could reduce the borrowing availability under the Revolving Credit Facility.  CTS was in compliance with all debt covenants at June 30, 2016.  The Revolving Credit Facility requires that CTS deliver quarterly financial statements, annual financial statements, auditors certifications and compliance certificates within a specified number of days after the end of a quarter and year. Additionally, the Revolving Credit Facility contains restrictions limiting CTS' ability to: dispose of assets; incur certain additional debt; repay other debt or amend subordinated debt instruments; create liens on assets; make investments, loans or advances; make acquisitions or engage in mergers or consolidations; engage in certain transactions with CTS' subsidiaries and affiliates; and make stock repurchases and dividend payments.  Interest rates on

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the Revolving Credit Facility fluctuate based upon the London Interbank Offered Rate and the Company’s quarterly total leverage ratio.  

CTS has debt issuance costs related to its long-term debt that are being amortized using the straight-line method over the life of the debt. These costs are included in interest expense in our Statement of Earnings. Amortization expense was approximately $32 and $50 for the three months ended June 30, 2016 and June 28, 2015, respectively, and approximately $70 and $100 for the first six months ended June 30, 2016 and June 28, 2015, respectively. 

Note 11 - Derivative Financial Instruments

Our earnings and cash flows are subject to fluctuations due to changes in foreign currency exchange rates and interest rates. We selectively use derivative financial instruments including foreign currency forward contracts and interest rate swaps to manage our exposure to these risks.

The use of derivative financial instruments exposes the Company to credit risk, which relates to the risk of nonperformance by a counterparty to the derivative contracts. We manage our credit risk by entering into derivative contracts with only highly rated financial institutions and by using netting agreements.

Foreign Currency Hedges

In January of 2016, we began using forward contracts to mitigate currency risk related to a portion of our forecasted foreign currency revenues and costs. The currency forward contracts are designed as cash flow hedges and are recorded in the Condensed Consolidated Balance Sheets at fair value. At least quarterly, we assess the effectiveness of these hedging relationships based on the total change in their fair value using regression analysis. The effective portion of derivative gains and losses are recorded in accumulated other comprehensive loss until the hedged transaction affects earnings upon settlement, at which time they are reclassified to cost of goods sold or net sales. Ineffectiveness is recorded in other income (expense) in our Condensed Consolidated Statement of Earnings. If it becomes probable that an anticipated transaction that is hedged will not occur by the end of the originally specified time period, we reclassify the gains or losses related to that hedge from accumulated other comprehensive income to other income (expenses).

We continue to monitor the Company’s overall currency exposure and may elect to add cash flow hedges in the future. At June 30, 2016, we had a net unrealized gain of $77 in accumulated other comprehensive income, which is expected to be reclassified to income within the next 12 months. The notional amount of foreign currency forward contracts outstanding was $10.8 million at June 30, 2016.

Interest Rate Swaps

CTS uses interest rate swaps to convert the revolving credit facility’s variable rate of interest into a fixed rate. In the second quarter of 2012, CTS entered into four separate interest rate swap agreements to fix interest rates on $50,000 of long-term debt for the periods January 2013 to January 2017. In the third quarter of 2012, CTS entered into four additional interest rate swap agreements to fix interest rates on $25,000 of long-term debt for the periods January 2013 to January 2017. The difference to be paid or received under the terms of the swap agreements will be recognized as an adjustment to interest expense when settled.

These swaps are treated as cash flow hedges and consequently, the changes in fair value were recorded in other comprehensive income (loss). The estimated net amount of the existing gains or losses that are reported in accumulated other comprehensive income (loss) that is expected to be reclassified into earnings within the next twelve months is approximately $480. 

The location and fair values of derivative instruments designated as hedging instruments in the Condensed Consolidated Balance Sheets as of June 30, 2016, are shown in the following table:

	As of
	June 30,			December 31,
	2016			2015
Foreign currency hedges reported in Other current assets	$	34		$	—
Interest rate swaps reported in Accrued liabilities	$	(480	)	$	(768	)

The Company has elected to net its foreign currency derivative assets and liabilities in the balance sheet in accordance with ASC 210-20. On a gross basis, there were foreign currency derivative assets of $107 and foreign currency derivative liabilities of $73.

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The effect of derivative instruments on the Condensed Consolidated Statements of Earnings is as follows:

	Three Months Ended					Six Months Ended
	June 30,			June 28,		June 30,			June 28,
	2016			2015		2016			2015
Foreign Exchange Contracts:
Loss recognized in Net Sales	$	(84	)	$	—	$	(91	)	$	—
Gain recognized in Cost of Goods Sold	88			—		88			—
Gain recognized Selling, General and Administrative expense	6			—		10			—
Loss recognized in Other (expenses) income	—			—		(1		)	—
Interest Rate Swaps:
Interest Expense	$	161		$	192	$	313		$	382
Total	$	171		$	192	$	319		$	382

NOTE 12 – Accumulated Other Comprehensive (Loss) Income

Shareholders’ equity includes certain items classified as accumulated other comprehensive (loss) income (“AOCI”) in the Condensed Consolidated Balance Sheets, including:

Unrealized gains (losses) on hedges relate to interest rate swaps to convert the line of credit’s variable rate of interest into a fixed rate and foreign currency forward contracts used to hedge our exposure to changes in exchange rates affecting certain revenues and costs denominated in foreign currencies. These hedges are designated as cash flow hedges, and CTS has deferred income statement recognition of gains and losses until the hedged transaction occurs, at which time amounts are reclassified into earnings.  Further information related to CTS’ derivative financial instruments is included in Note 11 - Derivative Financial Instruments and Note 15 – Fair Value Measurements.

Unrealized gains (losses) on pension obligations are deferred from income statement recognition until the gains or losses are realized.  Amounts reclassified to income from AOCI are included in net periodic pension expense.  Further information related to CTS’ pension obligations is included in NOTE 5 – Retirement Plans.

Cumulative translation adjustment relates to our non-U.S. subsidiary companies that have designated a functional currency other than the U.S. dollar. CTS is required to translate the subsidiary functional currency financial statements to dollars using a combination of historical, period-end, and average foreign exchange rates. This combination of rates creates the foreign currency translation adjustment component of other comprehensive (loss) income.  

Changes in exchange rates between the functional currency and the currency in which a transaction is denominated are foreign exchange transaction gains or losses. Transaction (losses)/gains for the three and six month periods ended June 30, 2016 were ($1,260) and ($1,491), respectively, and for the three and six month periods ended June 28, 2015 were $125 and ($1,563), respectively, which are included in other income/(expenses) in the Condensed Consolidated Statement of Earnings.

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The components of accumulated other comprehensive (loss) income for the three months ended June 30, 2016, are as follows:

							Gain (Loss)
	As of			Gain (Loss)			reclassified			As of
	March 31,			Recognized			from AOCI			June 30,
	2016			in OCI			to income			2016
Changes in fair market value of hedges:
Gross	$	(295	)	$	(337	)	$	229		$	(403	)
Income tax expense (benefit)	110			127			(86		)	151
Net	(185		)	(210		)	143			(252		)
Changes in unrealized pension cost:
Gross	(160,268		)	—			1,505			(158,763		)
Income tax expense (benefit)	63,818			—			(558		)	63,260
Net	(96,450		)	—			947			(95,503		)
Cumulative translation adjustment:
Gross	(1,685		)	(310		)	—			(1,995		)
Income tax expense (benefit)	108			(7		)	—			101
Net	(1,577		)	(317		)	—			(1,894		)
Total accumulated other comprehensive (loss) income	$	(98,212	)	$	(527	)	$	1,090		$	(97,649	)

The components of accumulated other comprehensive (loss) income for the three months ended June 28, 2015, are as follows:

							Gain (Loss)
	As of			Gain (Loss)			reclassified			As of
	March 29,			Recognized			from AOCI			June 28,
	2015			in OCI			to income			2015
Changes in fair market value of hedges:
Gross	$	(1,157	)	$	(82	)	$	192		$	(1,047	)
Income tax expense (benefit)	435			31			(72		)	394
Net	(722		)	(51		)	120			(653		)
Changes in unrealized pension cost:
Gross	(167,361		)	1,199			—			(166,162		)
Income tax expense (benefit)	64,451			(494		)	—			63,957
Net	(102,910		)	705			—			(102,205		)
Cumulative translation adjustment:
Gross	(491		)	1,064			—			573
Income tax expense (benefit)	(42		)	427			—			385
Net	(533		)	1,491			—			958
Total accumulated other comprehensive (loss) income	$	(104,165	)	$	2,145		$	120		$	(101,900	)

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The components of accumulated other comprehensive (loss) income for the six months ended June 30, 2016, are as follows:

							Gain (Loss)
	As of			Gain (Loss)			reclassified			As of
	December 31,			Recognized			from AOCI			June 30,
	2015			in OCI			to income			2016
Changes in fair market value of hedges:
Gross	$	(768	)	$	(95	)	$	460		$	(403	)
Income tax expense (benefit)	289			36			(174		)	151
Net	(479		)	(59		)	286			(252		)
Changes in unrealized pension cost:
Gross	(161,719		)	—			2,956			(158,763		)
Income tax expense (benefit)	64,361			—			(1,101		)	63,260
Net	(97,358		)	—			1,855			(95,503		)
Cumulative translation adjustment:
Gross	(1,279		)	(716		)	—			(1,995		)
Income tax expense (benefit)	111			(10		)	—			101
Net	(1,168		)	(726		)	—			(1,894		)
Total accumulated other comprehensive (loss) income	$	(99,005	)	$	(785	)	$	2,141		$	(97,649	)

The components of accumulated other comprehensive (loss) income for the six months ended June 28, 2015, are as follows:

							Gain (Loss)
	As of			Gain (Loss)			reclassified			As of
	December 31,			Recognized			from AOCI			June 28,
	2014			in OCI			to income			2015
Changes in fair market value of hedges:
Gross	$	(1,020	)	$	(409	)	$	382		$	(1,047	)
Income tax expense (benefit)	384			154			(144		)	394
Net	(636		)	(255		)	238			(653		)
Changes in unrealized pension cost:
Gross	(169,291		)	3,129			—			(166,162		)
Income tax expense (benefit)	65,124			(1,167		)	—			63,957
Net	(104,167		)	1,962			—			(102,205		)
Cumulative translation adjustment:
Gross	245			328			—			573
Income tax expense (benefit)	325			60			—			385
Net	$	570		$	388		$	—		$	958
Total accumulated other comprehensive (loss) income	$	(104,233	)	$	2,095		$	238		$	(101,900	)

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NOTE 13 – Shareholders’ Equity

Share count and par value data related to shareholders’ equity are as follows:

	As of
	June 30,	December 31,
	2016	2015
Preferred Stock
Par value per share	No par value	No par value
Shares authorized	25,000,000	25,000,000
Shares outstanding	—	—
Common Stock
Par value per share	No par value	No par value
Shares authorized	75,000,000	75,000,000
Shares issued	56,452,983	56,242,499
Shares outstanding	32,758,961	32,548,477
Treasury stock
Shares held	23,694,022	23,694,022

Through June 30, 2016, CTS had purchased 164,852 shares of common stock for an aggregate of $2,893 under a previously board-authorized share repurchase plan. No common stock repurchases were made during the six months ending June 30, 2016. Approximately $17,554 is available for future purchases.

A roll-forward of common shares outstanding is as follows:

	Six Months Ended
	June 30,	June 28,
	2016	2015
Balance at the beginning of the year	32,548,477	33,392,060
Repurchases	—	(626,882	)
Shares issued upon exercise of stock options	—	5,200
Restricted share issuances	210,484	133,353
Balance at the end of the period	32,758,961	32,903,731

Certain potentially dilutive restricted stock units are excluded from diluted earning per share because they are anti-dilutive. The number of awards that were anti-dilutive at June 30, 2016 and June 28, 2015 were 11,600 and 0, respectively.

NOTE 14 - Equity-Based Compensation

At June 30, 2016, CTS had four equity-based compensation plans: the Nonemployee Directors’ Stock Retirement Plan (“Directors’ Plan”), the 2004 Omnibus Long-Term Incentive Plan (“2004 Plan”), the 2009 Omnibus Equity and Performance Incentive Plan (“2009 Plan”), and the 2014 Performance & Incentive Plan (“2014 Plan”).  Future grants can only be made under the 2014 Plan.

The 2009 Plan, and previously the 2004 Plan, provides for grants of incentive stock options or nonqualified stock options to officers, key employees, and non-employee members of CTS’ Board of Directors.  In addition, the 2014 Plan, the 2009 Plan and the 2004 Plan allow for grants of stock appreciation rights, restricted stock, restricted stock units ("RSUs"), performance shares, performance units, and other stock awards.

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The following table summarizes the compensation expense included in selling, general and administrative expenses in the Condensed Consolidated Statements of Earnings related to equity-based compensation plans:

	Three Months Ended				Six Months Ended
	June 30,		June 28,		June 30,			June 28,
	2016		2015		2016			2015
Service-Based RSUs	$	436	$	400	$	948		$	949
Performance-Based RSUs	130		251		(25		)	771
Market-Based RSUs	119		191		44			642
Total	$	685	$	842	$	967		$	2,362
Income tax benefit	$	257	$	317	$	363		$	888

The following table summarizes the unrecognized compensation expense related to non-vested RSUs by type and the weighted-average period in which the expense is to be recognized:

	Unrecognized
	compensation		Weighted-
	expense at		average
	June 30, 2016		period
Service-Based RSUs	$	2,084	1.4 years
Performance-Based RSUs	698		1.5 years
Market-Based RSUs	638		1.4 years
Total	$	3,420	1.4 years

CTS recognizes expense on a straight-line basis over the requisite service period for each separately vesting portion of the award as if the award was, in substance, multiple awards.

The following table summarizes the maximum number of awards available to be granted under these plans as of June 30, 2016:

	2014 Plan	2009 Plan	2004 Plan	Directors' Plan
Awards originally available	1,500,000	3,400,000	6,500,000	N/A
Stock options outstanding	—	—	—	—
Options exercisable	—	—	—	—
Performance-based options outstanding	325,000	—	—	—
Service-based RSUs outstanding	257,371	170,442	78,947	25,985
Performance and market-based RSUs outstanding at 200% of target	351,300	86,120	—	—
RSUs vested and released	48,339	—	—	—
Awards available for grant	517,990	256,562	78,947	25,985

Stock Options

Stock options are exercisable in cumulative annual installments over a maximum 10-year period, commencing at least one year from the date of grant.  Stock options are generally granted with an exercise price equal to the market price of CTS’ stock on the date of grant, vest over four years, and have a 10-year contractual life.  The awards generally contain provisions to either accelerate vesting or allow vesting to continue on schedule upon retirement if certain service and age requirements are met.   The awards also provide for accelerated vesting if there is a change in control event. CTS has no stock options exercisable or outstanding as of June 30, 2016, other than the performance-based stock options described below.

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Performance-Based Stock Options

During the second quarters of 2015 and 2016, the Compensation Committee of the Board of Directors of the Company (the “Committee”) granted a total of 325,000 performance-based stock option awards (“Performance-Based Option Awards”) for certain CTS employees under the 2014 Plan.  The Performance-Based Option Awards have an exercise price of $18.37, a term of five years, and generally will become exercisable (provided the optionee remains employed by CTS or an affiliate) upon CTS’ attainment of at least $600,000 in revenues during any of CTS’ four-fiscal-quarter trailing periods (as determined by the Committee) during the term.  CTS has not recognized any expense on these Performance-Based Option Awards for the six months ended June 30, 2016, since the revenue target is not deemed likely to be attained based on our current forecast.

Service-Based Restricted Stock Units

Service-based RSUs entitle the holder to receive one share of common stock for each unit when the unit vests.  RSUs are issued to officers, key employees and non-employee directors as compensation.  Generally, the RSUs vest over a three-year period.  RSUs granted to non-employee directors vest one month after the grant date.  Upon grant, each non-employee director elects to either receive the stock associated with the RSU immediately upon vesting, or defer receipt of the stock until his or her retirement from the Board of Directors.  The fair value of the RSUs is equivalent to the trading value of CTS’ common stock on the grant date.

A summary of the status of RSUs granted under the 2004, 2009, and 2014 plans is presented below: 

	Six Months Ended
	June 30, 2016
	Units		Weighted Average Grant Date Fair Value
Outstanding at January 1, 2016	471,196		$	13.27
Granted	164,922		13.97
Vested and released	(97,298	)	14.39
Forfeited	(32,060	)	17.05
Outstanding at June 30, 2016	506,760		$	13.13
Releasable at June 30, 2016	277,749		$	11.33

A summary of the status of RSUs granted under the Director's Plan is presented below:

	Six Months Ended
	June 30, 2016
	Units		Weighted Average Grant Date Fair Value
Outstanding at January 1, 2016	33,974		$	11.75
Granted	—		—
Vested and released	(7,989	)	11.75
Forfeited	—		—
Outstanding at June 30, 2016	25,985		$	11.75
Releasable at June 30, 2016	25,985		$	11.75

Performance and Market-Based Restricted Stock Units

CTS grants performance-based restricted stock unit awards to certain executives. Vesting may occur in the amount of zero percent to 200% of the grant target.  Vesting is subject to certification of the financial results for the last year in the performance period by CTS’ independent auditors. The number of awards vesting is dependent upon CTS’ achievement of either sales growth targets or cash flow targets as defined in the agreements.

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CTS grants market-based restricted stock unit awards to certain executives and key employees. Vesting may occur in the amount of zero percent to 200% of the grant target.  Vesting is subject to certification of the financial results for the last year of the target range by CTS’ independent auditors.  The number of awards vesting is determined using a matrix based on a percentile ranking of CTS' total stockholder return with a peer group total shareholder return over the three-year period comprising the performance period. Vesting is tied exclusively to CTS' total stockholder return relative to peer group companies’ total stockholder return rates during the performance period.  

The following table summarizes the performance and market-based RSU activity as of and for the six months ended June 30, 2016:

	Units		Weighted Average Grant Date Fair Value
Outstanding at January 1, 2016, at target	249,560		14.59
Granted, at target	108,650		13.56
Attained by performance	97,017		10.48
Vested and released	(234,517	)	10.52
Forfeited, at target	(9,000	)	17.14
Outstanding at June 30, 2016, at target	211,710		16.58
Maximum potential units outstanding at June 30, 2016	437,420		16.63

NOTE 15 — Fair Value Measurements

CTS uses interest rate swaps to convert our line of credit’s variable rate of interest into a fixed rate and foreign currency forward contracts to hedge the effect of foreign currency changes on certain revenues and costs denominated in foreign currencies. These derivative financial instruments are measured at fair value on a recurring basis.  The table below summarizes CTS’ financial assets (liabilities) that were measured at fair value at June 30, 2016:

				Quoted
				Prices
				in Active		Significant
	Carrying			Markets for		Other			Significant
	Value at			Identical		Observable			Unobservable
	June 30,			Instruments		Inputs			Inputs
	2016			(Level 1)		(Level 2)			(Level 3)
Interest rate swaps	$	(480	)	$	—	$	(480	)	$	—
Foreign currency hedges	$	34		$	—	$	34		$	—

The table below summarizes the financial liability that was measured at fair value on a recurring basis as of December 31, 2015:

				Quoted
				Prices
				in Active		Significant
	Carrying			Markets for		Other			Significant
	Value at			Identical		Observable			Unobservable
	December 31,			Instruments		Inputs			Inputs
	2015			(Level 1)		(Level 2)			(Level 3)
Interest rate swaps	$	(768	)	$	—	$	(768	)	$	—

The fair value of our interest rate swaps and foreign currency hedges were measured using standard valuation models using market-based observable inputs over the contractual terms, including forward yield curves, among others. There is a readily determinable market for these derivative instruments, but that market is not active and therefore they are classified within level 2 of the fair value hierarchy.

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The table below provides a reconciliation of the recurring financial assets (liabilities) for our derivative instruments:

				Foreign
	Interest			Currency
	Rate Swaps			Hedges
Balance at January 1, 2015	$	(1,020	)	$	—
Realized gains (losses) included in earnings	768			—
Unrealized gains (losses)	(516		)	—
Balance at December 31, 2015	$	(768	)	$	—
Realized gains (losses) included in earnings	472			3
Unrealized gains (losses)	(184		)	31
Balance at June 30, 2016	$	(480	)	$	34

CTS' long-term debt consists of the Revolving Credit Facility which is recorded at its carrying value. There is a readily determinable market for CTS' long-term debt and it is classified within Level 2 of the fair value hierarchy as the market is not deemed to be active. The fair value of long-term debt approximates carrying value and was determined by valuing a similar hypothetical coupon bond and attributing that value to our long-term debt under the Revolving Credit Facility.

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NOTE 16 — Income Taxes

The effective tax rates for the first quarter 2016 and 2015 are as follows:

	Three Months Ended				Six Months Ended
	June 30,		June 28,		June 30,		June 28,
	2016		2015		2016		2015
Effective tax rate	34.7	%	(75.7	)%	34.5	%	(27.7	)%

CTS' effective income tax rate for was 34.7% and (75.7)% in the second quarter of 2016 and 2015, respectively. The tax rate in the second quarter and first six months of 2016 reflected the change in the mix of earnings by jurisdiction, the impact of discrete items, the company’s decision to no longer permanently reinvest the earnings of its Canadian and U.K. subsidiaries, and tax expense for withholding taxes on earnings in China that are not anticipated to be maintained in China. CTS began recording tax expense for withholding taxes in China in the fourth quarter of 2015 and expects to continue this practice going forward. During the second quarter and first six months of 2015, CTS reflected a benefit attributable to filing amended U.S. federal tax returns in order to take credits for foreign taxes paid which was partially offset by a reserve recorded on an uncertain tax position.

CTS’ continuing practice is to recognize interest and/or penalties related to income tax matters as income tax expense. For the three months ended June 30, 2016, and June 28, 2015, CTS accrued $186 and $820 of interest or penalties in income tax expense.  

Note 17 - Business Combinations

On March 11, 2016, CTS acquired all of the outstanding membership interests in CTG Advanced Materials, LLC (“CTG-AM”), a privately-held company, for $73 million in cash plus a working capital adjustment. CTG-AM, formerly operated as H.C. Materials, is the market leading designer and manufacturer of single crystal piezoelectric materials, serving major original equipment manufacturers throughout the medical marketplace. These materials enable high definition ultrasound imaging (3D and 4D), as well as intravascular ultrasound applications. Other applications for these materials include wireless pacemakers, implantable hearing aids, and defense technologies.

With the CTG-AM acquisition, CTS gains technology and proprietary manufacturing methods that expand its offering of piezoelectric materials. This allows CTS to become the leading large-scale commercial producer of both single crystal materials and traditional piezoelectric ceramics.

The purchase price of $73,063, net of cash acquired of $4, has been allocated to the fair values of assets and liabilities acquired as of March 11, 2016.

The following table summarizes the fair values of the assets acquired and the liabilities assumed at the date of acquisition:

	Fair Values at March 11, 2016
Current assets	$	4,215
Property, plant and equipment	6,173
Other assets	37
Goodwill	27,879
Intangible assets	35,427
Fair value of assets acquired	73,731
Less fair value of liabilities acquired	(668		)
Net cash paid	$	73,063

Goodwill represents value the Company expects to be created by combining the operations of the acquired business with the Company's operations, including the expansion into markets within our existing business, access to new customers, and potential cost savings and synergies. Goodwill related to the acquisition is expected to be deductible for tax purposes.

The following table summarizes the carrying amounts and weighted average lives of the acquired intangible assets:

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Intangible Asset Type	Fair Value		Weighted Average Amortization Period (in years)
Developed Technology	$	23,730	15.0
Customer Relationships and Contracts	11,502		14.6
Other	195		0.8
Total	$	35,427

CTS incurred $804 in transaction related costs during the six months ended June 30, 2016. These costs are included in selling, general, and administrative costs in our Condensed Consolidated Statement of Earnings.

Results of operations for CTG -AM are included in our consolidated condensed financial statements beginning on March 11, 2016. The amount of net sales and net loss from CTG-AM since the acquisition date that have been included in the Condensed Consolidated Statement of Earnings are as follows:

	For the period March 11, 2016 through June 30, 2016
Net sales	$	3,876
Net loss	$	111

Supplemental Pro Forma Information

The unaudited pro forma amounts below include CTG-AM's revenues and earnings that would have been included in our Condensed Consolidated Statement of Earnings had the acquisition date been January 1, 2015.

	Three Months Ended				Six Months Ended
	June 30,		June 28,		June 30,		June 28,
	2016		2015		2016		2015
Net sales	$	98,693	$	103,689	$	197,710	$	205,290
Net earnings	$	14,487	$	19,640	$	22,249	$	26,298
Earnings per share:
Basic	$	0.44	$	0.59	$	0.68	$	0.79
Diluted	$	0.44	$	0.59	$	0.67	$	0.78

The pro forma results have been prepared for informational purposes only and include adjustments to amortize acquired intangible assets with finite life, reflect additional interest expense on debt used to fund the acquisition, and to record the tax consequences of the pro forma adjustments. Included in the pro forma results are nonrecurring expenses for transaction costs of $0 and $804 and additional cost of goods sold of $750 and $1,151 for the three and six month periods ended June 30, 2016 for inventory recognized at fair value as a result of acquisition-related adjustments.

NOTE 18 — Recent Accounting Pronouncements

ASU 2016-9 "Compensation-Stock Compensation (Topic 718): Improvement to Employee Share Based Payment Accounting"

In March 2016, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") No. 2016-09, “Improvements to Employee Share-Based Payment Accounting.” This ASU simplifies several aspects of the accounting for share-based payment transactions, including the income tax consequences, forfeitures, classification of awards as either equity or liabilities, and classification on the statement of cash flows. The guidance is effective for annual reporting periods beginning after December 15, 2016, including interim periods. Early adoption is permitted. An entity that elects early adoption of the amendment

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under this ASU must adopt all aspects of the amendment in the same period. We are currently evaluating the impact this guidance will have on our consolidated financial statements.

ASU 2016-5 "Derivatives and Hedging (Topic 815): Effect of Derivative Contract Novations on Existing Hedge Accounting Relationships"

In March 2016, the FASB issued ASU No. 2016-5 "Derivatives and Hedging (Topic 815): Effect of Derivative Contract Novations on Existing Hedge Accounting Relationships". This amendment clarifies that a change in the counterparty to a derivative instrument does not on its own require dedesignation of the hedging instrument under Topic 815, provided that all other hedge accounting criteria (including those in paragraphs 815-20-35-14 through 35-18) continue to be met. This update can be applied prospectively or retrospectively and is effective for fiscal years beginning after December 15, 2016, and interim periods within those years. This update is not expected to have an impact to our financial statements.

ASU 2016-2 "Leases (Topic 842)"

In February 2016, the FASB issued ASU 2016-2, "Leases (Topic 842)". This amendment created a new Topic under the accounting standards codification to account for the provisions of the ASU. This amendment is meant to provide transparency and to improve comparability between entities. The ASU requires companies to record an asset and liability to the balance sheet for leases that were formerly designated as operating leases as well as leases designated as financing leases. The provisions of the ASU predominately change the recognition of leases for lessees, the provisions do not substantially change the accounting for lessors. This ASU will supersede the provisions of Topic 840 Leases.

The liability recorded for a lease is meant to recognize the lease payments and the asset as a right to use the underlying asset for the lease, including optional periods if it is reasonably certain the option will be exercised. Recording of the liability should be based on the present value of the lease payments. If a lease term is less than twelve month, a company is allowed to elect not to record the asset and liability. Expense related to these leases are to be amortized straight-line over the term of the lease.

Additionally, the provisions of this ASU provide additional guidance on separating lease terms from maintenance and other type of provisions that provide a good or service, accounting for sale-leaseback provisions, and leveraged leases.

Reporting in the cash flow statement remains virtually unchanged as the lease payments will continue to be recognized within financing activities and the change in interest within operating activities. Reporting for operating leases remain within operating activities. Additional qualitative and quantitative disclosures are required.

These updates are required to be applied under a modified retrospective approach from the beginning of the earlier period presented. The modified approach provides optional practical expedients that may be elected, which will allow companies to continue to account for leases under the previous guidance for leases that commenced prior to the effective date.

The provisions of this ASU are effective for fiscal years beginning after December 15, 2018, and interim periods within those periods. Early adoption is allowed. The provisions of this guidance are still being evaluated and the impact on CTS' financial statements has not yet been determined.

ASU 2015-17, “Income Taxes (Topic 740): Balance Sheet Classification of Deferred Taxes”

In November 2015, FASB issued ASU 2015-17, "Income Taxes (Topic 740): Balance Sheet Classification of Deferred Taxes".The amendment requires Company's to begin classifying all deferred income taxes as non-current. The provisions are expected to simplify the presentation of deferred income taxes and align the presentation of deferred income taxes with the International Financial Reporting Standards ("IFRS"). The amendments in this update are effective for annual periods beginning after December 16, 2016, and interim periods within those annual periods. The update can be applied prospectively or retrospectively.

The Company early adopted the above guidance on January 1, 2016 and elected to retrospectively apply its provisions. This resulted in reclassification of the amounts in our December 31, 2015 Consolidated Balance Sheet as shown in Note 1 - Basis of Presentation.

ASU 2015-16, “Business Combinations (Topic 805): Simplifying the Accounting for Measurement-Period Adjustments”

In September 2015, the FASB issued Accounting Standards Update (“ASU”) 2015-16, "Business Combinations (Topic 805) Simplifying the Accounting for Measurement-Period Adjustments of Inventory". The amendments clarify that an acquirer recognize adjustments to provisional amounts that are identified during the measurement period in the reporting period in which the adjustment amounts are determined. The acquirer needs to record, in the same period’s financial statements, the effect of changes in depreciation, amortization, or other income as a result of the change to the provisional amounts as if the accounting had been completed at the acquisition date. This amendment requires an entity to present separately on the face of the income statement or disclose in the notes the portion of the amount recorded in current period earnings by line item, as if the provisional adjustments had been recognized as of the acquisition date. This ASU became effective for CTS on January 1, 2016 and its provisions did not have an impact on our financial statements.

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ASU 2015-14, "Revenue from Contracts with Customers (Topic 606)"

In August 2015, the FASB issued ASU 2015-14, "Accounting for Revenue from Contracts with Customers (Topic 606)". The amended guidance deferred the effective date of the ASU 2014-09 "Revenue from Contracts with Customers(Topic 606)" to annual periods beginning after December 15, 2017, and interim periods within that reporting period. Early adoption is permitted for annual periods beginning after December 15, 2016, and interim periods within that annual period. In addition, in April 2016 the FASB issued ASU 2016-10 "Revenue from Contracts with Customers: Identifying Performance Obligations and Licensing (Topic 606)", which amends the revenue guidance on identifying performance obligations and accounting for intellectual property licenses. In May 2016, the FASB issued ASU 2016-12 "Revenue from Contracts with Customers: Narrow-Scope Improvements and Practical Expedients (Topic 606)", which provides additional guidance in assessing whether a transaction meets the definition of revenue, in narrowed circumstances during the transition to ASU 2014-09 and subsequent to implementation. This update can either be applied under either a cumulative effect or retrospective method. ASU 2016-10 and ASU 2016-12 must be adopted concurrently with ASU 2014-09. The impact of ASU 2014-9 on our financial statements has not yet been determined.

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Item 2. Management’s Discussion and Analysis of Financial Condition andResults of Operations (“MD&A”)

(in thousands, except percentages and per share amounts)

The following discussion should be read in conjunction with our unaudited Condensed Consolidated Financial Statements and notes included under Item 1, as well as our Consolidated Financial Statements and notes and related Management’s Discussion and Analysis of Financial Condition and Results of Operations included in our Annual Report on Form 10-K for the year ended December 31, 2015.

Overview

CTS Corporation (“CTS”, “we”, “our” or “us”) is a leading designer and manufacturer of products that Sense, Connect and Move. CTS manufactures sensors, actuators and electronic components in North America, Europe and Asia, and supplies these products to OEMs in the aerospace, communications, defense, industrial, information technology, medical and transportation markets.

Results of Operations: Second Quarter 2016 versus Second Quarter 2015

The following table highlights changes in significant components of the Unaudited Condensed Consolidated Statements of Earnings for the quarters ended June 30, 2016, and June 28, 2015:

	Three Months Ended								Percent of		Percent of
	June 30,			June 28,			Percent		Net Sales –		Net Sales –
	2016			2015			Change		2016		2015
Net sales	$	98,693		$	100,071		(1.4	)	100.0		100.0
Cost of goods sold(1)	64,236			66,698			(3.7	)	65.1		66.7
Gross margin	34,457			33,373			3.2		34.9		33.3
Selling, general and administrative expenses	15,764			15,224			3.5		16.0		15.2
Research and development expenses	5,967			5,487			8.7		6.0		5.5
Restructuring and impairment charges	206			2,118			(90.3	)	0.2		2.1
(Gain) loss on sale of assets	(11,577		)	2			(578,950.0	)	(11.7	)	—
Total operating expenses	10,360			22,831			(54.6	)	10.5		22.8
Operating earnings	24,097			10,542			128.6		24.4		10.5
Total other (expense) income	(1,918		)	317			(705.0	)	(1.9	)	0.3
Earnings before income taxes	22,179			10,859			104.2		22.5		10.8
Income tax expense (benefit)	7,692			(8,221		)	(193.6	)	7.8		(8.2	)
Net earnings	$	14,487		$	19,080		(24.1	)	14.7		19.0
Earnings per share:
Diluted net earnings per share	$	0.44		$	0.57

(1) Cost of goods sold includes restructuring related charges of $0 in 2016 and $75 in 2015.

Sales of $98,693 in the second quarter of 2016 decreased $1,378 or (1.4)% from the second quarter of 2015. Sales to automotive markets decreased $2,061 due to lower volumes and unfavorable foreign exchange impact.  Other sales increased $683 due to the addition of sales from the single crystal acquisition which was partially offset by lower demand for electronic components in certain end markets.  Changes in foreign exchange rates caused $398 of the total sales decrease, driven by the U.S. Dollar appreciating compared to the Chinese Renminbi and relating mostly to sales of automotive products.

Gross margin as a percent of sales was 34.9% in the second quarter of 2016 compared to 33.3% in the second quarter of 2015. The increase in gross margin resulted from cost savings from continued efficiency gains, material and labor productivity projects, savings from restructuring projects and the addition of sales from the single crystal acquisition. In addition, foreign exchange rates had a favorable impact on manufacturing costs as the U.S. Dollar appreciated against various local currencies in countries in which we have manufacturing operations.

Selling, general and administrative expenses were $15,764 or 16.0% of sales in the second quarter of 2016 versus $15,224 or 15.2% of sales in the comparable quarter of 2015. The increase is primarily attributable to added costs as a result of the single crystal acquisition, including amortization of intangibles. Selling and marketing expenses were also higher as CTS continues to

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invest to drive future growth. The increases were partially offset by lower general and administrative expenses in other parts of the business.

Research and development expenses were $5,967 or 6.0% of sales in the second quarter of 2016 compared to $5,487 or 5.5% of sales in the comparable quarter of 2015. The increase was related to continued investment in new products to drive organic growth. Research and development expenses are focused on expanded applications of existing products and new product development as well as current product and process enhancements. 

Restructuring and impairment charges were $206 or 0.2% of sales in the second quarter 2016 compared to $2,118 or 2.1% of sales in the second quarter of 2015. The 2016 charges are for severance costs related to the restructuring of certain operations as part of the 2016 Restructuring Plan announced in June 2016. The 2015 charges consist primarily of accruals for severance costs related to the consolidation of CTS' Canadian operation in Streetsville, Ontario into other CTS facilities.

The gain on sale of assets is driven primarily by the gain on sale of the building in Canada in June 2016.

Operating earnings were $24,097 or 24.4% of sales in the second quarter of 2016 compared to operating earnings of $10,542 or 10.5% of sales in the comparable quarter of 2015 as a result of the items discussed above.

Other income and expense items are summarized in the following table:

	Three Months Ended
	June 30,			June 28,
	2016			2015
Interest expense	$	(1,009	)	$	(653	)
Interest income	331			853
Other (expense) income, net	(1,240		)	117
Total other (expense) income	$	(1,918	)	$	317

Interest expense increased in the second quarter of 2016 versus the second quarter of 2015 as a result of higher borrowings related to the single crystal acquisition.  Interest income decreased due to lower cash balances.  Other expense in the second quarter of 2016 is largely the result of foreign currency translation losses, primarily due to the appreciation of the U.S. Dollar compared to the Chinese Renminbi. Other income in the second quarter of 2015 was driven by foreign currency translation gains.

	Three Months Ended
	June 30,		June 28,
	2016		2015
Effective tax rate	34.7	%	(75.7	)%

CTS' effective income tax rate was 34.7% and (75.7)% in the second quarter of 2016 and 2015, respectively. The tax rate in the second quarter of 2016 reflected the change in the mix of earnings by jurisdiction, the impact of discrete items, the company’s decision to no longer permanently reinvest the earnings of its Canadian and U.K. subsidiaries and tax expense for withholding taxes on earnings in China that are not anticipated to be maintained in China. CTS began recording tax expense for withholding taxes in China in the fourth quarter of 2015 and expects to continue this practice going forward. During the second quarter of 2015, CTS reflected a benefit attributable to filing amended U.S. federal tax returns in order to take credits for foreign taxes paid which was partially offset by a reserve recorded on an uncertain tax position.

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Results of Operations: Six months ended June 30, 2016 versus Six months ended June 30, 2015

The following table highlights changes in significant components of the Unaudited Condensed Consolidated Statements of Earnings for the six months ended June 30, 2016, and June 28, 2015:

	Six Months Ended								Percent of		Percent of
	June 30,			June 28,			Percent		Net Sales –		Net Sales –
	2016			2015			Change		2016		2015
Net sales	$	195,398		$	198,382		(1.5	)	100.0		100.0
Cost of goods sold(1)	127,472			132,873			(4.1	)	65.2		67.0
Gross margin	67,926			65,509			3.7		34.8		33.0
Selling, general and administrative expenses	30,411			30,935			(1.7	)	15.6		15.6
Research and development expenses	12,130			10,686			13.5		6.2		5.4
Restructuring and impairment charges	206			2,856			(92.8	)	0.1		1.4
(Gain) loss on sale of assets	(11,351		)	(1		)	1,135,000.0		(5.8	)	—
Total operating expenses	31,396			44,476			(29.4	)	16.1		22.4
Operating earnings	36,530			21,033			73.7		18.7		10.6
Total other (expense) income	(2,386		)	(1,170		)	103.9		(1.2	)	(0.6	)
Earnings before income taxes	34,144			19,863			71.9		17.5		10.0
Income tax expense (benefit)	11,794			(5,504		)	(314.3	)	6.0		(2.8	)
Net earnings	$	22,350		$	25,367		(11.9	)	11.4		12.8
Earnings per share:
Diluted net earnings per share	$	0.67		$	0.75

(1) Cost of goods sold includes restructuring related charges of $0 in 2016 and $75 in 2015.

Sales of $195,398 in the six months ended June 30, 2016 decreased $2,984 or (1.5)% from the six months ended June 28, 2015. Sales to automotive markets decreased $1,461 due to lower volumes and unfavorable foreign exchange impact.  Other sales declined $1,523 due to lower demand for electronic components in certain end markets, which was partially offset by the addition of sales from the single crystal acquisition.  Changes in foreign exchange rates caused $1,097 of the total sales decrease, driven by the U.S. Dollar appreciating compared to the Chinese Renminbi and relating mostly to sales of automotive products.

Gross margin as a percent of sales was 34.8% in the first half of 2016 compared to 33.0% in the first half of 2015. The increase in gross margin resulted from cost savings from continued efficiency gains, material and labor productivity projects, savings from restructuring projects and the addition of sales from the single crystal acquisition. In addition, foreign exchange rates had a favorable impact on manufacturing costs as the U.S. Dollar appreciated against various local currencies in countries in which we have manufacturing operations.

Selling, general and administrative expenses were $30,411 or 15.6% of sales in the six-month period ended June 30, 2016 versus $30,935 or 15.6% of sales in the comparable year-to-date period in 2015. Expenses in 2016 include added costs as a result of the single crystal acquisition, including amortization of intangibles. Selling and marketing expenses were higher as CTS continues to invest to drive future growth. The increases were offset by lower general and administrative expenses in other parts of the business.

Research and development expenses were $12,130 or 6.2% of sales in the six months ended June 30, 2016 compared to $10,686 or 5.4% of sales in the comparable prior year period. The increase was related to continued investment in new products to drive organic growth. Research and development expenses are focused on expanded applications of existing products and new product development as well as current product and process enhancements. 

Restructuring and impairment charges were $206 or 0.1% of sales in the first half of 2016 compared to $2,856 or 1.4% of sales in the first half of 2015. The 2016 charges are for severance costs related to the restructuring of certain operations as part of the 2016 Restructuring Plan announced in June 2016. The 2015 charges consist primarily of accruals for severance costs related to the consolidation of CTS' Canadian operation in Streetsville, Ontario into other CTS facilities. The information as set forth under Note 7, Costs Associated with Exit and Restructuring Activities, in the condensed consolidated financial statements included in Part I, Item 1 of this report is incorporated herein by reference.

The gain on sale of assets is driven primarily by the gain on sale of the building in Canada in June 2016.

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Operating earnings were $36,530 or 18.7% of sales in the six months ended June 30, 2016 compared to operating earnings of $21,033 or 10.6% of sales in the six months ended June 28, 2015 as a result of the items discussed above.

Other income and expense items are summarized in the following table:

	Six Months Ended
	June 30,			June 28,
	2016			2015
Interest expense	$	(1,829	)	$	(1,241	)
Interest income	879			1,641
Other expense, net	(1,436		)	(1,570		)
Total other expense	$	(2,386	)	$	(1,170	)

Interest expense increased in the first half of 2016 versus the first half of 2015 as a result of higher borrowings related primarily to the single crystal acquisition.  Interest income decreased due to lower cash balances.  Other expense in the first half of 2016 is largely the result of foreign currency translation losses, primarily due to the appreciation of the U.S. Dollar compared to the Chinese Renminbi. Other expense in the second half of 2015 was also driven by foreign currency translation losses, primarily due to the appreciation of the U.S. Dollar compared to the Euro.

	Six Months Ended
	June 30,		June 28,
	2016		2015
Effective tax rate	34.5	%	(27.7	)%

CTS' effective income tax rate was 34.5% and (27.7)% in the first six months of 2016 and 2015, respectively. The tax rate in the first six months of 2016 reflected the change in the mix of earnings by jurisdiction, the impact of discrete items, the company’s decision to no longer permanently reinvest the earnings of its Canadian and U.K. subsidiaries, and tax expense for withholding taxes on earnings in China that are not anticipated to be maintained in China. CTS began recording tax expense for withholding taxes in China in the fourth quarter of 2015 and expects to continue this practice going forward. In the first six months of 2015, the tax rate reflected a benefit attributable to filing amended U.S. federal tax returns in order to take credits for foreign taxes paid which was partially offset by a reserve recorded on an uncertain tax position.

Liquidity and Capital Resources

Cash and cash equivalents were $119,912 at June 30, 2016 and $156,928 at December 31, 2015, of which $118,608 and $ 156,310, respectively, were held outside the United States. The decrease in cash and cash equivalents of $37,016 was primarily driven by cash used in investing activities of $68,309, which included a payment for a business acquisition in the amount of $73,063, capital expenditures of $7,483 and proceeds from the sale of assets of $12,237, offset by net borrowings on our credit facility of $20,100 and cash generated from operations of $13,755. Total debt was $110,800 as of June 30, 2016 and $90,700 as of December 31, 2015. Total debt as a percentage of total capitalization, defined as the sum of long-term debt as a percentage of total debt and shareholders' equity, was 26.8% at June 30, 2016, compared to 24.4% at December 31, 2015.

Working capital decreased by $27,957 during the six months ended June 30, 2016, primarily due to the aforementioned decrease in cash and cash equivalents partially offset by a $7,562 increase in accounts receivable.  

Cash Flows from Operating Activities

Net cash provided by operating activities was $13,755 during the first six months of 2016. Components of net cash provided by operating activities included net earnings of $22,350, depreciation and amortization expense of $8,925, and equity-based compensation of $967 offset by amortization of retirement benefit adjustments of $794, net changes in assets and liabilities of $9,468 and other non-cash items such as gains on sales of fixed assets, deferred income taxes, restructuring charges and gains on foreign currency hedges totaling $8,225.

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Cash Flows from Investing Activities

Net cash used in investing activities for the first six months of 2016 was $68,309, which includes a payment for a business acquisition of $73,063, net of cash acquired, proceeds from the sale of assets of $12,237 and $7,483 for capital expenditures.

Cash Flows from Financing Activities

Net cash provided by financing activities for the first six months of 2016 was $18,184. These cash inflows were the result of net borrowings under our credit facility totaling $20,100, windfall tax benefits from equity awards of $696 offset by dividend payments of $2,612.

Capital Resources

On August 10, 2015, CTS entered into a new five-year credit agreement with a group of banks (“Revolving Credit Facility”) in order to support CTS’ working capital needs and other general corporate purposes.  The Revolving Credit Facility originally provided for a credit line of $200,000. This Revolving Credit Facility replaced a prior unsecured credit facility.  Borrowings under the previous credit agreement were refinanced under the Revolving Credit Facility and the previous credit agreement was terminated on August 10, 2015. On May 23, 2016, CTS requested and received a $100,000 increase in the aggregate revolving credit commitments under its existing credit agreement, which increased the credit line from $200,000 to $300,000.  

Long‑term debt was comprised of the following:

	As of
	June 30,			December 31,
	2016			2015
Revolving credit facility due in 2020	$	110,800		$	90,700
Weighted average interest rate	1.9		%	1.5		%
Amount available	$	187,035		$	106,985
Total credit facility	$	300,000		$	200,000
Standby letters of credit	$	2,165		$	2,315
Commitment fee percentage per annum	0.30		%	0.25		%

The Revolving Credit Facility requires, among other things, that CTS comply with a maximum total leverage ratio and a minimum fixed charge coverage ratio. Failure of CTS to comply with these covenants could reduce the borrowing availability under the Revolving Credit Facility. CTS was in compliance with all debt covenants at June 30, 2016.

CTS uses interest rate swaps to convert the Revolving Credit Facility’s variable rate of interest into a fixed rate. In the second quarter of 2012, CTS entered into four separate interest rate swap agreements to fix interest rates on $50,000 of long-term debt for the periods January 2013 to January 2017. In the third quarter of 2012, CTS entered into four separate interest rate swap agreements to fix interest rates on $25,000 of long-term debt for the periods January 2013 to January 2017. The difference to be paid or received under the terms of the swap agreements is recognized as an adjustment to interest expense when settled.

Generally, CTS' practice and intention is to reinvest the earnings of its non-U.S. subsidiaries outside the U.S. However, CTS determined during 2015 that as a result of changes in the business, the foreign earnings of its subsidiaries in Canada and the U.K. were no longer permanently reinvested. Therefore, a provision for the expected taxes on repatriation of those earnings was recorded at that time. Any repatriation may not result in significant cash income tax payments as the taxable event would likely be offset by the utilization of the then available tax credits, resulting in no significant net cash taxes being incurred. CTS does not provide for U.S. income taxes on undistributed earnings of its foreign subsidiaries that are intended to be permanently reinvested.

We have historically funded our capital and operating needs primarily through cash flows from operating activities, supported by available credit under our Revolving Credit Facility. We believe that cash flows from operating activities and available borrowings under our Revolving Credit Facility will be adequate to fund our working capital, capital expenditures and debt service requirements for at least the next twelve months. However, we may choose to pursue additional equity and debt financing to provide additional liquidity or to fund acquisitions.

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Critical Accounting Policies and Estimates

Management prepared the consolidated financial statements of CTS under accounting principles generally accepted in the United States of America. These principles require the use of estimates, judgments, and assumptions. We believe that the estimates, judgments, and assumptions we used are reasonable, based upon the information available.

Our estimates and assumptions affect the reported amounts in our financial statements. The following accounting policies comprise those that we believe are the most critical in understanding and evaluating CTS' reported financial results.

Revenue Recognition

Product revenue is recognized once four criteria are met: (1) we have persuasive evidence that an arrangement exists; (2) delivery has occurred and title has passed to the customer, which generally happens at the point of shipment, provided that no significant obligations remain; (3) the price is fixed and determinable; and (4) collectability is reasonably assured.

Accounts Receivable

We have standardized credit granting and review policies and procedures for all customer accounts, including:

• Credit reviews of all new customer accounts,

• Ongoing credit evaluations of current customers,

• Credit limits and payment terms based on available credit information,

• Adjustments to credit limits based upon payment history and the customer's current credit worthiness,

• An active collection effort by regional credit functions, reporting directly to the corporate financial officers, and

We reserve for estimated credit losses based on historical experience and specific customer collection issues. Over the last three years, accounts receivable reserves have been approximately 0.2% of total accounts receivable. We believe our reserve level is appropriate considering the quality of the portfolio. While credit losses have historically been within expectations and the reserves established, we cannot guarantee that our credit loss experience will continue to be consistent with historical experience.

Inventories

We value our inventories at the lower of the actual cost to purchase or manufacture using the first-in, first-out ("FIFO") method, or the current estimated market value. We review inventory quantities on hand and record a provision for excess and obsolete inventory based on forecasts of product demand and production requirements.

Over the last three years, our reserves for excess and obsolete inventories have ranged from 18.0% to 20.1% of gross inventory. We believe our reserve level is appropriate considering the quantities and quality of the inventories.

Retirement Plans

Actuarial assumptions are used in determining pension income and expense and our pension benefit obligation. We utilize actuaries from consulting companies in each applicable country to develop our discount rates that match high-quality bonds currently available and expected to be available during the period to maturity of the pension benefit in order to provide the necessary future cash flows to pay the accumulated benefits when due. After considering the recommendations of our actuaries, we have assumed a discount rate, expected rate of return on plan assets and a rate of compensation increase in determining our annual pension income and expense and the projected benefit obligation. During the fourth quarter of each year, we review our actuarial assumptions in light of current economic factors to determine if the assumptions need to be adjusted. Changes in the actuarial assumptions could have a material effect on our results of operations.

Valuation of Goodwill

Goodwill of a reporting unit is tested for impairment annually, or more frequently if an event occurs or circumstances change that would more-likely-than-not reduce the fair value of a reporting unit below its carrying amount. Examples of such events or circumstances include:

• Significant decline in market capitalization relative to net book value,

• Significant adverse change in legal factors or in the business climate,

• Adverse action or assessment by a regulator,

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• Unanticipated competition,

• More-likely-than-not expectation that a reporting unit or a significant portion of a reporting unit will be sold or otherwise disposed of,

• Testing for recoverability of a significant asset group within a reporting unit, and

• Allocation of a portion of goodwill to a business to be disposed.

If CTS believes that one or more of the above indicators of impairment have occurred, we perform an impairment test. The performance of the test involves a two-step process. The first step of the impairment test involves comparing the fair values of the applicable reporting units with their aggregate carrying values, including goodwill. We generally determine the fair value of our reporting units using two valuation methods: "Income Approach — Discounted Cash Flow Method" and "Market Approach — Guideline Public Company Method". The approach defined below is based upon our last impairment test conducted as of October 1, 2015.

Under the "Income Approach — Discounted Cash Flow Method", the key assumptions consider sales, cost of sales and operating expenses projected through the year 2020. These assumptions were determined by management utilizing our internal operating plan and assuming growth rates for revenues, operating expenses, and gross margin assumptions. The fourth key assumption under this approach is the discount rate which is determined by looking at current risk-free rates, current market interest rates and the evaluation of risk premium relevant to the business segment. If our assumptions relative to growth rates were to change or were incorrect, our fair value calculation may change which could result in impairment.

Under the "Market Approach — Guideline Public Company Method", we identified eight publicly traded companies, including CTS, which we believe have significant relevant similarities. For these eight companies, we calculated the mean ratio of invested capital to revenues and invested capital to EBITDA. Similar to the Income approach discussed above, sales, cost of sales, operating expenses and their respective growth rates were the key assumptions utilized. The market prices of CTS and other guideline company shares are also key assumptions. If these market prices increase, the estimated market value would increase. If the market prices decrease, the estimated market value would decrease.

The results of these two methods are weighted based upon management's determination. The Market approach is based upon historical and current economic conditions, which might not reflect the long-term prospects or opportunities for CTS' business being evaluated.

If the carrying amount of a reporting unit exceeds the reporting unit's fair value, we perform the second step of the goodwill impairment test to determine the amount of impairment loss, which involves comparing the implied fair value of the affected reporting unit's goodwill with the carrying value of that goodwill.

There have not been any significant changes to our impairment testing methodology other than updates to the assumptions to reflect the current market environment. As discussed above, key assumptions used in the first step of the goodwill impairment test were determined by management utilizing CTS' internal operating plan. The key assumptions utilized include forecasted growth rates for revenues and operating expenses as well as a discount rate which is determined by looking at current risk-free rates of capital, current market interest rates and the evaluation of a risk premium relevant to the business segment. CTS will monitor future results and will perform a test if indicators trigger an impairment review.

We test the impairment of goodwill whenever events or changes in circumstances indicate that the carrying value may not be recoverable. Based upon our latest assessment, we determined that our goodwill was not impaired as of October 1, 2015, and there have been no further indicators of goodwill impairment since that time.

Valuation of Long-Lived and Other Intangible Assets

We evaluate the impairment of identifiable intangibles and other long-lived assets whenever events or changes in circumstances indicate that the carrying value may not be recoverable. Factors considered that may trigger an impairment review consist of:

• Significant underperformance relative to expected historical or projected future operating results,

• Significant changes in the manner of use of the acquired assets or the strategy for the overall business,

• Significant negative industry or economic trends,

• Significant decline in CTS' stock price for a sustained period, and

• Significant decline in market capitalization relative to net book value.

34

If CTS believes that one or more of the above indicators of impairment have occurred and the undiscounted cash flow test failed in the case of amortizable assets, it measures impairment based on projected discounted cash flows using a discount rate that incorporates the risk inherent in the cash flows.

Income Taxes

CTS identified, evaluated, and measured the amount of income tax benefits to be recognized for all of our income tax positions. Included in deferred tax assets are amounts related to federal, state and foreign net operating losses. CTS intends to utilize these net operating loss carryforwards to offset future income taxes.

CTS' practice is to recognize interest and penalties related to income tax matters as part of income tax expense.

CTS earns a significant amount of its operating income outside of the U.S., which is generally deemed to be permanently reinvested in foreign jurisdictions. However, CTS determined during 2015 that as a result of changes in the business, the foreign earnings of its subsidiaries in Canada and the U.K. were no longer permanently reinvested. Therefore, a provision for the expected taxes on repatriation of those earnings was recorded. CTS does not intend to repatriate funds beyond the amount from its Canadian and U.K. subsidiaries; however, should CTS require more capital in the U.S. than is generated by our domestic operations, CTS could elect to repatriate funds held in foreign jurisdictions or raise capital in the U.S. through debt or equity issuances. Repatriation would result in a higher effective tax rate. Borrowing in the U.S. would result in increased interest expense.

Significant Customers

Our net sales to customers representing at least 10% of total net sales were as follows:

	Three months ended				Six Months Ended
	June 30,		June 28,		June 30,		June 28,
	2016		2015		2016		2015
Honda Motor Co.	10.3	%	10.3	%	11.0	%	9.9	%
Toyota Motor Corporation	10.8	%	10.0	%	10.7	%	9.2	%
Cummins Inc.	9.6	%	8.7	%	10.0	%	8.5	%

Forward‑Looking Statements

This document contains statements that are, or may be deemed to be, forward‑looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These forward‑looking statements include, but are not limited to, any financial or other guidance, statements that reflect our current expectations concerning future results and events, and any other statements that are not based solely on historical fact. Forward‑looking statements are based on management’s expectations, certain assumptions and currently available information. Readers are cautioned not to place undue reliance on these forward‑looking statements, which speak only as of the date hereof and are based on various assumptions as to future events, the occurrence of which necessarily are subject to uncertainties. These forward‑looking statements are made subject to certain risks, uncertainties and other factors, which could cause our actual results, performance or achievements to differ materially from those presented in the forward‑looking statements. Examples of factors that may affect future operating results and financial condition include, but are not limited to: changes in the economy generally and in respect to the business in which CTS operates; unanticipated issues in integrating acquisitions; the results of actions to reposition our business; rapid technological change; general market conditions in the automotive, communications, and computer industries, as well as conditions in the industrial, defense and aerospace, and medical markets; reliance on key customers; unanticipated natural disasters or other events; the ability to protect our intellectual property; pricing pressures and demand for our products; unanticipated developments that could occur with respect to contingencies such as litigation and environmental matters as well as any product liability claims; and risks associated with our international operations, including trade and tariff barriers, exchange rates and political and geopolitical risks. Many of these and other risks and uncertainties are discussed in further detail in Item 1A. of CTS' Annual Report on Form 10‑K for the fiscal year ended December 31, 2015. We undertake no obligation to publicly update our forward‑looking statements to reflect new information or events or circumstances that arise after the date hereof, including market or industry changes.

35

Item 3.   Quantitative and Qualitative Disclosures About Market Risk

There have been no material changes in our market risk since December 31, 2015.

Item 4.   Controls and Procedures

Pursuant to Rule 13a-15(e) of the Securities and Exchange Act of 1934, management, under the direction of our Chief Executive Officer and Chief Financial Officer, evaluated our disclosure controls and procedures.  Based on such evaluation, our Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures were effective as of June 30, 2016.

Changes in Internal Control Over Financial Reporting

There were no changes in our internal control over financial reporting for the quarter ended June 30, 2016, that have materially affected or are reasonably likely to materially affect our internal control over financial reporting. 

PART II - OTHER INFORMATION

Not applicable

Item 1. Legal Proceedings

From time to time we are involved in litigation with respect to matters arising from the ordinary conduct of our business, and currently certain claims are pending against us. In the opinion of management, based upon presently available information, either adequate provision for anticipated costs have been accrued or the ultimate anticipated costs will not materially affect our consolidated financial position, results of operations, or cash flows.

Item 1A. Risk Factors

There have been no significant changes to our risk factors since December 31, 2015.

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

On April 27, 2015, CTS announced that its Board of Directors authorized an expansion to its repurchase program by authorizing the purchase of an additional $25 million dollars of its common stock in the open market.   This authorization has no expiration. As shown in the following table, there were no stock repurchases during the quarter ended June 30, 2016.

			(c)
			Total Number	(d)
	(a)		of Shares	Maximum Dollar Value
	Total Number of	(b)	Purchased as	of Shares That May Yet Be
	Shares	Average Price	Part of Plans or	Purchased Under the
	Purchased	Paid per Share	Program	Plans or Programs(2)
Balance at March 31, 2016				$	17,554
April 1, 2016 - June 30, 2016	—	—	—	$	—
Total	—	—	—	$	17,554

36

Item 6.  Exhibits

(31)(a)	Certification pursuant to Section 302 of the Sarbanes‑Oxley Act of 2002.
(31)(b)	Certification pursuant to Section 302 of the Sarbanes‑Oxley Act of 2002.
(32)(a)	Certification pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes‑Oxley Act of 2002.
(32)(b)	Certification 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 Label Linkbase Document
101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) 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.

CTS Corporation	CTS Corporation
/s/ Luis F. Machado	/s/ Ashish Agrawal
Luis F. Machado Vice President, General Counsel and Secretary	Ashish Agrawal Vice President and Chief Financial Officer
Dated: July 29, 2016	Dated: July 29, 2016

37

EX-31.A

EXHIBIT (31)(a)

CERTIFICATION

I, Kieran O’Sullivan, certify that:

1. I have reviewed this quarterly report on Form 10-Q of CTS Corporation:

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; and

(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 statement for external purposes in accordance with generally accepted accounting principles; and

(c) evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusion 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 registrant’s board of directors (or persons performing the equivalent function):

(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: July 29, 2016	/s/ Kieran O’Sullivan
	Kieran O’Sullivan
	Chairman, President and Chief Executive Officer

EX-31.B

EXHIBIT (31)(b)

CERTIFICATION

I, Ashish Agrawal, certify that:

1. I have reviewed this quarterly report on Form 10-Q of CTS Corporation:

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; and

(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 statement for external purposes in accordance with generally accepted accounting principles; and

(c) evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusion 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 registrant’s board of directors (or persons performing the equivalent function):

(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: July 29, 2016	/s/Ashish Agrawal
	Ashish Agrawal
	Vice President and Chief Financial Officer

EX-32.A

EXHIBIT (32)(a)

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 of CTS Corporation (the Company) on Form 10-Q for the quarter ended June 30, 2016, as filed with the Securities and Exchange Commission on the date hereof (the Report), the undersigned officer of the Company certifies, pursuant to 18 U.S.C. ss. 1350, as adopted pursuant to ss. 906 of the Sarbanes-Oxley Act of 2002, that:

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

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

Date: July 29, 2016	/s/ Kieran O’Sullivan
	Kieran O’Sullivan
	Chairman, President and Chief Executive Officer

A signed original of this written statement required by Section 906 has been provided to CTS Corporation and will be retained by CTS Corporation and furnished to the Securities and Exchange Commission or its staff upon request.

EX-32.B

EXHIBIT (32)(b)

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 of CTS Corporation (the Company) on Form 10-Q for the quarter ended June 30, 2016, as filed with the Securities and Exchange Commission on the date hereof (the Report), the undersigned officer of the Company certifies, pursuant to 18 U.S.C. ss. 1350, as adopted pursuant to ss. 906 of the Sarbanes-Oxley Act of 2002, that:

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

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

Date: July 29, 2016	/s/Ashish Agrawal
	Ashish Agrawal
	Vice President and Chief Financial Officer

A signed original of this written statement required by Section 906 has been provided to CTS Corporation and will be retained by CTS Corporation and furnished to the Securities and Exchange Commission or its staff upon request.

XML

Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2016	Jul. 26, 2016
Document And Entity Information
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2016
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	Q2
Trading Symbol	CTS
Entity Registrant Name	CTS CORP
Entity Central Index Key	0000026058
Current Fiscal Year End Date	--12-31
Entity Current Reporting Status	Yes
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		32,758,961

XML

Consolidated Statements of Earnings - Unaudited - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 28, 2015	Jun. 30, 2016	Jun. 28, 2015
Income Statement [Abstract]
Net sales	$ 98,693	$ 100,071	$ 195,398	$ 198,382
Cost of goods sold	64,236	66,698	127,472	132,873
Gross Margin	34,457	33,373	67,926	65,509
Selling, general and administrative expenses	15,764	15,224	30,411	30,935
Research and development expenses	5,967	5,487	12,130	10,686
Restructuring and impairment charges	206	2,118	206	2,856
Operating earnings	24,097	10,542	36,530	21,033
Other (expense) income:
Interest expense	(1,009)	(653)	(1,829)	(1,241)
Interest income	331	853	879	1,641
Gain (Loss) on Disposition of Assets	(11,577)	2	(11,351)	(1)
Other (expense) income	(1,240)	117	(1,436)	(1,570)
Total other (expense) income	(1,918)	317	(2,386)	(1,170)
Earnings before income taxes	22,179	10,859	34,144	19,863
Income tax expense (benefit)	7,692	(8,221)	11,794	(5,504)
Net earnings	$ 14,487	$ 19,080	$ 22,350	$ 25,367
Earnings per share:
Basic (in dollars per share)	$ 0.00	$ 0.01	$ 0.01	$ 0.01
Diluted (in dollars per share)	$ 0.00	$ 0.01	$ 0.01	$ 0.01
Basic weighted - average common shares outstanding (in shares):	32,759	33,080	32,695	33,243
Effect of dilutive securities (in shares)	466	471	485	497
Diluted weighted - average common shares outstanding (in shares)	33,225	33,551	33,180	33,740
Cash dividends declared per share (in dollars per share)	$ 0.0004	$ 0.0004	$ 0.0008	$ 0.0008

XML

Condensed Consolidated Statements of Comprehensive Earnings - Unaudited - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 28, 2015	Jun. 30, 2016	Jun. 28, 2015
Statement of Comprehensive Income [Abstract]
Net earnings	$ 14,487	$ 19,080	$ 22,350	$ 25,367
Other comprehensive income (loss):
Changes in fair market value of hedges, net of tax	(67)	69	227	(17)
Changes in unrealized pension cost, net of tax	947	705	1,855	1,962
Cumulative translation adjustment, net of tax	(317)	1,491	(726)	388
Other comprehensive income	563	2,265	1,356	2,333
Comprehensive income	$ 15,050	$ 21,345	$ 23,706	$ 27,700

XML

Condensed Consolidated Balance Sheets - Unaudited - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Current Assets
Cash and cash equivalents	$ 119,912	$ 156,928
Accounts receivable, net	62,125	54,563
Inventories, net	25,978	24,600
Other current assets	12,457	9,863
Total current assets	220,472	245,954
Property, plant and equipment, net	76,973	69,872
Other Assets
Prepaid pension asset	37,712	33,779
Goodwill	61,744	33,865
Other intangible assets, net	67,567	34,758
Deferred income taxes	54,212	63,809
Other	1,154	1,336
Total other assets	222,389	167,547
Total Assets	519,834	483,373
Current Liabilities
Accounts payable	41,679	40,299
Accrued payroll and benefits	8,501	7,147
Accrued liabilities	46,915	47,174
Total current liabilities	97,095	94,620
Long-term debt	110,800	90,700
Post retirement obligations	7,105	7,230
Other long-term obligations	2,200	9,169
Total Liabilities	217,200	201,719
Shareholders’ Equity
Common stock	302,146	300,909
Additional contributed capital	39,824	41,166
Retained earnings	401,569	381,840
Accumulated other comprehensive loss	(97,649)	(99,005)
Total shareholders’ equity before treasury stock	645,890	624,910
Treasury stock	(343,256)	(343,256)
Total shareholders’ equity	302,634	281,654
Total Liabilities and Shareholders’ Equity	$ 519,834	$ 483,373

XML

Condensed Consolidated Statements of Cash Flows - Unaudited - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 28, 2015
CASH FLOWS FROM OPERATING ACTIVITIES:
Net earnings	$ 22,350	$ 25,367
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	8,925	8,093
Pension and other post-retirement plan (income) expense	(794)	3,297
Equity-based compensation	967	2,362
Restructuring charges	206	2,856
Prepaid pension assets	0	(4,422)
Deferred income taxes	2,877	0
(Gain) loss on sales of fixed assets	(11,351)	(1)
(Gain) loss on foreign currency hedges	(3)	0
Proceeds from settlement of foreign currency hedges	46	0
Changes in assets and liabilities:
Accounts receivable	(5,805)	(6,628)
Inventories	842	(2,914)
Other assets	(2,115)	(409)
Accounts payable	169	1,556
Accrued payroll and benefits	876	(704)
Accrued expenses	(2,594)	(2,588)
Income taxes payable	800	1,210
Other liabilities	(1,466)	(11,581)
Pension and other post-retirement plans	(175)	0
Net cash provided by operating activities	13,755	15,494
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(7,483)	(3,905)
Proceeds from sale of assets	12,237	3
Payment for acquisition, net of cash acquired	(73,063)	0
Net cash used in investing activities	(68,309)	(3,902)
CASH FLOWS FROM FINANCING ACTIVITIES:
Payments of long-term debt	(1,462,100)	(562,300)
Proceeds from borrowings of long-term debt	1,482,200	576,000
Purchase of treasury stock	0	(11,369)
Dividends paid	(2,612)	(2,668)
Windfall tax benefits from equity awards	696	147
Proceeds from exercise of stock options	0	64
Net cash provided by (used in) financing activities	18,184	(126)
Effect of exchange rate changes on cash and cash equivalents	(646)	817
Net (decrease) increase in cash and cash equivalents	(37,016)	12,283
Cash and cash equivalents at beginning of period	156,928	134,508
Cash and cash equivalents at end of period	119,912	146,791
Supplemental cash flow information:
Cash paid for interest	1,547	1,046
Cash paid for income taxes, net	$ 8,703	$ 4,248

XML

Basis of Presentation

6 Months Ended

Jun. 30, 2016

Accounting Policies [Abstract]

Basis of Presentation

Basis of Presentation

The accompanying condensed consolidated financial statements have been prepared by CTS Corporation (“CTS” or “the Company”), without audit, pursuant to the rules and regulations of the Securities and Exchange Commission.  Certain information and footnote disclosures normally included in financial statements prepared in accordance with generally accepted accounting principles have been omitted pursuant to such rules and regulations. The unaudited condensed consolidated financial statements should be read in conjunction with the financial statements, notes thereto, and other information included in the Company’s Annual Report on Form 10‑K for the year ended December 31, 2015.

The accompanying unaudited condensed consolidated financial statements reflect, in the opinion of management, all adjustments (consisting of normal recurring items) necessary for a fair statement, in all material respects, of the financial position and results of operations for the periods presented.  The preparation of financial statements in conformity with generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reported period.  Actual results could differ materially from those estimates.  The results of operations for the interim periods are not necessarily indicative of the results for the entire year.

Subsequent Events

CTS has evaluated subsequent events and transactions for potential recognition or disclosure in the financial statements through the date the financial statements are issued.

Reclassifications

Certain prior period reclassifications have been made in the Condensed Consolidated Balance Sheet as a result of including our other post-retirement benefit plan liabilities in Post-retirement obligations as well as the retrospective application of a new accounting pronouncement upon the adoption of ASU 2015-17 (see Note 18 - Recent Accounting Pronouncements for additional details). The chart below quantifies the effects of these reclassification adjustments on our December 31, 2015, financial statements:

	At December 31, 2015
Consolidated Balance Sheet Line Item	As previously reported			Reclassification adjustment			As currently reported
Other current assets	$	15,888		$	(6,025	)	$	9,863
Deferred income taxes	$	58,544		$	5,265		$	63,809
Accrued liabilities	$	(53,905	)	$	6,731		$	(47,174	)
Post-retirement obligations	$	(2,703	)	$	(4,527	)	$	(7,230	)
Other long-term obligations	$	(7,725	)	$	(1,444	)	$	(9,169	)

XML

Accounts Receivable

6 Months Ended

Jun. 30, 2016

Receivables [Abstract]

Accounts Receivable

Accounts Receivable

The components of accounts receivable are as follows:

	As of
	June 30,			December 31,
	2016			2015
Accounts receivable, gross	$	62,297		$	54,696
Less: Allowance for doubtful accounts	(172		)	(133		)
Accounts receivable, net	$	62,125		$	54,563

XML

Inventories

6 Months Ended

Jun. 30, 2016

Inventory Disclosure [Abstract]

Inventories

Inventories

Inventories consist of the following:

	As of
	June 30,			December 31,
	2016			2015
Finished goods	$	5,881		$	6,972
Work-in-process	8,501			6,828
Raw materials	17,856			16,991
Less: Inventory reserves	(6,260		)	(6,191		)
Inventories, net	$	25,978		$	24,600

XML

Property, Plant and Equipment

6 Months Ended

Jun. 30, 2016

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, Plant and Equipment

Property, plant and equipment is comprised of the following:

	As of
	June 30,			December 31,
	2016			2015
Land	$	2,330		$	2,401
Buildings and improvements	63,053			65,731
Machinery and equipment	203,637			191,212
Less: Accumulated depreciation	(192,047		)	(189,472		)
Property, plant and equipment, net	$	76,973		$	69,872

XML

Retirement Plans

6 Months Ended

Jun. 30, 2016

Compensation and Retirement Disclosure [Abstract]

Retirement Plans

Retirement Plans

Pension Plans

Net pension income for our domestic and foreign plans was as follows:

	Three Months Ended						Six Months Ended
	June 30,			June 28,			June 30,			June 28,
	2016			2015			2016			2015
Net pension income	$	(402	)	$	(530	)	$	(794	)	$	(1,059	)

The components of net pension (income) expense for our domestic and foreign plans include the following: 

	DomesticPension Plans						Foreign Pension Plans
	Three Months Ended						Three Months Ended
	June 30,			June 28,			June 30,		June 28,
	2016			2015			2016		2015
Service cost	$	22		$	42		$	13	$	16
Interest cost	2,756			2,815			11		124
Expected return on plan assets (1)	(4,744		)	(5,068		)	7		(134		)
Amortization of loss	1,498			1,585			35		90
(Income) expense, net	$	(468	)	$	(626	)	$	66	$	96

(1) Expected return on plan assets is net of expected investment expenses and certain administrative expenses.

	DomesticPension Plans						Foreign Pension Plans
	Six Months Ended						Six Months Ended
	June 30, 2016			June 28, 2015			June 30, 2016		June 28, 2015
Service cost	$	44		$	86		$	25	$	33
Interest cost	5,512			5,629			22		247
Expected return on plan assets (1)	(9,488		)	(10,136		)	14		(267		)
Amortization of loss	2,996			3,169			69		180
Other cost due to retirement	12			—			—		—
(Income) expense, net	$	(924	)	$	(1,252	)	$	130	$	193

(1) Expected return on plan assets is net of expected investment expenses and certain administrative expenses.

Other Post-retirement Benefit Plan

Net post-retirement expense for our post-retirement plan includes the following components:

	Three Months Ended						Six Months Ended
	June 30,			June 28,			June 30,			June 28,
	2016			2015			2016			2015
Other post-retirement benefit plan
Service cost	$	1		$	1		$	2		$	2
Interest cost	52			51			104			102
Amortization of gain	(37		)	(25		)	(75		)	(50		)
Post-retirement expense	$	16		$	27		$	31		$	54

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Other Intangible Assets

6 Months Ended

Jun. 30, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Other Intangible Assets

Other Intangible Assets

Intangible assets consist of the following components:

	As of
	June 30, 2016
	Gross Carrying Amount		Accumulated Amortization			Net Amount
Amortized intangible assets:
Customer lists/relationships	$	63,386	$	(28,643	)	$	34,743
Patents	10,319		(10,319		)	—
Technology and other intangibles	36,715		(6,091		)	30,624
In process research and development	2,200		—			2,200
Other intangible assets, net	$	112,620	$	(45,053	)	$	67,567
Amortization expense for the three months ended June 30, 2016			$	1,522
Amortization expense for the six months ended June 30, 2016			$	2,617

	As of
	December 31, 2015
	Gross Carrying Amount		Accumulated Amortization			Net Amount
Amortized intangible assets:
Customer lists/relationships	$	51,804	$	(27,101	)	$	24,703
Patents	10,319		(10,319		)	—
Technology and other intangibles	12,871		(5,016		)	7,855
In process research and development	2,200		—			2,200
Other intangible assets, net	$	77,194	$	(42,436	)	$	34,758
Amortization expense for the three months ended June 28, 2015			$	984
Amortization expense for the six months ended June 28, 2015			$	1,957

Amortization expense remaining for other intangible assets is as follows: 

	Amortization expense
2016	$	2,933
2017	5,693
2018	5,573
2019	5,564
2020	5,564
Thereafter	42,240
Total amortization expense	$	67,567

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Costs Associated with Exit and Restructuring Activities

6 Months Ended

Jun. 30, 2016

Restructuring and Related Activities [Abstract]

Costs Associated with Exit and Restructuring Activities

Costs Associated with Exit and Restructuring Activities

Costs associated with exit and restructuring activities are recorded in the Condensed Consolidated Statement of Earnings as follows: restructuring related charges are recorded as a component of Cost of Goods Sold, and restructuring and impairment charges are reported on a separate line and included in Operating Earnings. 

Total restructuring, impairment and restructuring related charges were as follows:

	Three Months Ended
	June 30, 2016		June 28, 2015
Restructuring-related charges	$	—	$	217
Restructuring and impairment charges	206		2,118
Total restructuring, impairment, and restructuring-related charges	$	206	$	2,335

	Six Months Ended
	June 30, 2016		June 28, 2015
Restructuring-related charges	$	—	$	292
Restructuring and impairment charges	206		2,856
Total restructuring, impairment, and restructuring-related charges	$	206	$	3,148

In June 2016, CTS announced plans to restructure operations by phasing out production at the Elkhart facility by mid-2018 and transitioning it into a research and development center supporting CTS' global operations ("June 2016 Plan"). Additional organizational changes will also occur in various other locations. The cost of the plan is preliminarily expected to range between $16,000 and $18,000, including the severance charges below, however this range may change significantly as we are still in the early stages of estimating the cost of the Plan. The total restructuring liability related to the June 2016 Plan was $196 at June 30, 2016. Additional liabilities related to the June 2016 Plan will be accrued following finalization of cost estimates and notification of our plans to the affected employees following negotiations with employee labor representatives.

Total restructuring and impairment charges under the June 2016 Plan were as follows:

	Three Months Ended
	June 30, 2016	June 28, 2015
Restructuring and impairment charges	206	—

	Six Months Ended
	June 30, 2016	June 28, 2015
Restructuring and impairment charges	206	—

In April 2014, CTS announced plans to restructure its operations and consolidate its Canadian operations into other existing CTS facilities as part of CTS’ overall plan to simplify its business model and rationalize its global footprint (“April 2014 Plan”). 

During the second quarter of 2015, CTS management revised the April 2014 Plan.  The revision added $4,250 in planned costs.  Additional administrative and legal costs were expected to account for $1,300 of the additional restructuring and impairment charges.  The remaining $2,950 in restructuring related charges are for additional costs related to equipment relocation, training, travel and shipping.  

These restructuring actions, which were completed during 2015, resulted in the reduction of approximately 120 positions.

The following table displays the planned restructuring and restructuring-related charges associated with the April 2014 Plan, as well as a summary of the actual costs incurred through June 30, 2016:

			Actual costs
	Planned		incurred through
April 2014 Plan	Costs		June 30, 2016
Inventory write-down	$	850	$	—
Equipment relocation	1,800		444
Other charges	1,400		113
Restructuring-related charges, included in cost of goods sold	$	4,050	$	557
Workforce reduction	$	4,200	$	4,423
Asset impairment charge	—		—
Other charges, including pension termination costs	1,700		3,413
Restructuring and impairment charges	$	5,900	$	7,836
Total restructuring, impairment and restructuring related charges	$	9,950	$	8,393

Total restructuring, impairment and restructuring related charges under the April 2014 Plan were as follows: 

	Three Months Ended
	June 30, 2016		June 28, 2015
Restructuring-related charges	$	—	$	217
Restructuring and impairment charges	—		1,516
Total restructuring, impairment, and restructuring related charges	$	—	$	1,733

	Six Months Ended
	June 30, 2016		June 28, 2015
Restructuring-related charges	$	—	$	217
Restructuring and impairment charges	—		1,877
Total restructuring, impairment, and restructuring-related charges	$	—	$	2,094

Total restructuring liability related to the April 2014 Plan was $611 at June 30, 2016.

 In June 2013, CTS announced a restructuring plan to simplify CTS’ global footprint by consolidating manufacturing facilities into existing locations (“June 2013 Plan”).  The June 2013 Plan included the consolidation of operations from the U.K. manufacturing facility into the Czech Republic facility, the Carol Stream, Illinois manufacturing facility into the Juarez, Mexico facility and discontinuing manufacturing at the Singapore facility.   Certain corporate functions were consolidated or eliminated as a result of the June 2013 Plan. These restructuring actions were completed in 2015 and resulted in the reduction of approximately 350 positions.

During the fourth quarter of 2014, CTS management revised the June 2013 Plan.  The revision added $4,000 in planned costs.  Settlement of the U.K. pension plan was expected to account for $2,000 of the added cost.  The remaining $2,000 in restructuring and impairment charges were for severance costs and resulted in the reduction of approximately 130 additional positions throughout CTS businesses. The above actions were completed in 2015.

The following table displays the planned restructuring and restructuring-related charges associated with the June 2013 Plan and a summary of the actual costs incurred through June 30, 2016:

			Actual
	Planned		incurred through
June 2013 Plan	Costs		June 30, 2016
Inventory write-down	$	800	$	1,143
Equipment relocation	900		1,792
Other charges	100		702
Restructuring-related charges, included in cost of goods sold	$	1,800	$	3,637
Workforce reduction	$	10,150	$	9,615
Asset impairment charge	3,000		4,139
Other charges, including pension termination costs	7,650		10,205
Restructuring and impairment charges	$	20,800	$	23,959
Total restructuring and restructuring-related charges	$	22,600	$	27,596

Under the June 2013 Plan, total restructuring, impairment and restructuring related charges incurred were as follows:

	Three Months Ended
	June 30, 2016		June 28, 2015
Restructuring-related charges	$	—	$	—
Restructuring and impairment charges	—		602
Total restructuring, impairment, and restructuring-related charges	$	—	$	602

	Six Months Ended
	June 30, 2016		June 28, 2015
Restructuring-related charges	$	—	$	75
Restructuring and impairment charges	—		979
Total restructuring, impairment, and restructuring-related charges	$	—	$	1,054

No remaining liability is recorded for the June 2013 Plan as of June 30, 2016.

The following table displays the restructuring liability activity for all plans for the period ended June 30, 2016: 

Combined Plans
Restructuring liability at January 1, 2016	$	826
Restructuring and restructuring-related charges, excluding asset impairments and write-offs	206
Cost paid	(265		)
Other activity (1)	$	40
Restructuring liability at June 30, 2016	$	807

(1) Other activity includes asset impairments, write-offs of property, plant and equipment, the effects of currency translation and other charges that do not flow through restructuring expense.

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Accrued Liabilities

6 Months Ended

Jun. 30, 2016

Other Liabilities Disclosure [Abstract]

Accrued Liabilities

Accrued Liabilities

The components of accrued liabilities are as follows: 

	As of
	June 30,		December 31,
	2016		2015
Accrued product related costs	$	4,873	$	5,245
Accrued income taxes	9,655		8,845
Accrued property and other taxes	1,750		1,838
Accrued outside commissions	1,294		97
Accrued professional fees	1,465		704
Accrued building improvement costs	1,709		1,768
Dividends payable	1,310		1,302
Remediation reserves	19,575		20,603
Other accrued liabilities	5,284		6,772
Total accrued liabilities	$	46,915	$	47,174

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Contingencies

6 Months Ended

Jun. 30, 2016

Commitments and Contingencies Disclosure [Abstract]

Contingencies

Contingencies

Certain processes in the manufacture of CTS' current and past products create hazardous waste by-products as currently defined by federal and state laws and regulations. CTS has been notified by the U.S. Environmental Protection Agency, state environmental agencies, and in some cases, generator groups, that it is or may be a potentially responsible party regarding hazardous substances at several sites either presently or historically owned, leased, or operated by CTS. Some sites are Superfund sites such as in Asheville, North Carolina and Mountain View, California. CTS reserves for probable remediation activities and for claims and proceedings against CTS with respect to other environmental matters. CTS records reserves on a undiscounted basis. In the opinion of management, based upon presently available information relating to all such matters, adequate provision for probable and estimable costs have been recorded. We do not have any known environmental obligations where a loss is probable or reasonably possible of occurring for which we do not have a reserve, nor do we have any amounts for which we have not reserved because the amount of the loss cannot be reasonably estimated. Due to the inherent nature of environmental obligations, CTS cannot provide assurance that its ultimate environmental investigation and clean-up costs and liabilities will not materially exceed the amount of its current reserve. Our reserve and disclosures will be adjusted accordingly if additional information becomes available in the future.

Unrelated to the environmental claims described above, certain other claims are pending against CTS with respect to matters arising out of the ordinary conduct of CTS’ business. Although the ultimate outcome of any potential litigation resulting from these claims cannot be predicted with certainty, and some may be disposed of unfavorably to CTS, management believes that adequate provision for anticipated costs have been established based upon all presently available information. Except as noted herein, we do not believe we have any pending loss contingencies that are probable or reasonably possible of having a material impact on our consolidated financial position, results of operations, or cash flows.

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Debt

6 Months Ended

Jun. 30, 2016

Debt Disclosure [Abstract]

Debt

Debt

Long-term debt was comprised of the following:

	As of
	June 30,			December 31,
	2016			2015
Revolving credit facility due in 2020	$	110,800		$	90,700
Weighted average interest rate	1.9		%	1.5		%
Amount available	$	187,035		$	106,985
Total credit facility	$	300,000		$	200,000
Standby letters of credit	$	2,165		$	2,315
Commitment fee percentage per annum	0.30		%	0.25		%

On August 10, 2015, CTS entered into a new five-year credit agreement with a group of banks (“Revolving Credit Facility”) in order to support CTS’ working capital needs and other general corporate purposes.  The Revolving Credit Facility originally provided for a credit line of $200,000. This Revolving Credit Facility replaced a prior unsecured credit facility.  Borrowings under the previous credit agreement were refinanced under the Revolving Credit Facility and the previous credit agreement was terminated on August 10, 2015. On May 23, 2016, CTS requested and received a $100,000 increase in the aggregate revolving credit commitments under its existing credit agreement, which increased the credit line from $200,000 to $300,000.  

The Revolving Credit Facility includes a swing line sublimit of $15,000 and a letter of credit sublimit of $10,000.  Borrowings under the Revolving Credit Facility bear interest, at CTS’ option, at the base rate plus the applicable margin for base rate loans or LIBOR plus the applicable margin for LIBOR loans.  CTS also pays a quarterly commitment fee on the unused portion of the Revolving Credit Facility.  The commitment fee ranges from 0.20% to 0.40% based on the CTS’ total leverage ratio. 

The Revolving Credit Facility requires, among other things, that CTS comply with a maximum total leverage ratio and a minimum fixed charge coverage ratio.  Failure of CTS to comply with these covenants could reduce the borrowing availability under the Revolving Credit Facility.  CTS was in compliance with all debt covenants at June 30, 2016.  The Revolving Credit Facility requires that CTS deliver quarterly financial statements, annual financial statements, auditors certifications and compliance certificates within a specified number of days after the end of a quarter and year. Additionally, the Revolving Credit Facility contains restrictions limiting CTS' ability to: dispose of assets; incur certain additional debt; repay other debt or amend subordinated debt instruments; create liens on assets; make investments, loans or advances; make acquisitions or engage in mergers or consolidations; engage in certain transactions with CTS' subsidiaries and affiliates; and make stock repurchases and dividend payments.  Interest rates on the Revolving Credit Facility fluctuate based upon the London Interbank Offered Rate and the Company’s quarterly total leverage ratio.  

CTS has debt issuance costs related to its long-term debt that are being amortized using the straight-line method over the life of the debt. These costs are included in interest expense in our Statement of Earnings. Amortization expense was approximately $32 and $50 for the three months ended June 30, 2016 and June 28, 2015, respectively, and approximately $70 and $100 for the first six months ended June 30, 2016 and June 28, 2015, respectively.

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Derivative Financial Instruments

6 Months Ended

Jun. 30, 2016

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Financial Instruments

Derivative Financial Instruments

Our earnings and cash flows are subject to fluctuations due to changes in foreign currency exchange rates and interest rates. We selectively use derivative financial instruments including foreign currency forward contracts and interest rate swaps to manage our exposure to these risks.

The use of derivative financial instruments exposes the Company to credit risk, which relates to the risk of nonperformance by a counterparty to the derivative contracts. We manage our credit risk by entering into derivative contracts with only highly rated financial institutions and by using netting agreements.

Foreign Currency Hedges

In January of 2016, we began using forward contracts to mitigate currency risk related to a portion of our forecasted foreign currency revenues and costs. The currency forward contracts are designed as cash flow hedges and are recorded in the Condensed Consolidated Balance Sheets at fair value. At least quarterly, we assess the effectiveness of these hedging relationships based on the total change in their fair value using regression analysis. The effective portion of derivative gains and losses are recorded in accumulated other comprehensive loss until the hedged transaction affects earnings upon settlement, at which time they are reclassified to cost of goods sold or net sales. Ineffectiveness is recorded in other income (expense) in our Condensed Consolidated Statement of Earnings. If it becomes probable that an anticipated transaction that is hedged will not occur by the end of the originally specified time period, we reclassify the gains or losses related to that hedge from accumulated other comprehensive income to other income (expenses).

We continue to monitor the Company’s overall currency exposure and may elect to add cash flow hedges in the future. At June 30, 2016, we had a net unrealized gain of $77 in accumulated other comprehensive income, which is expected to be reclassified to income within the next 12 months. The notional amount of foreign currency forward contracts outstanding was $10.8 million at June 30, 2016.

Interest Rate Swaps

CTS uses interest rate swaps to convert the revolving credit facility’s variable rate of interest into a fixed rate. In the second quarter of 2012, CTS entered into four separate interest rate swap agreements to fix interest rates on $50,000 of long-term debt for the periods January 2013 to January 2017. In the third quarter of 2012, CTS entered into four additional interest rate swap agreements to fix interest rates on $25,000 of long-term debt for the periods January 2013 to January 2017. The difference to be paid or received under the terms of the swap agreements will be recognized as an adjustment to interest expense when settled.

These swaps are treated as cash flow hedges and consequently, the changes in fair value were recorded in other comprehensive income (loss). The estimated net amount of the existing gains or losses that are reported in accumulated other comprehensive income (loss) that is expected to be reclassified into earnings within the next twelve months is approximately $480. 

The location and fair values of derivative instruments designated as hedging instruments in the Condensed Consolidated Balance Sheets as of June 30, 2016, are shown in the following table:

	As of
	June 30,			December 31,
	2016			2015
Foreign currency hedges reported in Other current assets	$	34		$	—
Interest rate swaps reported in Accrued liabilities	$	(480	)	$	(768	)

The Company has elected to net its foreign currency derivative assets and liabilities in the balance sheet in accordance with ASC 210-20. On a gross basis, there were foreign currency derivative assets of $107 and foreign currency derivative liabilities of $73.

The effect of derivative instruments on the Condensed Consolidated Statements of Earnings is as follows:

	Three Months Ended					Six Months Ended
	June 30,			June 28,		June 30,			June 28,
	2016			2015		2016			2015
Foreign Exchange Contracts:
Loss recognized in Net Sales	$	(84	)	$	—	$	(91	)	$	—
Gain recognized in Cost of Goods Sold	88			—		88			—
Gain recognized Selling, General and Administrative expense	6			—		10			—
Loss recognized in Other (expenses) income	—			—		(1		)	—
Interest Rate Swaps:
Interest Expense	$	161		$	192	$	313		$	382
Total	$	171		$	192	$	319		$	382

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Accumulated Other Comprehensive (Loss) Income

6 Months Ended

Jun. 30, 2016

Equity [Abstract]

Accumulated Other Comprehensive (Loss) Income

Accumulated Other Comprehensive (Loss) Income

Shareholders’ equity includes certain items classified as accumulated other comprehensive (loss) income (“AOCI”) in the Condensed Consolidated Balance Sheets, including:

Unrealized gains (losses) on hedges relate to interest rate swaps to convert the line of credit’s variable rate of interest into a fixed rate and foreign currency forward contracts used to hedge our exposure to changes in exchange rates affecting certain revenues and costs denominated in foreign currencies. These hedges are designated as cash flow hedges, and CTS has deferred income statement recognition of gains and losses until the hedged transaction occurs, at which time amounts are reclassified into earnings.  Further information related to CTS’ derivative financial instruments is included in Note 11 - Derivative Financial Instruments and Note 15 – Fair Value Measurements.

Unrealized gains (losses) on pension obligations are deferred from income statement recognition until the gains or losses are realized.  Amounts reclassified to income from AOCI are included in net periodic pension expense.  Further information related to CTS’ pension obligations is included in NOTE 5 – Retirement Plans.

Cumulative translation adjustment relates to our non-U.S. subsidiary companies that have designated a functional currency other than the U.S. dollar. CTS is required to translate the subsidiary functional currency financial statements to dollars using a combination of historical, period-end, and average foreign exchange rates. This combination of rates creates the foreign currency translation adjustment component of other comprehensive (loss) income.  

Changes in exchange rates between the functional currency and the currency in which a transaction is denominated are foreign exchange transaction gains or losses. Transaction (losses)/gains for the three and six month periods ended June 30, 2016 were ($1,260) and ($1,491), respectively, and for the three and six month periods ended June 28, 2015 were $125 and ($1,563), respectively, which are included in other income/(expenses) in the Condensed Consolidated Statement of Earnings.

The components of accumulated other comprehensive (loss) income for the three months ended June 30, 2016, are as follows:

							Gain (Loss)
	As of			Gain (Loss)			reclassified			As of
	March 31,			Recognized			from AOCI			June 30,
	2016			in OCI			to income			2016
Changes in fair market value of hedges:
Gross	$	(295	)	$	(337	)	$	229		$	(403	)
Income tax expense (benefit)	110			127			(86		)	151
Net	(185		)	(210		)	143			(252		)
Changes in unrealized pension cost:
Gross	(160,268		)	—			1,505			(158,763		)
Income tax expense (benefit)	63,818			—			(558		)	63,260
Net	(96,450		)	—			947			(95,503		)
Cumulative translation adjustment:
Gross	(1,685		)	(310		)	—			(1,995		)
Income tax expense (benefit)	108			(7		)	—			101
Net	(1,577		)	(317		)	—			(1,894		)
Total accumulated other comprehensive (loss) income	$	(98,212	)	$	(527	)	$	1,090		$	(97,649	)

The components of accumulated other comprehensive (loss) income for the three months ended June 28, 2015, are as follows:

							Gain (Loss)
	As of			Gain (Loss)			reclassified			As of
	March 29,			Recognized			from AOCI			June 28,
	2015			in OCI			to income			2015
Changes in fair market value of hedges:
Gross	$	(1,157	)	$	(82	)	$	192		$	(1,047	)
Income tax expense (benefit)	435			31			(72		)	394
Net	(722		)	(51		)	120			(653		)
Changes in unrealized pension cost:
Gross	(167,361		)	1,199			—			(166,162		)
Income tax expense (benefit)	64,451			(494		)	—			63,957
Net	(102,910		)	705			—			(102,205		)
Cumulative translation adjustment:
Gross	(491		)	1,064			—			573
Income tax expense (benefit)	(42		)	427			—			385
Net	(533		)	1,491			—			958
Total accumulated other comprehensive (loss) income	$	(104,165	)	$	2,145		$	120		$	(101,900	)

The components of accumulated other comprehensive (loss) income for the six months ended June 30, 2016, are as follows:

							Gain (Loss)
	As of			Gain (Loss)			reclassified			As of
	December 31,			Recognized			from AOCI			June 30,
	2015			in OCI			to income			2016
Changes in fair market value of hedges:
Gross	$	(768	)	$	(95	)	$	460		$	(403	)
Income tax expense (benefit)	289			36			(174		)	151
Net	(479		)	(59		)	286			(252		)
Changes in unrealized pension cost:
Gross	(161,719		)	—			2,956			(158,763		)
Income tax expense (benefit)	64,361			—			(1,101		)	63,260
Net	(97,358		)	—			1,855			(95,503		)
Cumulative translation adjustment:
Gross	(1,279		)	(716		)	—			(1,995		)
Income tax expense (benefit)	111			(10		)	—			101
Net	(1,168		)	(726		)	—			(1,894		)
Total accumulated other comprehensive (loss) income	$	(99,005	)	$	(785	)	$	2,141		$	(97,649	)

The components of accumulated other comprehensive (loss) income for the six months ended June 28, 2015, are as follows:

							Gain (Loss)
	As of			Gain (Loss)			reclassified			As of
	December 31,			Recognized			from AOCI			June 28,
	2014			in OCI			to income			2015
Changes in fair market value of hedges:
Gross	$	(1,020	)	$	(409	)	$	382		$	(1,047	)
Income tax expense (benefit)	384			154			(144		)	394
Net	(636		)	(255		)	238			(653		)
Changes in unrealized pension cost:
Gross	(169,291		)	3,129			—			(166,162		)
Income tax expense (benefit)	65,124			(1,167		)	—			63,957
Net	(104,167		)	1,962			—			(102,205		)
Cumulative translation adjustment:
Gross	245			328			—			573
Income tax expense (benefit)	325			60			—			385
Net	$	570		$	388		$	—		$	958
Total accumulated other comprehensive (loss) income	$	(104,233	)	$	2,095		$	238		$	(101,900	)

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Shareholders' Equity

6 Months Ended

Jun. 30, 2016

Stockholders' Equity Note [Abstract]

Shareholders' Equity

Shareholders’ Equity

Share count and par value data related to shareholders’ equity are as follows:

	As of
	June 30,	December 31,
	2016	2015
Preferred Stock
Par value per share	No par value	No par value
Shares authorized	25,000,000	25,000,000
Shares outstanding	—	—
Common Stock
Par value per share	No par value	No par value
Shares authorized	75,000,000	75,000,000
Shares issued	56,452,983	56,242,499
Shares outstanding	32,758,961	32,548,477
Treasury stock
Shares held	23,694,022	23,694,022

Through June 30, 2016, CTS had purchased 164,852 shares of common stock for an aggregate of $2,893 under a previously board-authorized share repurchase plan. No common stock repurchases were made during the six months ending June 30, 2016. Approximately $17,554 is available for future purchases.

A roll-forward of common shares outstanding is as follows:

	Six Months Ended
	June 30,	June 28,
	2016	2015
Balance at the beginning of the year	32,548,477	33,392,060
Repurchases	—	(626,882	)
Shares issued upon exercise of stock options	—	5,200
Restricted share issuances	210,484	133,353
Balance at the end of the period	32,758,961	32,903,731

Certain potentially dilutive restricted stock units are excluded from diluted earning per share because they are anti-dilutive. The number of awards that were anti-dilutive at June 30, 2016 and June 28, 2015 were 11,600 and 0, respectively.

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Equity-Based Compensation

6 Months Ended

Jun. 30, 2016

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

Equity-Based Compensation

Equity-Based Compensation

At June 30, 2016, CTS had four equity-based compensation plans: the Nonemployee Directors’ Stock Retirement Plan (“Directors’ Plan”), the 2004 Omnibus Long-Term Incentive Plan (“2004 Plan”), the 2009 Omnibus Equity and Performance Incentive Plan (“2009 Plan”), and the 2014 Performance & Incentive Plan (“2014 Plan”).  Future grants can only be made under the 2014 Plan.

The 2009 Plan, and previously the 2004 Plan, provides for grants of incentive stock options or nonqualified stock options to officers, key employees, and non-employee members of CTS’ Board of Directors.  In addition, the 2014 Plan, the 2009 Plan and the 2004 Plan allow for grants of stock appreciation rights, restricted stock, restricted stock units ("RSUs"), performance shares, performance units, and other stock awards.

The following table summarizes the compensation expense included in selling, general and administrative expenses in the Condensed Consolidated Statements of Earnings related to equity-based compensation plans:

	Three Months Ended				Six Months Ended
	June 30,		June 28,		June 30,			June 28,
	2016		2015		2016			2015
Service-Based RSUs	$	436	$	400	$	948		$	949
Performance-Based RSUs	130		251		(25		)	771
Market-Based RSUs	119		191		44			642
Total	$	685	$	842	$	967		$	2,362
Income tax benefit	$	257	$	317	$	363		$	888

The following table summarizes the unrecognized compensation expense related to non-vested RSUs by type and the weighted-average period in which the expense is to be recognized:

	Unrecognized
	compensation		Weighted-
	expense at		average
	June 30, 2016		period
Service-Based RSUs	$	2,084	1.4 years
Performance-Based RSUs	698		1.5 years
Market-Based RSUs	638		1.4 years
Total	$	3,420	1.4 years

CTS recognizes expense on a straight-line basis over the requisite service period for each separately vesting portion of the award as if the award was, in substance, multiple awards.

The following table summarizes the maximum number of awards available to be granted under these plans as of June 30, 2016:

	2014 Plan	2009 Plan	2004 Plan	Directors' Plan
Awards originally available	1,500,000	3,400,000	6,500,000	N/A
Stock options outstanding	—	—	—	—
Options exercisable	—	—	—	—
Performance-based options outstanding	325,000	—	—	—
Service-based RSUs outstanding	257,371	170,442	78,947	25,985
Performance and market-based RSUs outstanding at 200% of target	351,300	86,120	—	—
RSUs vested and released	48,339	—	—	—
Awards available for grant	517,990	256,562	78,947	25,985

Stock Options

Stock options are exercisable in cumulative annual installments over a maximum 10-year period, commencing at least one year from the date of grant.  Stock options are generally granted with an exercise price equal to the market price of CTS’ stock on the date of grant, vest over four years, and have a 10-year contractual life.  The awards generally contain provisions to either accelerate vesting or allow vesting to continue on schedule upon retirement if certain service and age requirements are met.   The awards also provide for accelerated vesting if there is a change in control event. CTS has no stock options exercisable or outstanding as of June 30, 2016, other than the performance-based stock options described below.

Performance-Based Stock Options

During the second quarters of 2015 and 2016, the Compensation Committee of the Board of Directors of the Company (the “Committee”) granted a total of 325,000 performance-based stock option awards (“Performance-Based Option Awards”) for certain CTS employees under the 2014 Plan.  The Performance-Based Option Awards have an exercise price of $18.37, a term of five years, and generally will become exercisable (provided the optionee remains employed by CTS or an affiliate) upon CTS’ attainment of at least $600,000 in revenues during any of CTS’ four-fiscal-quarter trailing periods (as determined by the Committee) during the term.  CTS has not recognized any expense on these Performance-Based Option Awards for the six months ended June 30, 2016, since the revenue target is not deemed likely to be attained based on our current forecast.

Service-Based Restricted Stock Units

Service-based RSUs entitle the holder to receive one share of common stock for each unit when the unit vests.  RSUs are issued to officers, key employees and non-employee directors as compensation.  Generally, the RSUs vest over a three-year period.  RSUs granted to non-employee directors vest one month after the grant date.  Upon grant, each non-employee director elects to either receive the stock associated with the RSU immediately upon vesting, or defer receipt of the stock until his or her retirement from the Board of Directors.  The fair value of the RSUs is equivalent to the trading value of CTS’ common stock on the grant date.

A summary of the status of RSUs granted under the 2004, 2009, and 2014 plans is presented below: 

	Six Months Ended
	June 30, 2016
	Units		Weighted Average Grant Date Fair Value
Outstanding at January 1, 2016	471,196		$	13.27
Granted	164,922		13.97
Vested and released	(97,298	)	14.39
Forfeited	(32,060	)	17.05
Outstanding at June 30, 2016	506,760		$	13.13
Releasable at June 30, 2016	277,749		$	11.33

A summary of the status of RSUs granted under the Director's Plan is presented below:

	Six Months Ended
	June 30, 2016
	Units		Weighted Average Grant Date Fair Value
Outstanding at January 1, 2016	33,974		$	11.75
Granted	—		—
Vested and released	(7,989	)	11.75
Forfeited	—		—
Outstanding at June 30, 2016	25,985		$	11.75
Releasable at June 30, 2016	25,985		$	11.75

Performance and Market-Based Restricted Stock Units

CTS grants performance-based restricted stock unit awards to certain executives. Vesting may occur in the amount of zero percent to 200% of the grant target.  Vesting is subject to certification of the financial results for the last year in the performance period by CTS’ independent auditors. The number of awards vesting is dependent upon CTS’ achievement of either sales growth targets or cash flow targets as defined in the agreements.

CTS grants market-based restricted stock unit awards to certain executives and key employees. Vesting may occur in the amount of zero percent to 200% of the grant target.  Vesting is subject to certification of the financial results for the last year of the target range by CTS’ independent auditors.  The number of awards vesting is determined using a matrix based on a percentile ranking of CTS' total stockholder return with a peer group total shareholder return over the three-year period comprising the performance period. Vesting is tied exclusively to CTS' total stockholder return relative to peer group companies’ total stockholder return rates during the performance period.  

The following table summarizes the performance and market-based RSU activity as of and for the six months ended June 30, 2016:

	Units		Weighted Average Grant Date Fair Value
Outstanding at January 1, 2016, at target	249,560		14.59
Granted, at target	108,650		13.56
Attained by performance	97,017		10.48
Vested and released	(234,517	)	10.52
Forfeited, at target	(9,000	)	17.14
Outstanding at June 30, 2016, at target	211,710		16.58
Maximum potential units outstanding at June 30, 2016	437,420		16.63

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Fair Value Measurements

6 Months Ended

Jun. 30, 2016

Fair Value Disclosures [Abstract]

Fair Value Measurements

Fair Value Measurements

CTS uses interest rate swaps to convert our line of credit’s variable rate of interest into a fixed rate and foreign currency forward contracts to hedge the effect of foreign currency changes on certain revenues and costs denominated in foreign currencies. These derivative financial instruments are measured at fair value on a recurring basis.  The table below summarizes CTS’ financial assets (liabilities) that were measured at fair value at June 30, 2016:

				Quoted
				Prices
				in Active		Significant
	Carrying			Markets for		Other			Significant
	Value at			Identical		Observable			Unobservable
	June 30,			Instruments		Inputs			Inputs
	2016			(Level 1)		(Level 2)			(Level 3)
Interest rate swaps	$	(480	)	$	—	$	(480	)	$	—
Foreign currency hedges	$	34		$	—	$	34		$	—

The table below summarizes the financial liability that was measured at fair value on a recurring basis as of December 31, 2015:

				Quoted
				Prices
				in Active		Significant
	Carrying			Markets for		Other			Significant
	Value at			Identical		Observable			Unobservable
	December 31,			Instruments		Inputs			Inputs
	2015			(Level 1)		(Level 2)			(Level 3)
Interest rate swaps	$	(768	)	$	—	$	(768	)	$	—

The fair value of our interest rate swaps and foreign currency hedges were measured using standard valuation models using market-based observable inputs over the contractual terms, including forward yield curves, among others. There is a readily determinable market for these derivative instruments, but that market is not active and therefore they are classified within level 2 of the fair value hierarchy.

The table below provides a reconciliation of the recurring financial assets (liabilities) for our derivative instruments:

				Foreign
	Interest			Currency
	Rate Swaps			Hedges
Balance at January 1, 2015	$	(1,020	)	$	—
Realized gains (losses) included in earnings	768			—
Unrealized gains (losses)	(516		)	—
Balance at December 31, 2015	$	(768	)	$	—
Realized gains (losses) included in earnings	472			3
Unrealized gains (losses)	(184		)	31
Balance at June 30, 2016	$	(480	)	$	34

CTS' long-term debt consists of the Revolving Credit Facility which is recorded at its carrying value. There is a readily determinable market for CTS' long-term debt and it is classified within Level 2 of the fair value hierarchy as the market is not deemed to be active. The fair value of long-term debt approximates carrying value and was determined by valuing a similar hypothetical coupon bond and attributing that value to our long-term debt under the Revolving Credit Facility.

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Income Taxes

6 Months Ended

Jun. 30, 2016

Income Tax Disclosure [Abstract]

Income Taxes

Income Taxes

The effective tax rates for the first quarter 2016 and 2015 are as follows:

	Three Months Ended				Six Months Ended
	June 30,		June 28,		June 30,		June 28,
	2016		2015		2016		2015
Effective tax rate	34.7	%	(75.7	)%	34.5	%	(27.7	)%

CTS' effective income tax rate for was 34.7% and (75.7)% in the second quarter of 2016 and 2015, respectively. The tax rate in the second quarter and first six months of 2016 reflected the change in the mix of earnings by jurisdiction, the impact of discrete items, the company’s decision to no longer permanently reinvest the earnings of its Canadian and U.K. subsidiaries, and tax expense for withholding taxes on earnings in China that are not anticipated to be maintained in China. CTS began recording tax expense for withholding taxes in China in the fourth quarter of 2015 and expects to continue this practice going forward. During the second quarter and first six months of 2015, CTS reflected a benefit attributable to filing amended U.S. federal tax returns in order to take credits for foreign taxes paid which was partially offset by a reserve recorded on an uncertain tax position.

CTS’ continuing practice is to recognize interest and/or penalties related to income tax matters as income tax expense. For the three months ended June 30, 2016, and June 28, 2015, CTS accrued $186 and $820 of interest or penalties in income tax expense.

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Business Combinations

6 Months Ended

Jun. 30, 2016

Business Combinations [Abstract]

Business Combinations

Business Combinations

On March 11, 2016, CTS acquired all of the outstanding membership interests in CTG Advanced Materials, LLC (“CTG-AM”), a privately-held company, for $73 million in cash plus a working capital adjustment. CTG-AM, formerly operated as H.C. Materials, is the market leading designer and manufacturer of single crystal piezoelectric materials, serving major original equipment manufacturers throughout the medical marketplace. These materials enable high definition ultrasound imaging (3D and 4D), as well as intravascular ultrasound applications. Other applications for these materials include wireless pacemakers, implantable hearing aids, and defense technologies.

With the CTG-AM acquisition, CTS gains technology and proprietary manufacturing methods that expand its offering of piezoelectric materials. This allows CTS to become the leading large-scale commercial producer of both single crystal materials and traditional piezoelectric ceramics.

The purchase price of $73,063, net of cash acquired of $4, has been allocated to the fair values of assets and liabilities acquired as of March 11, 2016.

The following table summarizes the fair values of the assets acquired and the liabilities assumed at the date of acquisition:

	Fair Values at March 11, 2016
Current assets	$	4,215
Property, plant and equipment	6,173
Other assets	37
Goodwill	27,879
Intangible assets	35,427
Fair value of assets acquired	73,731
Less fair value of liabilities acquired	(668		)
Net cash paid	$	73,063

Goodwill represents value the Company expects to be created by combining the operations of the acquired business with the Company's operations, including the expansion into markets within our existing business, access to new customers, and potential cost savings and synergies. Goodwill related to the acquisition is expected to be deductible for tax purposes.

The following table summarizes the carrying amounts and weighted average lives of the acquired intangible assets:

Intangible Asset Type	Fair Value		Weighted Average Amortization Period (in years)
Developed Technology	$	23,730	15.0
Customer Relationships and Contracts	11,502		14.6
Other	195		0.8
Total	$	35,427

CTS incurred $804 in transaction related costs during the six months ended June 30, 2016. These costs are included in selling, general, and administrative costs in our Condensed Consolidated Statement of Earnings.

Results of operations for CTG -AM are included in our consolidated condensed financial statements beginning on March 11, 2016. The amount of net sales and net loss from CTG-AM since the acquisition date that have been included in the Condensed Consolidated Statement of Earnings are as follows:

	For the period March 11, 2016 through June 30, 2016
Net sales	$	3,876
Net loss	$	111

Supplemental Pro Forma Information

The unaudited pro forma amounts below include CTG-AM's revenues and earnings that would have been included in our Condensed Consolidated Statement of Earnings had the acquisition date been January 1, 2015.

	Three Months Ended				Six Months Ended
	June 30,		June 28,		June 30,		June 28,
	2016		2015		2016		2015
Net sales	$	98,693	$	103,689	$	197,710	$	205,290
Net earnings	$	14,487	$	19,640	$	22,249	$	26,298
Earnings per share:
Basic	$	0.44	$	0.59	$	0.68	$	0.79
Diluted	$	0.44	$	0.59	$	0.67	$	0.78

The pro forma results have been prepared for informational purposes only and include adjustments to amortize acquired intangible assets with finite life, reflect additional interest expense on debt used to fund the acquisition, and to record the tax consequences of the pro forma adjustments. Included in the pro forma results are nonrecurring expenses for transaction costs of $0 and $804 and additional cost of goods sold of $750 and $1,151 for the three and six month periods ended June 30, 2016 for inventory recognized at fair value as a result of acquisition-related adjustments.

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Recent Accounting Pronouncements

6 Months Ended

Jun. 30, 2016

Accounting Changes and Error Corrections [Abstract]

Recent Accounting Pronouncements

Recent Accounting Pronouncements

ASU 2016-9 "Compensation-Stock Compensation (Topic 718): Improvement to Employee Share Based Payment Accounting"

In March 2016, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") No. 2016-09, “Improvements to Employee Share-Based Payment Accounting.” This ASU simplifies several aspects of the accounting for share-based payment transactions, including the income tax consequences, forfeitures, classification of awards as either equity or liabilities, and classification on the statement of cash flows. The guidance is effective for annual reporting periods beginning after December 15, 2016, including interim periods. Early adoption is permitted. An entity that elects early adoption of the amendment under this ASU must adopt all aspects of the amendment in the same period. We are currently evaluating the impact this guidance will have on our consolidated financial statements.

ASU 2016-5 "Derivatives and Hedging (Topic 815): Effect of Derivative Contract Novations on Existing Hedge Accounting Relationships"

In March 2016, the FASB issued ASU No. 2016-5 "Derivatives and Hedging (Topic 815): Effect of Derivative Contract Novations on Existing Hedge Accounting Relationships". This amendment clarifies that a change in the counterparty to a derivative instrument does not on its own require dedesignation of the hedging instrument under Topic 815, provided that all other hedge accounting criteria (including those in paragraphs 815-20-35-14 through 35-18) continue to be met. This update can be applied prospectively or retrospectively and is effective for fiscal years beginning after December 15, 2016, and interim periods within those years. This update is not expected to have an impact to our financial statements.

ASU 2016-2 "Leases (Topic 842)"

In February 2016, the FASB issued ASU 2016-2, "Leases (Topic 842)". This amendment created a new Topic under the accounting standards codification to account for the provisions of the ASU. This amendment is meant to provide transparency and to improve comparability between entities. The ASU requires companies to record an asset and liability to the balance sheet for leases that were formerly designated as operating leases as well as leases designated as financing leases. The provisions of the ASU predominately change the recognition of leases for lessees, the provisions do not substantially change the accounting for lessors. This ASU will supersede the provisions of Topic 840 Leases.

The liability recorded for a lease is meant to recognize the lease payments and the asset as a right to use the underlying asset for the lease, including optional periods if it is reasonably certain the option will be exercised. Recording of the liability should be based on the present value of the lease payments. If a lease term is less than twelve month, a company is allowed to elect not to record the asset and liability. Expense related to these leases are to be amortized straight-line over the term of the lease.

Additionally, the provisions of this ASU provide additional guidance on separating lease terms from maintenance and other type of provisions that provide a good or service, accounting for sale-leaseback provisions, and leveraged leases.

Reporting in the cash flow statement remains virtually unchanged as the lease payments will continue to be recognized within financing activities and the change in interest within operating activities. Reporting for operating leases remain within operating activities. Additional qualitative and quantitative disclosures are required.

These updates are required to be applied under a modified retrospective approach from the beginning of the earlier period presented. The modified approach provides optional practical expedients that may be elected, which will allow companies to continue to account for leases under the previous guidance for leases that commenced prior to the effective date.

The provisions of this ASU are effective for fiscal years beginning after December 15, 2018, and interim periods within those periods. Early adoption is allowed. The provisions of this guidance are still being evaluated and the impact on CTS' financial statements has not yet been determined.

ASU 2015-17, “Income Taxes (Topic 740): Balance Sheet Classification of Deferred Taxes”

In November 2015, FASB issued ASU 2015-17, "Income Taxes (Topic 740): Balance Sheet Classification of Deferred Taxes".The amendment requires Company's to begin classifying all deferred income taxes as non-current. The provisions are expected to simplify the presentation of deferred income taxes and align the presentation of deferred income taxes with the International Financial Reporting Standards ("IFRS"). The amendments in this update are effective for annual periods beginning after December 16, 2016, and interim periods within those annual periods. The update can be applied prospectively or retrospectively.

The Company early adopted the above guidance on January 1, 2016 and elected to retrospectively apply its provisions. This resulted in reclassification of the amounts in our December 31, 2015 Consolidated Balance Sheet as shown in Note 1 - Basis of Presentation.

ASU 2015-16, “Business Combinations (Topic 805): Simplifying the Accounting for Measurement-Period Adjustments”

In September 2015, the FASB issued Accounting Standards Update (“ASU”) 2015-16, "Business Combinations (Topic 805) Simplifying the Accounting for Measurement-Period Adjustments of Inventory". The amendments clarify that an acquirer recognize adjustments to provisional amounts that are identified during the measurement period in the reporting period in which the adjustment amounts are determined. The acquirer needs to record, in the same period’s financial statements, the effect of changes in depreciation, amortization, or other income as a result of the change to the provisional amounts as if the accounting had been completed at the acquisition date. This amendment requires an entity to present separately on the face of the income statement or disclose in the notes the portion of the amount recorded in current period earnings by line item, as if the provisional adjustments had been recognized as of the acquisition date. This ASU became effective for CTS on January 1, 2016 and its provisions did not have an impact on our financial statements.

ASU 2015-14, "Revenue from Contracts with Customers (Topic 606)"

In August 2015, the FASB issued ASU 2015-14, "Accounting for Revenue from Contracts with Customers (Topic 606)". The amended guidance deferred the effective date of the ASU 2014-09 "Revenue from Contracts with Customers(Topic 606)" to annual periods beginning after December 15, 2017, and interim periods within that reporting period. Early adoption is permitted for annual periods beginning after December 15, 2016, and interim periods within that annual period. In addition, in April 2016 the FASB issued ASU 2016-10 "Revenue from Contracts with Customers: Identifying Performance Obligations and Licensing (Topic 606)", which amends the revenue guidance on identifying performance obligations and accounting for intellectual property licenses. In May 2016, the FASB issued ASU 2016-12 "Revenue from Contracts with Customers: Narrow-Scope Improvements and Practical Expedients (Topic 606)", which provides additional guidance in assessing whether a transaction meets the definition of revenue, in narrowed circumstances during the transition to ASU 2014-09 and subsequent to implementation. This update can either be applied under either a cumulative effect or retrospective method. ASU 2016-10 and ASU 2016-12 must be adopted concurrently with ASU 2014-09. The impact of ASU 2014-9 on our financial statements has not yet been determined.

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Basis of Presentation (Policies)

6 Months Ended

Jun. 30, 2016

Accounting Policies [Abstract]

Basis of Presentation

The accompanying condensed consolidated financial statements have been prepared by CTS Corporation (“CTS” or “the Company”), without audit, pursuant to the rules and regulations of the Securities and Exchange Commission.  Certain information and footnote disclosures normally included in financial statements prepared in accordance with generally accepted accounting principles have been omitted pursuant to such rules and regulations. The unaudited condensed consolidated financial statements should be read in conjunction with the financial statements, notes thereto, and other information included in the Company’s Annual Report on Form 10‑K for the year ended December 31, 2015.

The accompanying unaudited condensed consolidated financial statements reflect, in the opinion of management, all adjustments (consisting of normal recurring items) necessary for a fair statement, in all material respects, of the financial position and results of operations for the periods presented.  The preparation of financial statements in conformity with generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reported period.  Actual results could differ materially from those estimates.  The results of operations for the interim periods are not necessarily indicative of the results for the entire year.

Reclassifications

Reclassifications

Certain prior period reclassifications have been made in the Condensed Consolidated Balance Sheet as a result of including our other post-retirement benefit plan liabilities in Post-retirement obligations as well as the retrospective application of a new accounting pronouncement

Recent Accounting Pronouncements

ASU 2016-9 "Compensation-Stock Compensation (Topic 718): Improvement to Employee Share Based Payment Accounting"

In March 2016, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") No. 2016-09, “Improvements to Employee Share-Based Payment Accounting.” This ASU simplifies several aspects of the accounting for share-based payment transactions, including the income tax consequences, forfeitures, classification of awards as either equity or liabilities, and classification on the statement of cash flows. The guidance is effective for annual reporting periods beginning after December 15, 2016, including interim periods. Early adoption is permitted. An entity that elects early adoption of the amendment under this ASU must adopt all aspects of the amendment in the same period. We are currently evaluating the impact this guidance will have on our consolidated financial statements.

ASU 2016-5 "Derivatives and Hedging (Topic 815): Effect of Derivative Contract Novations on Existing Hedge Accounting Relationships"

In March 2016, the FASB issued ASU No. 2016-5 "Derivatives and Hedging (Topic 815): Effect of Derivative Contract Novations on Existing Hedge Accounting Relationships". This amendment clarifies that a change in the counterparty to a derivative instrument does not on its own require dedesignation of the hedging instrument under Topic 815, provided that all other hedge accounting criteria (including those in paragraphs 815-20-35-14 through 35-18) continue to be met. This update can be applied prospectively or retrospectively and is effective for fiscal years beginning after December 15, 2016, and interim periods within those years. This update is not expected to have an impact to our financial statements.

ASU 2016-2 "Leases (Topic 842)"

In February 2016, the FASB issued ASU 2016-2, "Leases (Topic 842)". This amendment created a new Topic under the accounting standards codification to account for the provisions of the ASU. This amendment is meant to provide transparency and to improve comparability between entities. The ASU requires companies to record an asset and liability to the balance sheet for leases that were formerly designated as operating leases as well as leases designated as financing leases. The provisions of the ASU predominately change the recognition of leases for lessees, the provisions do not substantially change the accounting for lessors. This ASU will supersede the provisions of Topic 840 Leases.

The liability recorded for a lease is meant to recognize the lease payments and the asset as a right to use the underlying asset for the lease, including optional periods if it is reasonably certain the option will be exercised. Recording of the liability should be based on the present value of the lease payments. If a lease term is less than twelve month, a company is allowed to elect not to record the asset and liability. Expense related to these leases are to be amortized straight-line over the term of the lease.

Additionally, the provisions of this ASU provide additional guidance on separating lease terms from maintenance and other type of provisions that provide a good or service, accounting for sale-leaseback provisions, and leveraged leases.

Reporting in the cash flow statement remains virtually unchanged as the lease payments will continue to be recognized within financing activities and the change in interest within operating activities. Reporting for operating leases remain within operating activities. Additional qualitative and quantitative disclosures are required.

These updates are required to be applied under a modified retrospective approach from the beginning of the earlier period presented. The modified approach provides optional practical expedients that may be elected, which will allow companies to continue to account for leases under the previous guidance for leases that commenced prior to the effective date.

The provisions of this ASU are effective for fiscal years beginning after December 15, 2018, and interim periods within those periods. Early adoption is allowed. The provisions of this guidance are still being evaluated and the impact on CTS' financial statements has not yet been determined.

ASU 2015-17, “Income Taxes (Topic 740): Balance Sheet Classification of Deferred Taxes”

In November 2015, FASB issued ASU 2015-17, "Income Taxes (Topic 740): Balance Sheet Classification of Deferred Taxes".The amendment requires Company's to begin classifying all deferred income taxes as non-current. The provisions are expected to simplify the presentation of deferred income taxes and align the presentation of deferred income taxes with the International Financial Reporting Standards ("IFRS"). The amendments in this update are effective for annual periods beginning after December 16, 2016, and interim periods within those annual periods. The update can be applied prospectively or retrospectively.

The Company early adopted the above guidance on January 1, 2016 and elected to retrospectively apply its provisions. This resulted in reclassification of the amounts in our December 31, 2015 Consolidated Balance Sheet as shown in Note 1 - Basis of Presentation.

ASU 2015-16, “Business Combinations (Topic 805): Simplifying the Accounting for Measurement-Period Adjustments”

In September 2015, the FASB issued Accounting Standards Update (“ASU”) 2015-16, "Business Combinations (Topic 805) Simplifying the Accounting for Measurement-Period Adjustments of Inventory". The amendments clarify that an acquirer recognize adjustments to provisional amounts that are identified during the measurement period in the reporting period in which the adjustment amounts are determined. The acquirer needs to record, in the same period’s financial statements, the effect of changes in depreciation, amortization, or other income as a result of the change to the provisional amounts as if the accounting had been completed at the acquisition date. This amendment requires an entity to present separately on the face of the income statement or disclose in the notes the portion of the amount recorded in current period earnings by line item, as if the provisional adjustments had been recognized as of the acquisition date. This ASU became effective for CTS on January 1, 2016 and its provisions did not have an impact on our financial statements.

ASU 2015-14, "Revenue from Contracts with Customers (Topic 606)"

In August 2015, the FASB issued ASU 2015-14, "Accounting for Revenue from Contracts with Customers (Topic 606)". The amended guidance deferred the effective date of the ASU 2014-09 "Revenue from Contracts with Customers(Topic 606)" to annual periods beginning after December 15, 2017, and interim periods within that reporting period. Early adoption is permitted for annual periods beginning after December 15, 2016, and interim periods within that annual period. In addition, in April 2016 the FASB issued ASU 2016-10 "Revenue from Contracts with Customers: Identifying Performance Obligations and Licensing (Topic 606)", which amends the revenue guidance on identifying performance obligations and accounting for intellectual property licenses. In May 2016, the FASB issued ASU 2016-12 "Revenue from Contracts with Customers: Narrow-Scope Improvements and Practical Expedients (Topic 606)", which provides additional guidance in assessing whether a transaction meets the definition of revenue, in narrowed circumstances during the transition to ASU 2014-09 and subsequent to implementation. This update can either be applied under either a cumulative effect or retrospective method. ASU 2016-10 and ASU 2016-12 must be adopted concurrently with ASU 2014-09. The impact of ASU 2014-9 on our financial statements has not yet been determined.

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Basis of Presentation (Tables)

6 Months Ended

Jun. 30, 2016

Accounting Policies [Abstract]

Schedule Prior Period Adjustments

The chart below quantifies the effects of these reclassification adjustments on our December 31, 2015, financial statements:

	At December 31, 2015
Consolidated Balance Sheet Line Item	As previously reported			Reclassification adjustment			As currently reported
Other current assets	$	15,888		$	(6,025	)	$	9,863
Deferred income taxes	$	58,544		$	5,265		$	63,809
Accrued liabilities	$	(53,905	)	$	6,731		$	(47,174	)
Post-retirement obligations	$	(2,703	)	$	(4,527	)	$	(7,230	)
Other long-term obligations	$	(7,725	)	$	(1,444	)	$	(9,169	)

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Accounts Receivable (Tables)

6 Months Ended

Jun. 30, 2016

Receivables [Abstract]

Components of Accounts Receivable

The components of accounts receivable are as follows:

	As of
	June 30,			December 31,
	2016			2015
Accounts receivable, gross	$	62,297		$	54,696
Less: Allowance for doubtful accounts	(172		)	(133		)
Accounts receivable, net	$	62,125		$	54,563

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Inventories (Tables)

6 Months Ended

Jun. 30, 2016

Inventory Disclosure [Abstract]

Summary of Inventories

Inventories consist of the following:

	As of
	June 30,			December 31,
	2016			2015
Finished goods	$	5,881		$	6,972
Work-in-process	8,501			6,828
Raw materials	17,856			16,991
Less: Inventory reserves	(6,260		)	(6,191		)
Inventories, net	$	25,978		$	24,600

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Property, Plant and Equipment (Tables)

6 Months Ended

Jun. 30, 2016

Property, Plant and Equipment [Abstract]

Summary of Property, Plant and Equipment

Property, plant and equipment is comprised of the following:

	As of
	June 30,			December 31,
	2016			2015
Land	$	2,330		$	2,401
Buildings and improvements	63,053			65,731
Machinery and equipment	203,637			191,212
Less: Accumulated depreciation	(192,047		)	(189,472		)
Property, plant and equipment, net	$	76,973		$	69,872

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Retirement Plans (Tables) - USD ($)
$ in Thousands

3 Months Ended

6 Months Ended

Jun. 30, 2016

Jun. 28, 2015

Jun. 30, 2016

Jun. 28, 2015

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Net Pension Income or Postretirement Expense

Net post-retirement expense for our post-retirement plan includes the following components:

	Three Months Ended						Six Months Ended
	June 30,			June 28,			June 30,			June 28,
	2016			2015			2016			2015
Other post-retirement benefit plan
Service cost	$	1		$	1		$	2		$	2
Interest cost	52			51			104			102
Amortization of gain	(37		)	(25		)	(75		)	(50		)
Post-retirement expense	$	16		$	27		$	31		$	54

Net pension income for our domestic and foreign plans was as follows:

	Three Months Ended						Six Months Ended
	June 30,			June 28,			June 30,			June 28,
	2016			2015			2016			2015
Net pension income	$	(402	)	$	(530	)	$	(794	)	$	(1,059	)

The components of net pension (income) expense for our domestic and foreign plans include the following: 

	DomesticPension Plans						Foreign Pension Plans
	Three Months Ended						Three Months Ended
	June 30,			June 28,			June 30,		June 28,
	2016			2015			2016		2015
Service cost	$	22		$	42		$	13	$	16
Interest cost	2,756			2,815			11		124
Expected return on plan assets (1)	(4,744		)	(5,068		)	7		(134		)
Amortization of loss	1,498			1,585			35		90
(Income) expense, net	$	(468	)	$	(626	)	$	66	$	96

(1) Expected return on plan assets is net of expected investment expenses and certain administrative expenses.

	DomesticPension Plans						Foreign Pension Plans
	Six Months Ended						Six Months Ended
	June 30, 2016			June 28, 2015			June 30, 2016		June 28, 2015
Service cost	$	44		$	86		$	25	$	33
Interest cost	5,512			5,629			22		247
Expected return on plan assets (1)	(9,488		)	(10,136		)	14		(267		)
Amortization of loss	2,996			3,169			69		180
Other cost due to retirement	12			—			—		—
(Income) expense, net	$	(924	)	$	(1,252	)	$	130	$	193

(1) Expected return on plan assets is net of expected investment expenses and certain administrative expenses.

United States Pension Plan of US Entity [Member]

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Service cost

$ 22

$ 42

$ 44

$ 86

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Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of other intangible assets

Intangible assets consist of the following components:

	As of
	June 30, 2016
	Gross Carrying Amount		Accumulated Amortization			Net Amount
Amortized intangible assets:
Customer lists/relationships	$	63,386	$	(28,643	)	$	34,743
Patents	10,319		(10,319		)	—
Technology and other intangibles	36,715		(6,091		)	30,624
In process research and development	2,200		—			2,200
Other intangible assets, net	$	112,620	$	(45,053	)	$	67,567
Amortization expense for the three months ended June 30, 2016			$	1,522
Amortization expense for the six months ended June 30, 2016			$	2,617

	As of
	December 31, 2015
	Gross Carrying Amount		Accumulated Amortization			Net Amount
Amortized intangible assets:
Customer lists/relationships	$	51,804	$	(27,101	)	$	24,703
Patents	10,319		(10,319		)	—
Technology and other intangibles	12,871		(5,016		)	7,855
In process research and development	2,200		—			2,200
Other intangible assets, net	$	77,194	$	(42,436	)	$	34,758
Amortization expense for the three months ended June 28, 2015			$	984
Amortization expense for the six months ended June 28, 2015			$	1,957

Summary of amortization expense remaining for other intangible assets

Amortization expense remaining for other intangible assets is as follows: 

	Amortization expense
2016	$	2,933
2017	5,693
2018	5,573
2019	5,564
2020	5,564
Thereafter	42,240
Total amortization expense	$	67,567

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Costs Associated with Exit and Restructuring Activities (Tables)

6 Months Ended

Jun. 30, 2016

Restructuring Reserve Activity

The following table displays the restructuring liability activity for all plans for the period ended June 30, 2016: 

Combined Plans
Restructuring liability at January 1, 2016	$	826
Restructuring and restructuring-related charges, excluding asset impairments and write-offs	206
Cost paid	(265		)
Other activity (1)	$	40
Restructuring liability at June 30, 2016	$	807

(1) Other activity includes asset impairments, write-offs of property, plant and equipment, the effects of currency translation and other charges that do not flow through restructuring expense.

June 2013 Plan, April 2014 Plan and June 2016 Plan

Restructuring and Restructuring Related Charges of Actual Costs

Total restructuring, impairment and restructuring related charges were as follows:

	Three Months Ended
	June 30, 2016		June 28, 2015
Restructuring-related charges	$	—	$	217
Restructuring and impairment charges	206		2,118
Total restructuring, impairment, and restructuring-related charges	$	206	$	2,335

	Six Months Ended
	June 30, 2016		June 28, 2015
Restructuring-related charges	$	—	$	292
Restructuring and impairment charges	206		2,856
Total restructuring, impairment, and restructuring-related charges	$	206	$	3,148

June 2016 Plan

Restructuring and Restructuring Related Charges of Actual Costs

Total restructuring and impairment charges under the June 2016 Plan were as follows:

	Three Months Ended
	June 30, 2016	June 28, 2015
Restructuring and impairment charges	206	—

	Six Months Ended
	June 30, 2016	June 28, 2015
Restructuring and impairment charges	206	—

April 2014 Plan

Restructuring and Restructuring Related Charges of Actual Costs

Total restructuring, impairment and restructuring related charges under the April 2014 Plan were as follows: 

	Three Months Ended
	June 30, 2016		June 28, 2015
Restructuring-related charges	$	—	$	217
Restructuring and impairment charges	—		1,516
Total restructuring, impairment, and restructuring related charges	$	—	$	1,733

	Six Months Ended
	June 30, 2016		June 28, 2015
Restructuring-related charges	$	—	$	217
Restructuring and impairment charges	—		1,877
Total restructuring, impairment, and restructuring-related charges	$	—	$	2,094

Schedule of Planned and Actual Costs Incurred to Date

The following table displays the planned restructuring and restructuring-related charges associated with the April 2014 Plan, as well as a summary of the actual costs incurred through June 30, 2016:

			Actual costs
	Planned		incurred through
April 2014 Plan	Costs		June 30, 2016
Inventory write-down	$	850	$	—
Equipment relocation	1,800		444
Other charges	1,400		113
Restructuring-related charges, included in cost of goods sold	$	4,050	$	557
Workforce reduction	$	4,200	$	4,423
Asset impairment charge	—		—
Other charges, including pension termination costs	1,700		3,413
Restructuring and impairment charges	$	5,900	$	7,836
Total restructuring, impairment and restructuring related charges	$	9,950	$	8,393

June 2013 Plan

Restructuring and Restructuring Related Charges of Actual Costs

Under the June 2013 Plan, total restructuring, impairment and restructuring related charges incurred were as follows:

	Three Months Ended
	June 30, 2016		June 28, 2015
Restructuring-related charges	$	—	$	—
Restructuring and impairment charges	—		602
Total restructuring, impairment, and restructuring-related charges	$	—	$	602

	Six Months Ended
	June 30, 2016		June 28, 2015
Restructuring-related charges	$	—	$	75
Restructuring and impairment charges	—		979
Total restructuring, impairment, and restructuring-related charges	$	—	$	1,054

Schedule of Planned and Actual Costs Incurred to Date

The following table displays the planned restructuring and restructuring-related charges associated with the June 2013 Plan and a summary of the actual costs incurred through June 30, 2016:

			Actual
	Planned		incurred through
June 2013 Plan	Costs		June 30, 2016
Inventory write-down	$	800	$	1,143
Equipment relocation	900		1,792
Other charges	100		702
Restructuring-related charges, included in cost of goods sold	$	1,800	$	3,637
Workforce reduction	$	10,150	$	9,615
Asset impairment charge	3,000		4,139
Other charges, including pension termination costs	7,650		10,205
Restructuring and impairment charges	$	20,800	$	23,959
Total restructuring and restructuring-related charges	$	22,600	$	27,596

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Accrued Liabilities (Tables)

6 Months Ended

Jun. 30, 2016

Other Liabilities Disclosure [Abstract]

Components of Accrued Liabilities

The components of accrued liabilities are as follows: 

	As of
	June 30,		December 31,
	2016		2015
Accrued product related costs	$	4,873	$	5,245
Accrued income taxes	9,655		8,845
Accrued property and other taxes	1,750		1,838
Accrued outside commissions	1,294		97
Accrued professional fees	1,465		704
Accrued building improvement costs	1,709		1,768
Dividends payable	1,310		1,302
Remediation reserves	19,575		20,603
Other accrued liabilities	5,284		6,772
Total accrued liabilities	$	46,915	$	47,174

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Debt (Tables)

6 Months Ended

Jun. 30, 2016

Debt Disclosure [Abstract]

Summary of Long-Term Debt

Long-term debt was comprised of the following:

	As of
	June 30,			December 31,
	2016			2015
Revolving credit facility due in 2020	$	110,800		$	90,700
Weighted average interest rate	1.9		%	1.5		%
Amount available	$	187,035		$	106,985
Total credit facility	$	300,000		$	200,000
Standby letters of credit	$	2,165		$	2,315
Commitment fee percentage per annum	0.30		%	0.25		%

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Derivative Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2016

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value

The location and fair values of derivative instruments designated as hedging instruments in the Condensed Consolidated Balance Sheets as of June 30, 2016, are shown in the following table:

	As of
	June 30,			December 31,
	2016			2015
Foreign currency hedges reported in Other current assets	$	34		$	—
Interest rate swaps reported in Accrued liabilities	$	(480	)	$	(768	)

Derivative Instruments, Gain (Loss)

The effect of derivative instruments on the Condensed Consolidated Statements of Earnings is as follows:

	Three Months Ended					Six Months Ended
	June 30,			June 28,		June 30,			June 28,
	2016			2015		2016			2015
Foreign Exchange Contracts:
Loss recognized in Net Sales	$	(84	)	$	—	$	(91	)	$	—
Gain recognized in Cost of Goods Sold	88			—		88			—
Gain recognized Selling, General and Administrative expense	6			—		10			—
Loss recognized in Other (expenses) income	—			—		(1		)	—
Interest Rate Swaps:
Interest Expense	$	161		$	192	$	313		$	382
Total	$	171		$	192	$	319		$	382

The table below provides a reconciliation of the recurring financial assets (liabilities) for our derivative instruments:

				Foreign
	Interest			Currency
	Rate Swaps			Hedges
Balance at January 1, 2015	$	(1,020	)	$	—
Realized gains (losses) included in earnings	768			—
Unrealized gains (losses)	(516		)	—
Balance at December 31, 2015	$	(768	)	$	—
Realized gains (losses) included in earnings	472			3
Unrealized gains (losses)	(184		)	31
Balance at June 30, 2016	$	(480	)	$	34

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Accumulated Other Comprehensive (Loss) Income (Tables)

6 Months Ended

Jun. 30, 2016

Equity [Abstract]

Schedule of Accumulated Other Comprehensive (Loss) Income

The components of accumulated other comprehensive (loss) income for the three months ended June 30, 2016, are as follows:

							Gain (Loss)
	As of			Gain (Loss)			reclassified			As of
	March 31,			Recognized			from AOCI			June 30,
	2016			in OCI			to income			2016
Changes in fair market value of hedges:
Gross	$	(295	)	$	(337	)	$	229		$	(403	)
Income tax expense (benefit)	110			127			(86		)	151
Net	(185		)	(210		)	143			(252		)
Changes in unrealized pension cost:
Gross	(160,268		)	—			1,505			(158,763		)
Income tax expense (benefit)	63,818			—			(558		)	63,260
Net	(96,450		)	—			947			(95,503		)
Cumulative translation adjustment:
Gross	(1,685		)	(310		)	—			(1,995		)
Income tax expense (benefit)	108			(7		)	—			101
Net	(1,577		)	(317		)	—			(1,894		)
Total accumulated other comprehensive (loss) income	$	(98,212	)	$	(527	)	$	1,090		$	(97,649	)

The components of accumulated other comprehensive (loss) income for the three months ended June 28, 2015, are as follows:

							Gain (Loss)
	As of			Gain (Loss)			reclassified			As of
	March 29,			Recognized			from AOCI			June 28,
	2015			in OCI			to income			2015
Changes in fair market value of hedges:
Gross	$	(1,157	)	$	(82	)	$	192		$	(1,047	)
Income tax expense (benefit)	435			31			(72		)	394
Net	(722		)	(51		)	120			(653		)
Changes in unrealized pension cost:
Gross	(167,361		)	1,199			—			(166,162		)
Income tax expense (benefit)	64,451			(494		)	—			63,957
Net	(102,910		)	705			—			(102,205		)
Cumulative translation adjustment:
Gross	(491		)	1,064			—			573
Income tax expense (benefit)	(42		)	427			—			385
Net	(533		)	1,491			—			958
Total accumulated other comprehensive (loss) income	$	(104,165	)	$	2,145		$	120		$	(101,900	)

The components of accumulated other comprehensive (loss) income for the six months ended June 30, 2016, are as follows:

							Gain (Loss)
	As of			Gain (Loss)			reclassified			As of
	December 31,			Recognized			from AOCI			June 30,
	2015			in OCI			to income			2016
Changes in fair market value of hedges:
Gross	$	(768	)	$	(95	)	$	460		$	(403	)
Income tax expense (benefit)	289			36			(174		)	151
Net	(479		)	(59		)	286			(252		)
Changes in unrealized pension cost:
Gross	(161,719		)	—			2,956			(158,763		)
Income tax expense (benefit)	64,361			—			(1,101		)	63,260
Net	(97,358		)	—			1,855			(95,503		)
Cumulative translation adjustment:
Gross	(1,279		)	(716		)	—			(1,995		)
Income tax expense (benefit)	111			(10		)	—			101
Net	(1,168		)	(726		)	—			(1,894		)
Total accumulated other comprehensive (loss) income	$	(99,005	)	$	(785	)	$	2,141		$	(97,649	)

The components of accumulated other comprehensive (loss) income for the six months ended June 28, 2015, are as follows:

							Gain (Loss)
	As of			Gain (Loss)			reclassified			As of
	December 31,			Recognized			from AOCI			June 28,
	2014			in OCI			to income			2015
Changes in fair market value of hedges:
Gross	$	(1,020	)	$	(409	)	$	382		$	(1,047	)
Income tax expense (benefit)	384			154			(144		)	394
Net	(636		)	(255		)	238			(653		)
Changes in unrealized pension cost:
Gross	(169,291		)	3,129			—			(166,162		)
Income tax expense (benefit)	65,124			(1,167		)	—			63,957
Net	(104,167		)	1,962			—			(102,205		)
Cumulative translation adjustment:
Gross	245			328			—			573
Income tax expense (benefit)	325			60			—			385
Net	$	570		$	388		$	—		$	958
Total accumulated other comprehensive (loss) income	$	(104,233	)	$	2,095		$	238		$	(101,900	)

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Shareholders' Equity (Tables)

6 Months Ended

Jun. 30, 2016

Stockholders' Equity Note [Abstract]

Summary of Share Count and Par Value Data Related to Shareholders' Equity

Share count and par value data related to shareholders’ equity are as follows:

	As of
	June 30,	December 31,
	2016	2015
Preferred Stock
Par value per share	No par value	No par value
Shares authorized	25,000,000	25,000,000
Shares outstanding	—	—
Common Stock
Par value per share	No par value	No par value
Shares authorized	75,000,000	75,000,000
Shares issued	56,452,983	56,242,499
Shares outstanding	32,758,961	32,548,477
Treasury stock
Shares held	23,694,022	23,694,022

Summary of Common Shares Outstanding

A roll-forward of common shares outstanding is as follows:

	Six Months Ended
	June 30,	June 28,
	2016	2015
Balance at the beginning of the year	32,548,477	33,392,060
Repurchases	—	(626,882	)
Shares issued upon exercise of stock options	—	5,200
Restricted share issuances	210,484	133,353
Balance at the end of the period	32,758,961	32,903,731

Certain potentially dilutive restricted stock units are excluded from diluted earning per share because they are anti-dilutive. The number of awards that were anti-dilutive at June 30, 2016 and June 28, 2015 were 11,600 and 0, respectively.

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Equity-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2016

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

Summary of Equity-Based Compensation Expense

The following table summarizes the compensation expense included in selling, general and administrative expenses in the Condensed Consolidated Statements of Earnings related to equity-based compensation plans:

	Three Months Ended				Six Months Ended
	June 30,		June 28,		June 30,			June 28,
	2016		2015		2016			2015
Service-Based RSUs	$	436	$	400	$	948		$	949
Performance-Based RSUs	130		251		(25		)	771
Market-Based RSUs	119		191		44			642
Total	$	685	$	842	$	967		$	2,362
Income tax benefit	$	257	$	317	$	363		$	888

Schedule of Unrecognized Equity-Based Compensation Expense

The following table summarizes the unrecognized compensation expense related to non-vested RSUs by type and the weighted-average period in which the expense is to be recognized:

	Unrecognized
	compensation		Weighted-
	expense at		average
	June 30, 2016		period
Service-Based RSUs	$	2,084	1.4 years
Performance-Based RSUs	698		1.5 years
Market-Based RSUs	638		1.4 years
Total	$	3,420	1.4 years

Summary of Status of Equity-Based Compensation Plans

The following table summarizes the maximum number of awards available to be granted under these plans as of June 30, 2016:

	2014 Plan	2009 Plan	2004 Plan	Directors' Plan
Awards originally available	1,500,000	3,400,000	6,500,000	N/A
Stock options outstanding	—	—	—	—
Options exercisable	—	—	—	—
Performance-based options outstanding	325,000	—	—	—
Service-based RSUs outstanding	257,371	170,442	78,947	25,985
Performance and market-based RSUs outstanding at 200% of target	351,300	86,120	—	—
RSUs vested and released	48,339	—	—	—
Awards available for grant	517,990	256,562	78,947	25,985

Summary of Service-Based Restricted Stock Units

A summary of the status of RSUs granted under the 2004, 2009, and 2014 plans is presented below: 

	Six Months Ended
	June 30, 2016
	Units		Weighted Average Grant Date Fair Value
Outstanding at January 1, 2016	471,196		$	13.27
Granted	164,922		13.97
Vested and released	(97,298	)	14.39
Forfeited	(32,060	)	17.05
Outstanding at June 30, 2016	506,760		$	13.13
Releasable at June 30, 2016	277,749		$	11.33

A summary of the status of RSUs granted under the Director's Plan is presented below:

	Six Months Ended
	June 30, 2016
	Units		Weighted Average Grant Date Fair Value
Outstanding at January 1, 2016	33,974		$	11.75
Granted	—		—
Vested and released	(7,989	)	11.75
Forfeited	—		—
Outstanding at June 30, 2016	25,985		$	11.75
Releasable at June 30, 2016	25,985		$	11.75

Schedule of Components of Market-Based RSU's

The following table summarizes the performance and market-based RSU activity as of and for the six months ended June 30, 2016:

	Units		Weighted Average Grant Date Fair Value
Outstanding at January 1, 2016, at target	249,560		14.59
Granted, at target	108,650		13.56
Attained by performance	97,017		10.48
Vested and released	(234,517	)	10.52
Forfeited, at target	(9,000	)	17.14
Outstanding at June 30, 2016, at target	211,710		16.58
Maximum potential units outstanding at June 30, 2016	437,420		16.63

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Fair Value Measurement (Tables)

6 Months Ended

Jun. 30, 2016

Fair Value Disclosures [Abstract]

Summary of Financial Liability Measured at Fair Value on a Recurring Basis

The table below summarizes CTS’ financial assets (liabilities) that were measured at fair value at June 30, 2016:

				Quoted
				Prices
				in Active		Significant
	Carrying			Markets for		Other			Significant
	Value at			Identical		Observable			Unobservable
	June 30,			Instruments		Inputs			Inputs
	2016			(Level 1)		(Level 2)			(Level 3)
Interest rate swaps	$	(480	)	$	—	$	(480	)	$	—
Foreign currency hedges	$	34		$	—	$	34		$	—

The table below summarizes the financial liability that was measured at fair value on a recurring basis as of December 31, 2015:

				Quoted
				Prices
				in Active		Significant
	Carrying			Markets for		Other			Significant
	Value at			Identical		Observable			Unobservable
	December 31,			Instruments		Inputs			Inputs
	2015			(Level 1)		(Level 2)			(Level 3)
Interest rate swaps	$	(768	)	$	—	$	(768	)	$	—

Reconciliation of Recurring Financial Liability Related to Interest Rate Swaps

The effect of derivative instruments on the Condensed Consolidated Statements of Earnings is as follows:

	Three Months Ended					Six Months Ended
	June 30,			June 28,		June 30,			June 28,
	2016			2015		2016			2015
Foreign Exchange Contracts:
Loss recognized in Net Sales	$	(84	)	$	—	$	(91	)	$	—
Gain recognized in Cost of Goods Sold	88			—		88			—
Gain recognized Selling, General and Administrative expense	6			—		10			—
Loss recognized in Other (expenses) income	—			—		(1		)	—
Interest Rate Swaps:
Interest Expense	$	161		$	192	$	313		$	382
Total	$	171		$	192	$	319		$	382

The table below provides a reconciliation of the recurring financial assets (liabilities) for our derivative instruments:

				Foreign
	Interest			Currency
	Rate Swaps			Hedges
Balance at January 1, 2015	$	(1,020	)	$	—
Realized gains (losses) included in earnings	768			—
Unrealized gains (losses)	(516		)	—
Balance at December 31, 2015	$	(768	)	$	—
Realized gains (losses) included in earnings	472			3
Unrealized gains (losses)	(184		)	31
Balance at June 30, 2016	$	(480	)	$	34

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Income Taxes (Tables)

6 Months Ended

Jun. 30, 2016

Income Tax Disclosure [Abstract]

Reconciliation of Effective Income Taxes Rate

The effective tax rates for the first quarter 2016 and 2015 are as follows:

	Three Months Ended				Six Months Ended
	June 30,		June 28,		June 30,		June 28,
	2016		2015		2016		2015
Effective tax rate	34.7	%	(75.7	)%	34.5	%	(27.7	)%

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Business Combinations (Tables)

6 Months Ended

Jun. 30, 2016

Business Combinations [Abstract]

Schedule of Business Acquisitions, by Acquisition

The following table summarizes the fair values of the assets acquired and the liabilities assumed at the date of acquisition:

	Fair Values at March 11, 2016
Current assets	$	4,215
Property, plant and equipment	6,173
Other assets	37
Goodwill	27,879
Intangible assets	35,427
Fair value of assets acquired	73,731
Less fair value of liabilities acquired	(668		)
Net cash paid	$	73,063

The amount of net sales and net loss from CTG-AM since the acquisition date that have been included in the Condensed Consolidated Statement of Earnings are as follows:

	For the period March 11, 2016 through June 30, 2016
Net sales	$	3,876
Net loss	$	111

Business Acquisition, Pro Forma Information

	Three Months Ended				Six Months Ended
	June 30,		June 28,		June 30,		June 28,
	2016		2015		2016		2015
Net sales	$	98,693	$	103,689	$	197,710	$	205,290
Net earnings	$	14,487	$	19,640	$	22,249	$	26,298
Earnings per share:
Basic	$	0.44	$	0.59	$	0.68	$	0.79
Diluted	$	0.44	$	0.59	$	0.67	$	0.78

Schedule of Finite-Lived Intangible Assets Acquired

The following table summarizes the carrying amounts and weighted average lives of the acquired intangible assets:

Intangible Asset Type	Fair Value		Weighted Average Amortization Period (in years)
Developed Technology	$	23,730	15.0
Customer Relationships and Contracts	11,502		14.6
Other	195		0.8
Total	$	35,427

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Basis of Presentation (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Consolidated Balance Sheet Line Item
Other current assets	$ 12,457	$ 9,863
Deferred income taxes	54,212	63,809
Accrued liabilities	(46,915)	(47,174)
Post retirement obligations	(7,105)	(7,230)
Other long-term obligations	$ (2,200)	(9,169)
As previously reported
Consolidated Balance Sheet Line Item
Other current assets		15,888
Deferred income taxes		58,544
Accrued liabilities		(53,905)
Post retirement obligations		(2,703)
Other long-term obligations		(7,725)
Reclassification adjustment
Consolidated Balance Sheet Line Item
Other current assets		(6,025)
Deferred income taxes		5,265
Accrued liabilities		6,731
Post retirement obligations		(4,527)
Other long-term obligations		$ (1,444)

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Accounts Receivable - Components of Accounts Receivable (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Accounts Receivable
Accounts receivable, gross	$ 62,297	$ 54,696
Less: Allowance for doubtful accounts	(172)	(133)
Accounts receivable, net	$ 62,125	$ 54,563

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Inventories - Summary of Inventories (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Inventories
Finished goods	$ 5,881	$ 6,972
Work-in-process	8,501	6,828
Raw materials	17,856	16,991
Less: Inventory reserves	(6,260)	(6,191)
Inventories, net	$ 25,978	$ 24,600

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Property, Plant and Equipment - Summary of Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Property, plant and equipment
Less: Accumulated depreciation	$ (192,047)	$ (189,472)
Property, plant and equipment, net	76,973	69,872
Land
Property, plant and equipment
Property, plant and equipment gross	2,330	2,401
Buildings and improvements
Property, plant and equipment
Property, plant and equipment gross	63,053	65,731
Machinery and equipment
Property, plant and equipment
Property, plant and equipment gross	$ 203,637	$ 191,212

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Retirement Plans - Net Pension Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 28, 2015	Jun. 30, 2016	Jun. 28, 2015
Pension Plans
Defined Benefit Plan Disclosure
Net pension income	$ (402)	$ (530)	$ (794)	$ (1,059)

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Retirement Plans - Net Pension Income Domestic and Foreign (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 28, 2015	Jun. 30, 2016	Jun. 28, 2015
Pension Plans
Net pension expense (income)
(Income) expense, net	$ (402)	$ (530)	$ (794)	$ (1,059)
United States Pension Plan of US Entity [Member]
Net pension expense (income)
Service cost	22	42	44	86
Interest cost	2,756	2,815	5,512	5,629
Expected return on plan assets	(4,744)	(5,068)	(9,488)	(10,136)
Amortization of loss	1,498	1,585	2,996	3,169
Other cost due to retirement			12	0
(Income) expense, net	(468)	(626)	(924)	(1,252)
Foreign Pension Plans
Net pension expense (income)
Service cost	13	16	25	33
Interest cost	11	124	22	247
Expected return on plan assets	7	(134)	14	(267)
Amortization of loss	35	90	69	180
Other cost due to retirement			0	0
(Income) expense, net	$ 66	$ 96	$ 130	$ 193

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Retirement Plans - Other Postretirement Benefit Plan (Details) - Other post-retirement benefit plan - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 28, 2015	Jun. 30, 2016	Jun. 28, 2015
Defined Benefit Plan Disclosure
Service cost	$ 1	$ 1	$ 2	$ 2
Interest cost	52	51	104	102
Amortization of gain	(37)	(25)	(75)	(50)
(Income) expense, net	$ 16	$ 27	$ 31	$ 54

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Other Intangible Assets - Summary of Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 28, 2015	Jun. 30, 2016	Jun. 28, 2015	Dec. 31, 2015
Other Intangible Assets
Gross Carrying Amount	$ 112,620		$ 112,620		$ 77,194
Accumulated Amortization	(45,053)		(45,053)		(42,436)
Total amortization expense	67,567		67,567		34,758
Amortization expense	1,522	$ 984	2,617	$ 1,957
Customer lists/relationships
Other Intangible Assets
Gross Carrying Amount	63,386		63,386		51,804
Accumulated Amortization	(28,643)		(28,643)		(27,101)
Total amortization expense	34,743		34,743		24,703
Patents
Other Intangible Assets
Gross Carrying Amount	10,319		10,319		10,319
Accumulated Amortization	(10,319)		(10,319)		(10,319)
Total amortization expense	0		0		0
Technology and other intangibles
Other Intangible Assets
Gross Carrying Amount	36,715		36,715		12,871
Accumulated Amortization	(6,091)		(6,091)		(5,016)
Total amortization expense	30,624		30,624		7,855
In process research and development
Other Intangible Assets
Gross Carrying Amount					2,200
Total amortization expense	2,200		2,200		$ 2,200
Indefinite-Lived Intangible Assets (Excluding Goodwill)	$ 2,200		$ 2,200

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Other Intangible Assets - Summary of Amortization Expense (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule
2016	$ 2,933
2017	5,693
2018	5,573
2019	5,564
2020	5,564
Thereafter	42,240
Total amortization expense	$ 67,567	$ 34,758

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Costs Associated with Exit and Restructuring Activities - Summary (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 28, 2015	Jun. 30, 2016	Jun. 28, 2015
June 2013 Plan, April 2014 Plan and June 2016 Plan
Total restructuring, impairment and restructuring related charges
Restructuring and impairment charges			$ 206
June 2013 Plan, April 2014 Plan and June 2016
Total restructuring, impairment and restructuring related charges
Restructuring and impairment charges	$ 206	$ 2,335		$ 3,148
Cost of Goods | June 2013 Plan, April 2014 Plan and June 2016 Plan
Total restructuring, impairment and restructuring related charges
Restructuring and impairment charges	0		0
Cost of Goods | June 2013 Plan, April 2014 Plan and June 2016
Total restructuring, impairment and restructuring related charges
Restructuring and impairment charges		217		292
Operating Earnings | June 2013 Plan, April 2014 Plan and June 2016 Plan
Total restructuring, impairment and restructuring related charges
Restructuring and impairment charges	$ 206		$ 206
Operating Earnings | June 2013 Plan, April 2014 Plan and June 2016
Total restructuring, impairment and restructuring related charges
Restructuring and impairment charges		$ 2,118		$ 2,856

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Costs Associated with Exit and Restructuring Activities Costs Associated with Exit and Restructuring Activities - June 2016 Plan (Details) - June 2016 Plan - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 28, 2015	Jun. 30, 2016	Jun. 28, 2015
Total restructuring, impairment and restructuring related charges
Restructuring Reserve	$ 196		$ 196
Operating Earnings
Total restructuring, impairment and restructuring related charges
Restructuring and impairment charges	206,000	$ 0	206,000	$ 0
Minimum
Restructuring Cost and Reserve [Line Items]
Planned Costs	16,000		16,000
Maximum
Restructuring Cost and Reserve [Line Items]
Planned Costs	$ 18,000		$ 18,000

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Costs Associated with Exit and Restructuring Activities - April 2014 Plan (Details)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2016 USD ($)	Jun. 28, 2015 USD ($)	Jun. 30, 2016 USD ($)	Jun. 28, 2015 USD ($)	Dec. 31, 2015 employee
April 2014 Plan
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 611		$ 611
Restructuring charges
Planned Costs	9,950,000		9,950,000
Actual costs incurred	8,393,000		8,393,000
Elimination of workforce | employee					120
Total restructuring, impairment and restructuring related charges
Restructuring and impairment charges	0	$ 1,733,000	0	$ 2,094,000
April 2014 Plan | Cost of Goods
Restructuring charges
Planned Costs	4,050,000		4,050,000
Actual costs incurred	557,000		557,000
Total restructuring, impairment and restructuring related charges
Restructuring related charges	0	217,000	0	217,000
April 2014 Plan | Operating Earnings
Restructuring charges
Planned Costs	5,900,000		5,900,000
Actual costs incurred	7,836,000		7,836,000
Total restructuring, impairment and restructuring related charges
Restructuring and impairment charges	0	1,516,000	0	1,877,000
April 2014 Plan | Inventory write-down | Cost of Goods
Restructuring charges
Planned Costs	850,000		850,000
Actual costs incurred	0		0
April 2014 Plan | Equipment relocation | Cost of Goods
Restructuring charges
Planned Costs	1,800,000		1,800,000
Actual costs incurred	444,000		444,000
April 2014 Plan | Other charges | Cost of Goods
Restructuring charges
Planned Costs	1,400,000		1,400,000
Actual costs incurred	113,000		113,000
April 2014 Plan | Workforce reduction | Operating Earnings
Restructuring charges
Planned Costs	4,200,000		4,200,000
Actual costs incurred	4,423,000		4,423,000
April 2014 Plan | Asset impairment charge | Operating Earnings
Restructuring charges
Planned Costs	0		0
Actual costs incurred	0		0
April 2014 Plan | Other charges, including pension termination costs | Operating Earnings
Restructuring charges
Planned Costs	1,700,000		1,700,000
Actual costs incurred	$ 3,413,000		$ 3,413,000
April 2014 Plan Amendment
Restructuring charges
Planned Costs		4,250,000		4,250,000
April 2014 Plan Amendment | Equipment relocation
Restructuring charges
Planned Costs		2,950,000		2,950,000
April 2014 Plan Amendment | General and administrative expense
Restructuring charges
Planned Costs		$ 1,300,000		$ 1,300,000

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Costs Associated with Exit and Restructuring Activities - June 2013 Plan (Details) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2016 USD ($)	Jun. 28, 2015 USD ($)	Jun. 30, 2016 USD ($)	Jun. 28, 2015 USD ($)	Dec. 31, 2015 employee	Dec. 31, 2014 USD ($) employee
June 2013 Plan
Restructuring charges
Elimination of workforce | employee					350
Planned Costs	$ 22,600		$ 22,600
Actual costs incurred	27,596		27,596
Total restructuring, impairment and restructuring related charges
Restructuring and impairment charges	0	$ 602	0	$ 1,054
June 2013 Plan | Cost of Goods
Restructuring charges
Planned Costs	1,800		1,800
Actual costs incurred	3,637		3,637
Total restructuring, impairment and restructuring related charges
Restructuring related charges	0	0	0	75
June 2013 Plan | Operating Earnings
Restructuring charges
Planned Costs	20,800		20,800
Actual costs incurred	23,959		23,959
Total restructuring, impairment and restructuring related charges
Restructuring and impairment charges	0	$ 602	0	$ 979
June 2013 Plan | Inventory write-down | Cost of Goods
Restructuring charges
Planned Costs	800		800
Actual costs incurred	1,143		1,143
June 2013 Plan | Equipment relocation | Cost of Goods
Restructuring charges
Planned Costs	900		900
Actual costs incurred	1,792		1,792
June 2013 Plan | Other charges | Cost of Goods
Restructuring charges
Planned Costs	100		100
Actual costs incurred	702		702
June 2013 Plan | Workforce reduction | Operating Earnings
Restructuring charges
Planned Costs	10,150		10,150
Actual costs incurred	9,615		9,615
June 2013 Plan | Asset impairment charge | Operating Earnings
Restructuring charges
Planned Costs	3,000		3,000
Actual costs incurred	4,139		4,139
June 2013 Plan | Other charges, including pension termination costs | Operating Earnings
Restructuring charges
Planned Costs	7,650		7,650
Actual costs incurred	$ 10,205		$ 10,205
Amended June 2013 Plan
Restructuring charges
Planned Costs						$ 4,000
Amended June 2013 Plan | Workforce reduction
Restructuring charges
Elimination of workforce | employee						130
Foreign Pension Plans | Amended June 2013 Plan | UNITED KINGDOM
Restructuring charges
Planned Costs						$ 2,000
Foreign Pension Plans | Amended June 2013 Plan | Asset impairment charge
Restructuring charges
Planned Costs						$ 2,000

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Costs Associated with Exit and Restructuring Activities - Restructuring Reserve Activity (Details) - June 2013 Plan, April 2014 Plan and June 2016 Plan $ in Thousands	6 Months Ended
	Jun. 30, 2016 USD ($)
Restructuring reserve activity
Restructuring liability at beginning	$ 826
Restructuring and restructuring-related charges	206
Cost paid	(265)
Restructuring liability at ending	807
Restructuring Reserve, Translation and Other Adjustment	$ 40

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Accrued Liabilities - Components of Accrued Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Accrued Liabilities
Accrued product related costs	$ 4,873	$ 5,245
Accrued income taxes	9,655	8,845
Accrued property and other taxes	1,750	1,838
Accrued outside commissions	1,294	97
Accrued professional fees	1,465	704
Accrued building improvement costs	1,709	1,768
Dividends payable	1,310	1,302
Remediation reserves	19,575	20,603
Other accrued liabilities	5,284	6,772
Total accrued liabilities	$ 46,915	$ 47,174

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Debt - Long-Term Debt (Details) - USD ($)	6 Months Ended	12 Months Ended
	Jun. 30, 2016	Dec. 31, 2015	May 23, 2016	May 22, 2016	Aug. 10, 2015
Long-term debt
Revolving credit facility	$ 110,800,000	$ 90,700,000
Line of Credit | Revolving Credit Facility Due 2020
Long-term debt
Revolving credit facility	$ 110,800,000	$ 90,700,000
Weighted-average interest rate	1.90%	1.50%
Amount available	$ 187,035,000	$ 106,985,000
Total credit facility	300,000,000	200,000,000	$ 300,000	$ 200,000	$ 200,000,000
Standby letters of credit	$ 2,165,000	$ 2,315,000
Commitment fee percentage per annum	0.30%	0.25%

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Debt - Narratives (Details) - USD ($)		3 Months Ended		6 Months Ended		12 Months Ended
	Aug. 10, 2015	Jun. 30, 2016	Jun. 28, 2015	Jun. 30, 2016	Jun. 28, 2015	Dec. 31, 2015	May 23, 2016	May 22, 2016
Line of Credit Facility
Debt amortization expense		$ 32,000	$ 50,000	$ 70,000	$ 100,000
Line of Credit | Revolving Credit Facility Due 2020
Line of Credit Facility
Debt instrument, term	5 years
Line of credit maximum borrowing amount	$ 200,000,000	$ 300,000,000		$ 300,000,000		$ 200,000,000	$ 300,000	$ 200,000
Line of credit facility contingent increase to maximum borrowing capacity							$ 100,000,000
Commitment fee percentage per annum				0.30%		0.25%
Line of Credit | Revolving Credit Facility Due 2020 Swingline Sublimit
Line of Credit Facility
Line of credit maximum borrowing amount	15,000,000
Line of Credit | Revolving Credit Facility Due 2020 Letter Of Credit Sublimit
Line of Credit Facility
Line of credit maximum borrowing amount	$ 10,000,000
Minimum | Line of Credit | Revolving Credit Facility Due 2020
Line of Credit Facility
Commitment fee percentage per annum	0.20%
Maximum | Line of Credit | Revolving Credit Facility Due 2020
Line of Credit Facility
Commitment fee percentage per annum	0.40%

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Derivative Financial Instruments - Narratives (Details)	Jun. 30, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Sep. 30, 2012 USD ($) instrument	Jun. 24, 2012 USD ($) instrument
Foreign exchange derivative
Derivative
Derivative Asset	$ 107
Derivative Liability	73
Cash Flow Hedge | Designated As Hedging | Foreign currency forward contracts
Derivative
Foreign currency cash flow hedge gain to be reclassified during next 12 months	0
Derivative, notional amount	10,800,000
Derivative Asset	34,000	$ 0
Cash Flow Hedge | Designated As Hedging | Interest rate swap
Derivative
Derivative, notional amount				$ 25,000,000	$ 50,000,000
Number of derivative instruments held | instrument				4	4
Interest rate cash flow hedge gain (loss) to be reclassified during next 12 months	480,000
Derivative Liability	$ 480,000	$ 768,000	$ 1,020,000

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Derivative Financial Instruments - Fair Value of Derivative Instruments (Details) - Cash Flow Hedge - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Other current assets
Derivative Asset
Derivative Asset	$ 34	$ 0
Other Current Liabilities [Member]
Derivative Liability
Derivative Liability	$ (480)	$ (768)

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Derivative Financial Instruments - Income Statement (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 28, 2015	Jun. 30, 2016	Jun. 28, 2015
Derivative, Gain (Loss) on Derivative, Net
Derivative, Gain (Loss) on Derivative, Net	$ 171	$ 192	$ 319	$ 382
Foreign exchange derivative | Net sales | Designated As Hedging
Derivative, Gain (Loss) on Derivative, Net
Derivative, Gain (Loss) on Derivative, Net	(84)	0	(91)	0
Foreign exchange derivative | Cost of goods sold | Designated As Hedging
Derivative, Gain (Loss) on Derivative, Net
Derivative, Gain (Loss) on Derivative, Net	88	0	88	0
Foreign exchange derivative | Selling, general and administrative expenses | Designated As Hedging
Derivative, Gain (Loss) on Derivative, Net
Derivative, Gain (Loss) on Derivative, Net	6	0	10	0
Foreign exchange derivative | Other income and expenses | Designated As Hedging
Derivative, Gain (Loss) on Derivative, Net
Derivative, Gain (Loss) on Derivative, Net	0	0	(1)	0
Interest rate swap | Interest expense | Designated As Hedging
Derivative, Gain (Loss) on Derivative, Net
Derivative, Gain (Loss) on Derivative, Net	$ 161	$ 192	$ 313	$ 382

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Accumulated Other Comprehensive (Loss) Income - Summary of Components of Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 28, 2015	Jun. 30, 2016	Jun. 28, 2015
Foreign currency transaction loss
Foreign currency transaction gain (loss)	$ (1,260)	$ 125	$ (1,491)	$ (1,563)
AOCI Attributable to Parent, Net of Tax
Total accumulated other comprehensive (loss) income, beginning of period			(99,005)
Total accumulated other comprehensive (loss) income, end of period	(97,649)		(97,649)
Accumulated other comprehensive (loss) income
AOCI Attributable to Parent, Net of Tax
Total accumulated other comprehensive (loss) income, beginning of period	(98,212)	(104,165)	(99,005)	(104,233)
Gain (Loss) recognized in OCI, Net	(527)	2,145	(785)	2,095
Gain (Loss) reclassified from AOCI to income, Net	1,090	120	2,141	238
Total accumulated other comprehensive (loss) income, end of period	(97,649)	(101,900)	(97,649)	(101,900)
Changes in fair market value of hedges
Changes in AOCI, Gross
Gross, beginning of the period	(295)	(1,157)	(768)	(1,020)
Other Comprehensive Income (Loss), before Reclassifications, before Tax	(337)	(82)	(95)	(409)
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	229	192	460	382
Gross, ending balance	(403)	(1,047)	(403)	(1,047)
Changes in AOCI, Income tax (benefit)
Income tax (benefit), beginning of period	110	435	289	384
Income tax (benefit), Gain (Loss) recognized in OCI	127	31	36	154
Income tax (benefit), Gain (Loss) reclassified from AOCI to income	(86)	(72)	(174)	(144)
Income tax (benefit), ending of period	151	394	151	394
AOCI Attributable to Parent, Net of Tax
Total accumulated other comprehensive (loss) income, beginning of period	(185)	(722)	(479)	(636)
Gain (Loss) recognized in OCI, Net	(210)	(51)	(59)	(255)
Gain (Loss) reclassified from AOCI to income, Net	143	120	286	238
Total accumulated other comprehensive (loss) income, end of period	(252)	(653)	(252)	(653)
Changes in unrealized pension cost
Changes in AOCI, Gross
Gross, beginning of the period	(160,268)	(167,361)	(161,719)	(169,291)
Other Comprehensive Income (Loss), before Reclassifications, before Tax	0	1,199	0	3,129
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	1,505	0	2,956	0
Gross, ending balance	(158,763)	(166,162)	(158,763)	(166,162)
Changes in AOCI, Income tax (benefit)
Income tax (benefit), beginning of period	63,818	64,451	64,361	65,124
Income tax (benefit), Gain (Loss) recognized in OCI	0	(494)	0	(1,167)
Income tax (benefit), Gain (Loss) reclassified from AOCI to income	(558)	0	(1,101)	0
Income tax (benefit), ending of period	63,260	63,957	63,260	63,957
AOCI Attributable to Parent, Net of Tax
Total accumulated other comprehensive (loss) income, beginning of period	(96,450)	(102,910)	(97,358)	(104,167)
Gain (Loss) recognized in OCI, Net	0	705	0	1,962
Gain (Loss) reclassified from AOCI to income, Net	947	0	1,855	0
Total accumulated other comprehensive (loss) income, end of period	(95,503)	(102,205)	(95,503)	(102,205)
Cumulative translation adjustment
Changes in AOCI, Gross
Gross, beginning of the period	(1,685)	(491)	(1,279)	245
Other Comprehensive Income (Loss), before Reclassifications, before Tax	(310)	1,064	(716)	328
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	0	0	0	0
Gross, ending balance	(1,995)	573	(1,995)	573
Changes in AOCI, Income tax (benefit)
Income tax (benefit), beginning of period	108	(42)	111	325
Income tax (benefit), Gain (Loss) recognized in OCI	(7)	427	(10)	60
Income tax (benefit), Gain (Loss) reclassified from AOCI to income	0	0	0	0
Income tax (benefit), ending of period	101	385	101	385
AOCI Attributable to Parent, Net of Tax
Total accumulated other comprehensive (loss) income, beginning of period	(1,577)	(533)	(1,168)	570
Gain (Loss) recognized in OCI, Net	(317)	1,491	(726)	388
Gain (Loss) reclassified from AOCI to income, Net	0	0	0	0
Total accumulated other comprehensive (loss) income, end of period	$ (1,894)	$ 958	$ (1,894)	$ 958

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Shareholders' Equity - Summary of Share Count and Par Value Data Related to Shareholders' Equity (Details) - $ / shares	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Jun. 28, 2015	Mar. 29, 2015
Preferred Stock
Preferred stock, par value per share
Preferred stock, shares authorized	25,000,000		25,000,000
Preferred stock, shares outstanding	0		0
Common Stock
Common stock, par value per share
Common stock, shares authorized	75,000,000		75,000,000
Common stock, shares issued	56,452,983		56,242,499
Common stock, shares outstanding	32,758,961	32,548,477	32,548,477	32,903,731	33,392,060
Treasury stock
Treasury stock, shares held	23,694,022		23,694,022

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Shareholders' Equity - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 28, 2015	Jun. 30, 2016	Jun. 28, 2015
Stockholders' Equity Note [Abstract]
Common stock repurchased, shares	0	626,882	0	164,852
Common stock repurchased, value				$ 2,893
Shares are available for future issuances	17,554		17,554
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures			0	5,200
Antidilutive securities excluded from computation of earnings per share (shares)			11,600	0

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Shareholders' Equity - Summary of Common Shares Outstanding (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 28, 2015	Jun. 30, 2016	Jun. 28, 2015
Roll forward of common shares outstanding
Balance at the beginning of the year	32,548,477	33,392,060	32,548,477
Repurchases	0	(626,882)	0	(164,852)
Restricted share issuances	210,484	133,353
Balance at the end of the period	32,758,961	32,903,731	32,758,961	32,903,731

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Equity-Based Compensation - Summary of Equity-Based Compensation Expense (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016 USD ($) plan	Jun. 28, 2015 USD ($)	Jun. 30, 2016 USD ($) plan	Jun. 28, 2015 USD ($)
Share-based Compensation
Number of Equity-Based Compensation Plans | plan	4		4
Restricted stock units			$ 967	$ 2,362
Service-Based RSUs
Share-based Compensation
Restricted stock units	$ 436	$ 400	948	949
Performance and market-based RSU's
Share-based Compensation
Restricted stock units	130	251	(25)	771
Market-Based RSUs
Share-based Compensation
Restricted stock units	119	191	44	642
RSUs
Share-based Compensation
Restricted stock units	685	842	967	2,362
Income tax benefit	$ 257	$ 317	$ 363	$ 888

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Equity-Based Compensation - Summary of Equity-Based Compensation Expense related to Non-Vested RSUs (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2016 USD ($)
Service-Based RSUs
Share-based Compensation
Unrecognized compensation cost	$ 2,084
Weighted average period	1 year 4 months 24 days
Performance and market-based RSU's
Share-based Compensation
Unrecognized compensation cost	$ 698
Weighted average period	1 year 6 months
Market-Based RSUs
Share-based Compensation
Unrecognized compensation cost	$ 638
Weighted average period	1 year 4 months 24 days
RSUs
Share-based Compensation
Unrecognized compensation cost	$ 3,420
Weighted average period	1 year 4 months 24 days

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Equity-Based Compensation - Summary of Status of Equity-Based Compensation Plans (Details)	6 Months Ended
	Jun. 30, 2016 shares
2014 Plan
Summary of Status of Equity-Based Compensation Plans
Awards originally available	1,500,000
Awards available for grant	517,990
2009 Plan
Summary of Status of Equity-Based Compensation Plans
Awards originally available	3,400,000
Awards available for grant	256,562
2004 Plan
Summary of Status of Equity-Based Compensation Plans
Awards originally available	6,500,000
Awards available for grant	78,947
Directors' Plan
Summary of Status of Equity-Based Compensation Plans
Awards available for grant	25,985
RSUs | 2014 Plan
Summary of Status of Equity-Based Compensation Plans
Shares outstanding	257,371
Vested and released - shares	48,339
RSUs | 2009 Plan
Summary of Status of Equity-Based Compensation Plans
Shares outstanding	170,442
Vested and released - shares	0
RSUs | 2004 Plan
Summary of Status of Equity-Based Compensation Plans
Shares outstanding	78,947
RSUs | Directors' Plan
Summary of Status of Equity-Based Compensation Plans
Shares outstanding	25,985
Performance-Based Stock Options | 2014 Plan
Summary of Status of Equity-Based Compensation Plans
Shares outstanding	325,000
Performance and market-based RSU's | 2014 Plan
Summary of Status of Equity-Based Compensation Plans
Stock options outstanding	351,300
Performance and market-based RSU's | 2009 Plan
Summary of Status of Equity-Based Compensation Plans
Stock options outstanding	86,120

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Equity-Based Compensation - Stock Options (Details) - Stock Options	6 Months Ended
	Jun. 30, 2016
Share-based Compensation
Stock options exercisable cumulative annual installments period	10 years
Vesting period	4 years
Stock option contractual term	10 years
Minimum
Share-based Compensation
Stock option exercises, commencement period from date of grant	P1Y

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Equity-Based Compensation - Performance-Based Stock Options (Details) - 2014 Plan - Performance-Based Stock Options - USD ($)		3 Months Ended
	May 26, 2015	Jun. 28, 2015
Share-based Compensation
Awards granted (in shares)		325,000
Grant date fair value (in dollars per share)	$ 18.37
Option term (in years)	5 years
Revenue threshold for award	$ 600,000

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Equity-Based Compensation - Summary of Service-Based Restricted Stock Units (Details) - Service-Based RSUs	3 Months Ended	6 Months Ended
	Jun. 30, 2016 $ / shares shares	Jun. 30, 2016 $ / shares shares
Officers, key employees, and non-employee directors
Share-based Compensation
Number of shares issuable, against each unit of RSU		1
Units
Outstanding at beginning of year - shares		471,196
Granted - shares	164,922
Released - shares	(97,298)
Forfeited - shares	(32,060)
Outstanding at end of year - shares	506,760	506,760
Releasable - shares	277,749	277,749
Weighted Average Grant Date Fair Value
Beginning of year - weighted average fair value | $ / shares		$ 13.27
Granted - weighted average fair value | $ / shares	$ 13.97
Converted - weighted average fair value | $ / shares	14.39
Forfeited - weighted average fair value | $ / shares	17.05
End of year - weighted average fair value | $ / shares	13.13	13.13
Releasable - weighted average fair value | $ / shares	$ 11.33	$ 11.33
Certain executives and key employees
Share-based Compensation
Vesting period		3 years
Non-employee directors
Share-based Compensation
Vesting period		1 month

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Equity-Based Compensation - Directors Plan (Details) - Directors' Plan - RSUs - $ / shares	6 Months Ended
	Jun. 30, 2016
Units
Outstanding at beginning of year - shares	33,974
Granted - shares	0
Released - shares	(7,989)
Forfeited - shares	0
Outstanding at end of year - shares	25,985
Releasable - shares	25,985
Weighted Average Grant Date Fair Value
Beginning of year - weighted average fair value	$ 11.75
Granted - weighted average fair value	0.00
Converted - weighted average fair value	11.75
Forfeited - weighted average fair value	0.00
End of year - weighted average fair value	11.75
Releasable - weighted average fair value	$ 11.75

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Equity-Based Compensation - Schedule of Performance-Based RSUs (Details) - Certain executives - Performance-Based RSUs	6 Months Ended
	Jun. 30, 2016
Minimum
Share-based Compensation
Vesting percent	0.00%
Maximum
Share-based Compensation
Vesting percent	200.00%

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Equity-Based Compensation - Schedule of Market-Based RSUs (Details) - Market-Based RSUs	6 Months Ended
	Jun. 30, 2016
Market-Based RSUs
Vesting period	3 years
Minimum
Market-Based RSUs
Vesting percent	0.00%
Maximum
Market-Based RSUs
Vesting percent	200.00%

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Equity-Based Compensation Equity-Based Compensation - Performance and Market Based RSUs (Details) - Performance and Market-based Restricted Stock Units - $ / shares	6 Months Ended
	Jun. 30, 2016
Units
Outstanding at beginning of year - shares	249,560
Granted - shares	108,650
Attained by performance - shares	97,017
Vested and released - shares	(234,517)
Forfeited - shares	(9,000)
Outstanding at end of year - shares	211,710
Maximum potential units outstanding at June 30, 2016 - shares	437,420
Weighted Average Grant Date Fair Value
Beginning of year - weighted average fair value	$ 14.59
Granted - weighted average fair value	13.56
Attained by performance - weighted average fair value	10.48
Vested and released - weighted average fair value	10.52
Forfeited - weighted average fair value	17.14
End of year - weighted average fair value	16.58
Maximum potential units outstanding at June 30, 2016 - weighted average fair value	$ 16.63

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Fair Value Measurements - Summary of Financial Liability Measured at Fair Value on a Recurring Basis (Details) - Designated As Hedging - Cash Flow Hedge - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2016	Dec. 31, 2015	Dec. 31, 2014
Interest rate swap
Recurring financial liability that was measured at carrying value
Derivative liability	$ (480)	$ (768)	$ (1,020)
Realized gain (loss) on cash flow hedge	472	768
Foreign currency hedges
Recurring financial liability that was measured at carrying value
Derivative Asset	34	0
Realized gain (loss) on cash flow hedge	3
Recurring | Significant Other Observable Inputs (Level 2) | Interest rate swap
Recurring financial liability that was measured at carrying value
Derivative liability	(480)	(768)
Recurring | Significant Other Observable Inputs (Level 2) | Foreign currency hedges
Recurring financial liability that was measured at carrying value
Derivative Asset	34
Recurring | Carrying Value | Interest rate swap
Recurring financial liability that was measured at carrying value
Derivative liability	(480)	$ (768)
Recurring | Carrying Value | Foreign currency hedges
Recurring financial liability that was measured at carrying value
Derivative Asset	$ 34

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Fair Value Measurements - Reconciliation of Recurring Financial Liability Related to Interest Rate Swaps (Details) - Designated As Hedging - Cash Flow Hedge - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2016	Dec. 31, 2015
Interest rate swap
Reconciliation of the recurring financial derivatives
Beginning balance, derivative liability	$ (768)	$ (1,020)
Total gains/(losses) for the period:
Included in earnings	472	768
Included in other comprehensive income	(184)	(516)
Ending balance, derivative liability	(480)	(768)
Foreign currency hedges
Reconciliation of the recurring financial derivatives
Beginning balance, derivative asset	0
Total gains/(losses) for the period:
Included in earnings	3
Included in other comprehensive income	31
Ending balance, derivative asset	$ 34	$ 0

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Income Taxes - Schedule of Effective Income Tax Rate (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 28, 2015	Jun. 30, 2016	Jun. 28, 2015
Income Tax Disclosure [Abstract]
Effective income tax rate	34.70%	(75.70%)	34.50%	(27.70%)

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Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 28, 2015	Jun. 30, 2016	Jun. 28, 2015
Reconciliation of effective income taxes rate
Effective income tax rate	34.70%	(75.70%)	34.50%	(27.70%)
Accrued for interest and penalties related to uncertain income tax	$ 186	$ 820

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Business Combinations - Narratives (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
	Mar. 11, 2016	Jun. 30, 2016	Jun. 28, 2015	Jun. 30, 2016	Jun. 28, 2015
Business Acquisition
Cost of goods sold		$ 64,236	$ 66,698	$ 127,472	$ 132,873
CTG Advanced
Business Acquisition
Net cash paid	$ 73,063
Cash acquired in acquisition	$ 4
Acquisition related cost		0		804
Cost of goods sold		$ 750		$ 1,151

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Business Combinations - Acquisition (Details) - USD ($) $ in Thousands	Mar. 11, 2016	Jun. 30, 2016	Dec. 31, 2015
Business Acquisition
Goodwill		$ 61,744	$ 33,865
CTG Advanced
Business Acquisition
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	$ 35,427
Current assets	4,215
Property, plant and equipment	6,173
Other assets	37
Goodwill	27,879
Fair value of assets acquired	73,731
Less fair value of liabilities acquired	(668)
Net cash paid	$ 73,063

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Business Combinations - Acquired Intangible Assets (Details) - CTG Advanced $ in Thousands	Mar. 11, 2016 USD ($)
Business Acquisition
Fair Value	$ 35,427
Developed Technology
Business Acquisition
Fair Value	$ 23,730
Weighted Average Amortization Period (in years)	15 years
Customer Relationships and Contracts
Business Acquisition
Fair Value	$ 11,502
Weighted Average Amortization Period (in years)	14 years 7 months 6 days
Other
Business Acquisition
Fair Value	$ 195
Weighted Average Amortization Period (in years)	9 months 18 days

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Business Combinations - Income Statement (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended
	Mar. 31, 2016	Jun. 30, 2016	Jun. 28, 2015	Jun. 30, 2016	Jun. 28, 2015
Business Acquisition
Net sales		$ 98,693	$ 100,071	$ 195,398	$ 198,382
Net loss		$ 14,487	$ 19,080	$ 22,350	$ 25,367
CTG Advanced
Business Acquisition
Net sales	$ 3,876
Net loss	$ 111

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Business Combinations - Pro Forma (Details) - CTG Advanced - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 28, 2015	Jun. 30, 2016	Jun. 28, 2015
Business Acquisition, Pro Forma Information
Net sales	$ 98,693	$ 103,689	$ 197,710	$ 205,290
Net earnings	$ 14,487	$ 19,640	$ 22,249	$ 26,298
Basic (usd per share)	$ 0.44	$ 0.59	$ 0.68	$ 0.79
Diluted (usd per share)	$ 0.44	$ 0.59	$ 0.67	$ 0.78