10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

þ	QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
	For the Quarterly Period Ended March 31, 2019

OR

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

Commission file number 001-11625

Pentair plc

(Exact name of Registrant as specified in its charter)

Ireland	98-1141328
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification number)
Regal House, 70 London Road, Twickenham, London, TW13QS United Kingdom
(Address of principal executive offices)

Registrant’s telephone number, including area code: 44-74-9421-6154

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 þ No ¨

Indicate by check mark whether the registrant has submitted electronically, every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§223.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).  Yes þ No ¨

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

Large accelerated filer þ Accelerated filer o Non-accelerated filer o Smaller reporting  company o Emerging growth
company o

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

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

On March 31, 2019, 171,891,940 shares of Registrant’s common stock were outstanding.

Pentair plc and Subsidiaries

		Page
PART I FINANCIAL INFORMATION
ITEM 1.	Financial Statements (unaudited)
	Condensed Consolidated Statements of Operations and Comprehensive Income	3
	Condensed Consolidated Balance Sheets	4
	Condensed Consolidated Statements of Cash Flows	5
	Condensed Consolidated Statements of Changes in Equity	6
	Notes to Condensed Consolidated Financial Statements	7
ITEM 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	27
ITEM 3.	Quantitative and Qualitative Disclosures about Market Risk	37
ITEM 4.	Controls and Procedures	38
PART II OTHER INFORMATION
ITEM 1.	Legal Proceedings	39
ITEM 1A.	Risk Factors	40
ITEM 2.	Unregistered Sales of Equity Securities and Use of Proceeds	40
ITEM 6.	Exhibits	41
	Signatures	42

2

PART I FINANCIAL INFORMATION

ITEM 1.    FINANCIAL STATEMENTS

Pentair plc and Subsidiaries

Condensed Consolidated Statements of Operations and Comprehensive Income (Unaudited)

	Three months ended
In millions, except per-share data	March 31, 2019			March 31, 2018
Net sales	$	688.9		$	732.6
Cost of goods sold	453.3			479.3
Gross profit	235.6			253.3
Selling, general and administrative expenses	147.3			141.8
Research and development expenses	20.7			18.8
Operating income	67.6			92.7
Other (income) expense:
(Gain) loss on sale of business	(3.5		)	5.3
Net interest expense	7.3			13.5
Other expense	0.6			0.4
Income from continuing operations before income taxes	63.2			73.5
Provision for income taxes	10.8			15.1
Net income from continuing operations	52.4			58.4
(Loss) income from discontinued operations, net of tax	(1.1		)	44.5
Net income	$	51.3		$	102.9
Comprehensive income, net of tax
Net income	$	51.3		$	102.9
Changes in cumulative translation adjustment	(1.6		)	2.4
Changes in market value of derivative financial instruments, net of tax	4.3			(3.8		)
Comprehensive income	$	54.0		$	101.5
Earnings (loss) per ordinary share
Basic
Continuing operations	$	0.31		$	0.33
Discontinued operations	(0.01		)	0.24
Basic earnings per ordinary share	$	0.30		$	0.57
Diluted
Continuing operations	$	0.30		$	0.32
Discontinued operations	—			0.25
Diluted earnings per ordinary share	$	0.30		$	0.57
Weighted average ordinary shares outstanding
Basic	171.6			179.2
Diluted	172.5			181.5

See accompanying notes to condensed consolidated financial statements.

3

Pentair plc and Subsidiaries

Condensed Consolidated Balance Sheets (Unaudited)

	March 31, 2019			December 31, 2018
In millions, except per-share data
Assets
Current assets
Cash and cash equivalents	$	78.9		$	74.3
Accounts and notes receivable, net of allowances of $14.7 and $14.0, respectively	645.7			488.2
Inventories	421.8			387.5
Other current assets	105.2			89.4
Total current assets	1,251.6			1,039.4
Property, plant and equipment, net	279.1			272.6
Other assets
Goodwill	2,283.0			2,072.7
Intangibles, net	361.5			276.3
Other non-current assets	207.0			145.5
Total other assets	2,851.5			2,494.5
Total assets	$	4,382.2		$	3,806.5
Liabilities and Equity
Current liabilities
Accounts payable	$	265.3		$	378.6
Employee compensation and benefits	94.2			111.7
Other current liabilities	345.8			328.4
Total current liabilities	705.3			818.7
Other liabilities
Long-term debt	1,370.7			787.6
Pension and other post-retirement compensation and benefits	89.8			90.0
Deferred tax liabilities	124.6			105.9
Other non-current liabilities	221.4			168.2
Total liabilities	2,511.8			1,970.4
Equity
Ordinary shares $0.01 par value, 426.0 authorized, 171.9 and 171.4 issued at March 31, 2019 and December 31, 2018, respectively	1.7			1.7
Additional paid-in capital	1,905.1			1,893.8
Retained earnings	189.5			169.2
Accumulated other comprehensive loss	(225.9		)	(228.6		)
Total equity	1,870.4			1,836.1
Total liabilities and equity	$	4,382.2		$	3,806.5

See accompanying notes to condensed consolidated financial statements.

4

Pentair plc and Subsidiaries

Condensed Consolidated Statements of Cash Flows (Unaudited)

	Three months ended
In millions	March 31, 2019			March 31, 2018
Operating activities
Net income	$	51.3		$	102.9
Loss (income) from discontinued operations, net of tax	1.1			(44.5		)
Adjustments to reconcile net income from continuing operations to net cash provided by (used for) operating activities of continuing operations
Equity income of unconsolidated subsidiaries	(0.6		)	(0.6		)
Depreciation	12.0			12.6
Amortization	8.2			9.3
Deferred income taxes	(1.7		)	(9.9		)
(Gain) loss on sale of business	(3.5		)	5.3
Share-based compensation	5.4			6.0
Trade name and other impairment	15.3			—
Changes in assets and liabilities, net of effects of business acquisitions
Accounts and notes receivable	(154.0		)	(146.2		)
Inventories	(22.2		)	(8.4		)
Other current assets	(22.5		)	5.6
Accounts payable	(118.2		)	(59.7		)
Employee compensation and benefits	(18.9		)	(30.1		)
Other current liabilities	(8.3		)	(39.6		)
Other non-current assets and liabilities	(0.5		)	3.3
Net cash used for operating activities of continuing operations	(257.1		)	(194.0		)
Net cash provided by operating activities of discontinued operations	0.8			26.4
Net cash used for operating activities	(256.3		)	(167.6		)
Investing activities
Capital expenditures	(16.8		)	(11.5		)
Proceeds from sale of property and equipment	0.3			—
Proceeds from (payments due to) the sale of businesses, net	0.7			(13.8		)
Acquisitions, net of cash acquired	(287.2		)	(0.9		)
Other	(1.5		)	—
Net cash used for investing activities of continuing operations	(304.5		)	(26.2		)
Net cash used for investing activities of discontinued operations	—			(5.0		)
Net cash used for investing activities	(304.5		)	(31.2		)
Financing activities
Net receipts of commercial paper and revolving long-term debt	584.1			417.5
Shares issued to employees, net of shares withheld	5.9			0.9
Repurchases of ordinary shares	—			(150.0		)
Dividends paid	(31.0		)	(63.3		)
Net cash provided by financing activities of continuing operations	559.0			205.1
Net cash provided by financing activities of discontinued operations	—			792.7
Net cash provided by financing activities	559.0			997.8
Change in cash held for sale	—			(809.7		)
Effect of exchange rate changes on cash and cash equivalents	6.4			(4.8		)
Change in cash and cash equivalents	4.6			(15.5		)
Cash and cash equivalents, beginning of period	74.3			86.3
Cash and cash equivalents, end of period	$	78.9		$	70.8

See accompanying notes to condensed consolidated financial statements.

5

Pentair plc and Subsidiaries

Condensed Consolidated Statements of Changes in Equity (Unaudited)

In millions	Ordinary shares			Additional paid-in capital			Retained earnings			Accumulated other comprehensive loss			Total
	Number	Amount
Balance - December 31, 2018	171.4	$	1.7	$	1,893.8		$	169.2		$	(228.6	)	$	1,836.1
Net income	—	—		—			51.3			—			51.3
Other comprehensive income, net of tax	—	—		—			—			2.7			2.7
Dividends declared, $0.18 per share	—	—		—			(31.0		)	—			(31.0		)
Exercise of options, net of shares tendered for payment	0.3	—		9.1			—			—			9.1
Issuance of restricted shares, net of cancellations	0.2	—		—			—			—			—
Shares surrendered by employees to pay taxes	—	—		(3.2		)	—			—			(3.2		)
Share-based compensation	—	—		5.4			—			—			5.4
Balance - March 31, 2019	171.9	$	1.7	$	1,905.1		$	189.5		$	(225.9	)	$	1,870.4

In millions	Ordinary shares				Additional paid-in capital			Retained earnings			Accumulated other comprehensive loss			Total
	Number		Amount
Balance - December 31, 2017	180.3		$	1.8	$	2,797.7		$	2,481.7		$	(243.4	)	$	5,037.8
Net income	—		—		—			102.9			—			102.9
Cumulative effect of accounting changes	—		—		—			(214.0		)	—			(214.0		)
Other comprehensive loss, net of tax	—		—		—			—			(1.4		)	(1.4		)
Dividends declared, $0.35 per share	—		—		—			(62.6		)	—			(62.6		)
Share repurchase	(2.2	)	—		(150.0		)	—			—			(150.0		)
Exercise of options, net of shares tendered for payment	0.1		—		5.8			—			—			5.8
Issuance of restricted shares, net of cancellations	0.3		—		—			—			—			—
Shares surrendered by employees to pay taxes	(0.1	)	—		(4.8		)	—			—			(4.8		)
Share-based compensation	—		—		6.0			—			—			6.0
Balance - March 31, 2018	178.4		$	1.8	$	2,654.7		$	2,308.0		$	(244.8	)	$	4,719.7

See accompanying notes to condensed consolidated financial statements.

6

Pentair plc and Subsidiaries

Notes to condensed consolidated financial statements (unaudited)

1.    Basis of Presentation and Responsibility for Interim Financial Statements

The accompanying unaudited condensed consolidated financial statements of Pentair plc and its subsidiaries (“we,” “us,” “our,” “Pentair,” or the “Company”) have been prepared following the requirements of the U.S. Securities and Exchange Commission (“SEC”) for interim reporting. As permitted under those rules, certain footnotes or other financial information that are normally required by accounting principles generally accepted in the United States of America (“GAAP”) can be condensed or omitted.

We are responsible for the unaudited condensed consolidated financial statements included in this document. The financial statements include all normal recurring adjustments that are considered necessary for the fair presentation of our financial position and operating results. As these are condensed financial statements, one should also read our consolidated financial statements and notes thereto, which are included in our Annual Report on Form 10-K for the year ended December 31, 2018.

Revenues, expenses, cash flows, assets and liabilities can and do vary during each quarter of the year. Therefore, the results and trends in these interim financial statements may not be indicative of those for a full year.

Our fiscal year ends on December 31. We report our interim quarterly periods on a calendar quarter basis.

Adoption of new accounting standards

On January 1, 2019, we adopted ASU No. 2016-02, “Leases” (“the new lease standard” or “ASC 842”) using the transition method of adoption. Under the transition method of adoption, comparative information has not been restated and continues to be reported under the standards in effect for those periods. In addition, we elected the package of practical expedients permitted under the transition guidance within the new standard, which among other things, allowed us to carry forward the historical lease classification. We also elected the practical expedient to not separate non-lease components from the lease components to which they relate, and instead account for each separate lease and non-lease component associated with that lease component as a single lease component for all underlying asset classes. Accordingly, all costs associated with a lease contract are accounted for as one lease cost.

The impact of adopting the new standard primarily relates to the recognition of a lease right-of-use (“ROU”) asset and current and non-current lease liability on the consolidated balance sheet. ROU assets represent our right to use an underlying asset for the lease term and lease liabilities represent our obligation to make lease payments arising from the lease. Lease ROU assets and liabilities are recognized at commencement date based on the present value of lease payments over the lease term. As we cannot readily determine the rate implicit in the lease, we use our incremental borrowing rate determined by country of lease origin based on the anticipated lease term as determined at commencement date in determining the present value of lease payments. The ROU asset also excludes any accrued lease payments and unamortized lease incentives.

As of March 31, 2019, $74.7 million was included inOther non-current assets, $19.9 million inOther current liabilities and $57.7 million in Other non-current liabilities, on the Condensed Consolidated Balance Sheets as a result of the new lease standard. There was no impact on our Condensed Consolidated Statements of Operations and Comprehensive Income or Condensed Consolidated Statements of Cash Flows.

Refer to Note 15 for further discussion.

7

Pentair plc and Subsidiaries

Notes to condensed consolidated financial statements (unaudited)

2.     Revenue

We disaggregate our revenue from contracts with customers by segment, geographic location and vertical, as we believe these best depict how the nature, amount, timing and uncertainty of our revenue and cash flows are affected by economic factors. Refer to Note 14 for revenue disaggregated by segment.

Geographic net sales information, based on geographic destination of the sale, was as follows:

	Three months ended
In millions	March 31, 2019		March 31, 2018
U.S.	$	426.0	$	452.4
Western Europe	104.3		110.3
Developing (1)	108.9		113.0
Other Developed (2)	49.7		56.9
Consolidated net sales	$	688.9	$	732.6
(1)Developing includes China, Eastern Europe, Latin America, the Middle East and Southeast Asia.
(2) Other Developed includes Australia, Canada and Japan.

Vertical net sales information was as follows:

	Three months ended
In millions	March 31, 2019		March 31, 2018
Residential	$	383.6	$	412.2
Commercial	150.7		151.8
Industrial	154.6		168.6
Consolidated net sales	$	688.9	$	732.6

Performance obligations

On March 31, 2019, we had $66.4 million of remaining performance obligations on contracts with an original expected duration of one year or more. We expect to recognize the majority of our remaining performance obligations on these contracts within the next 12 to 18 months.

Contract assets and liabilities

Contract assets and liabilities consisted of the following:

In millions	March 31, 2019		December 31, 2018		$ Change		% Change
Contract assets	$	38.4	$	36.5	$	1.9	5.2	%
Contract liabilities	32.9		32.8		0.1		0.3	%
Net contract assets	$	5.5	$	3.7	$	1.8	48.6	%

The $1.8 millionincrease in net contract assets from December 31, 2018 to March 31, 2019 was primarily the result of timing of milestone payments. Approximately 50% of our contract liabilities at December 31, 2018 were recognized in revenue in the first quarter of 2019. There were no impairment losses recognized on our contract assets for the three months ended March 31, 2019.

3.Acquisitions and Discontinued Operations

Acquisitions

In February 2019, as part of Filtration Solutions, we completed the acquisitions of Aquion, Inc. (“Aquion”) and Pelican Water Systems (“Pelican”) for $164.7 million and $122.5 million in cash, net of cash acquired, respectively.

8

Pentair plc and Subsidiaries

Notes to condensed consolidated financial statements (unaudited)

For Aquion, the excess of purchase price over tangible net assets and identified intangible assets acquired has been preliminarily allocated to goodwill in the amount of $94.6 million, none of which is expected to be deductible for income tax purposes. Identifiable intangible assets acquired as part of the Aquion acquisition include $15.7 million of indefinite-lived trade name intangible assets and $78.8 million of definite-lived customer relationships with an estimated useful life of 15 years.

For Pelican, the excess purchase price over tangible net assets acquired has been preliminarily allocated to goodwill in the amount of $121.9 million, none of which is expected to be deductible for income tax purposes.

The preliminary purchase price allocation for these acquisitions is subject to further refinement and may require significant adjustments to arrive at the final purchase price allocation. These changes will primarily relate to impacts associated with income taxes and other accruals.

The proforma impact of these acquisitions is not material.

Discontinued Operation — Electrical Separation

On April 30, 2018, we completed the separation of our Electrical business from the rest of Pentair (the “Separation”) by means of a dividend in specie of the Electrical business, which was effected by the transfer of the Electrical business from Pentair to nVent Electric plc (“nVent”) and the issuance by nVent of ordinary shares directly to Pentair shareholders (the “Distribution”). The results of the Electrical business have been presented as discontinued operations. The Electrical business had been previously disclosed as a stand-alone reporting segment. Separation costs related to the Separation and Distribution were $24.6 million for the three months ended March 31, 2018. These costs are reported in discontinued operations as they represent a cost directly related to the Separation and Distribution and are included within (Loss) income from discontinued operations, net of tax presented below.

Operating results of the discontinued operation is summarized below:

	Three months ended
In millions	March 31, 2019			March 31, 2018
Net sales	$	—		$	538.9
Cost of goods sold	—			330.2
Gross profit	—			208.7
Selling, general and administrative expenses	0.3			137.8
Research and development expenses	—			11.3
Operating income (loss)	$	(0.3	)	$	59.6
(Loss) income from discontinued operations before income taxes	$	(0.8	)	$	58.2
Income tax provision	0.3			13.7
(Loss) income from discontinued operations, net of tax	$	(1.1	)	$	44.5

9

Pentair plc and Subsidiaries

Notes to condensed consolidated financial statements (unaudited)

4. Share Plans

Total share-based compensation expense for the three months endedMarch 31, 2019 and 2018 was as follows:

	Three months ended
In millions	March 31, 2019		March 31, 2018
Restricted stock units	$	2.8	$	2.4
Stock options	1.4		1.2
Performance share units	1.2		2.4
Total share-based compensation expense	$	5.4	$	6.0

Of the total share-based compensation expense noted above, $2.0 million was reported as part of (Loss) income from discontinued operations, net of tax for the three months ended March 31, 2018.

In the first quarter of 2019, we issued our annual share-based compensation grants under the Pentair plc 2012 Stock and Incentive Plan to eligible employees. The total number of awards issued was approximately 0.8 million, of which 0.3 million were restricted stock units (“RSUs”), 0.4 million were stock options and 0.1 million were performance share units (“PSUs”). The weighted-average grant date fair value of the RSUs, stock options and PSUs issued was $40.84, $8.84, and $38.47, respectively.

We estimated the fair value of each stock option award issued in the annual share-based compensation grant using a Black-Scholes option pricing model, modified for dividends and using the following assumptions:

	2019 Annual Grant
Risk-free interest rate	2.89	%
Expected dividend yield	1.78	%
Expected share price volatility	23.3	%
Expected term (years)	6.1

These estimates require us to make assumptions based on historical results, observance of trends in our share price, changes in option exercise behavior, future expectations and other relevant factors. If other assumptions had been used, share-based compensation expense, as calculated and recorded under the accounting guidance, could have been affected. We based the expected life assumption on historical experience as well as the terms and vesting periods of the options granted. For purposes of determining expected share price volatility, we considered a rolling average of historical volatility measured over a period approximately equal to the expected option term. The risk-free interest rate for periods that coincide with the expected life of the options is based on the U.S. Treasury Department yield curve in effect at the time of grant.

5. Restructuring

During the three months endedMarch 31, 2019 and the year ended December 31, 2018, we initiated and continued execution of certain business restructuring initiatives aimed at reducing our fixed cost structure and realigning our business. These initiatives included the reduction in hourly and salaried headcount of approximately 10 employees and 300 employees, respectively.

Restructuring-related costs included in Selling, general and administrative expenses in the Condensed Consolidated Statements of Operations and Comprehensive Income included costs for severance and other restructuring costs as follows:

	Three months ended
In millions	March 31, 2019		March 31, 2018
Severance and related costs	$	1.1	$	5.4
Other	—		0.2
Total restructuring costs	$	1.1	$	5.6

Other restructuring costs primarily consist of asset impairment and various contract termination costs.

10

Pentair plc and Subsidiaries

Notes to condensed consolidated financial statements (unaudited)

Restructuring costs by reportable segment were as follows:

	Three months ended
In millions	March 31, 2019			March 31, 2018
Aquatic Systems	$	0.9		$	1.8
Filtration Solutions	0.4			2.0
Flow Technologies	(0.3		)	1.7
Other	0.1			0.1
Consolidated	$	1.1		$	5.6

Activity related to accrued severance and related costs recorded in Other current liabilities in the Condensed Consolidated Balance Sheets is summarized as follows for the three months endedMarch 31, 2019:

In millions	March 31, 2019
Beginning balance	$	27.1
Costs incurred	1.1
Cash payments and other	(8.0		)
Ending balance	$	20.2

6. Earnings Per Share

Basic and diluted earnings per share were calculated as follows:

	Three months ended
In millions, except per-share data	March 31, 2019			March 31, 2018
Net income	$	51.3		$	102.9
Net income from continuing operations	$	52.4		$	58.4
Weighted average ordinary shares outstanding
Basic	171.6			179.2
Dilutive impact of stock options, restricted stock units and performance share units	0.9			2.3
Diluted	172.5			181.5
Earnings (loss) per ordinary share
Basic
Continuing operations	$	0.31		$	0.33
Discontinued operations	(0.01		)	0.24
Basic earnings per ordinary share	$	0.30		$	0.57
Diluted
Continuing operations	$	0.30		$	0.32
Discontinued operations	—			0.25
Diluted earnings per ordinary share	$	0.30		$	0.57
Anti-dilutive stock options excluded from the calculation of diluted earnings per share	1.7			0.4

11

Pentair plc and Subsidiaries

Notes to condensed consolidated financial statements (unaudited)

7.    Supplemental Balance Sheet Information

In millions	March 31, 2019		December 31, 2018
Inventories
Raw materials and supplies	$	208.5	$	191.3
Work-in-process	68.3		64.0
Finished goods	145.0		132.2
Total inventories	$	421.8	$	387.5
Other current assets
Cost in excess of billings	$	38.4	$	36.5
Prepaid expenses	52.7		36.7
Prepaid income taxes	5.3		8.5
Other current assets	8.8		7.7
Total other current assets	$	105.2	$	89.4
Property, plant and equipment, net
Land and land improvements	$	33.6	$	33.5
Buildings and leasehold improvements	179.6		178.9
Machinery and equipment	604.1		593.8
Construction in progress	39.6		35.7
Total property, plant and equipment	856.9		841.9
Accumulated depreciation and amortization	577.8		569.3
Total property, plant and equipment, net	$	279.1	$	272.6
Other non-current assets
Right-of-use lease assets	$	74.7	$	—
Deferred income taxes	26.3		26.2
Deferred compensation plan assets	21.2		20.9
Other non-current assets	84.8		98.4
Total other non-current assets	$	207.0	$	145.5
Other current liabilities
Dividends payable	$	30.9	$	30.8
Accrued warranty	34.6		33.9
Accrued rebates	45.7		55.7
Billings in excess of cost	19.7		21.3
Current lease liability	19.9		—
Income taxes payable	9.9		10.4
Accrued restructuring	20.2		27.1
Other current liabilities	164.9		149.2
Total other current liabilities	$	345.8	$	328.4
Other non-current liabilities
Long-term lease liability	$	57.7	$	—
Income taxes payable	46.8		46.8
Self-insurance liabilities	45.7		47.7
Deferred compensation plan liabilities	21.2		20.9
Foreign currency contract liabilities	23.9		30.6
Other non-current liabilities	26.1		22.2
Total other non-current liabilities	$	221.4	$	168.2

12

Pentair plc and Subsidiaries

Notes to condensed consolidated financial statements (unaudited)

8. Goodwill and Other Identifiable Intangible Assets

The changes in the carrying amount of goodwill by reportable segment were as follows:

In millions	December 31, 2018		Acquisitions		Foreign currency  translation/other			March 31, 2019
Aquatic Systems	$	965.9	$	—	$	(0.6	)	$	965.3
Filtration Solutions	643.5		216.5		(4.5		)	855.5
Flow Technologies	463.3		—		(1.1		)	462.2
Total goodwill	$	2,072.7	$	216.5	$	(6.2	)	$	2,283.0

Identifiable intangible assets consisted of the following:

	March 31, 2019							December 31, 2018
In millions	Cost		Accumulated amortization			Net		Cost		Accumulated amortization			Net
Definite-life intangibles
Customer relationships	$	424.6	$	(253.3	)	$	171.3	$	347.1	$	(247.9	)	$	99.2
Trade names	0.4		(0.4		)	—		0.4		(0.4		)	—
Proprietary technology and patents	85.5		(69.6		)	15.9		86.2		(68.4		)	17.8
Total definite-life intangibles	510.5		(323.3		)	187.2		433.7		(316.7		)	117.0
Indefinite-life intangibles
Trade names	174.3		—			174.3		159.3		—			159.3
Total intangibles	$	684.8	$	(323.3	)	$	361.5	$	593.0	$	(316.7	)	$	276.3

Identifiable intangible asset amortization expense $8.2 million and $9.3 million for the three months ended March 31, 2019 and 2018, respectively.

Estimated future amortization expense for identifiable intangible assets during the remainder of 2019 and the next five years is as follows:

	Q2-Q4
In millions	2019		2020		2021		2022		2023		2024
Estimated amortization expense	$	23.4	$	27.5	$	22.4	$	15.3	$	13.0	$	12.4

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Notes to condensed consolidated financial statements (unaudited)

9. Debt

Debt and the average interest rates on debt outstanding were as follows:

In millions	Average interest rate as of March 31, 2019	Maturity Year	March 31, 2019			December 31, 2018
Commercial paper	3.171%	2023	$	681.2		$	76.0
Revolving credit facilities	3.595%	2023	5.0			26.2
Senior notes - fixed rate (1)	2.650%	2019	250.0			250.0
Senior notes - fixed rate - Euro (1)	2.450%	2019	153.6			155.1
Senior notes - fixed rate (1)	3.625%	2020	74.0			74.0
Senior notes - fixed rate (1)	5.000%	2021	103.8			103.8
Senior notes - fixed rate (1)	3.150%	2022	88.3			88.3
Senior notes - fixed rate (1)	4.650%	2025	19.3			19.3
Unamortized debt issuance costs and discounts	N/A	N/A	(4.5		)	(5.1		)
Total debt			$	1,370.7		$	787.6
(1) Senior notes are guaranteed as to payment by Pentair and PISG.

In April 2018, Pentair, Pentair Investments Switzerland GmbH (“PISG”), Pentair Finance S.à r.l. (“PFSA”) and Pentair, Inc. entered into a credit agreement, providing for an $800.0 million senior unsecured revolving credit facility with a term of five years (the “Senior Credit Facility”), with Pentair and PISG as guarantors and PFSA and Pentair, Inc. as borrowers. The Senior Credit Facility replaced PFSA’s existing credit facility under that certain Amended and Restated Credit Agreement, dated as of October 3, 2014. The Senior Credit Facility has a maturity date of April 25, 2023. Borrowings under the Senior Credit Facility bear interest at a rate equal to an adjusted base rate or the London Interbank Offered Rate, plus, in each case, an applicable margin. The applicable margin is based on, at PFSA’s election, Pentair’s leverage level or PFSA’s public credit rating.

PFSA is authorized to sell short-term commercial paper notes to the extent availability exists under the Senior Credit Facility. PFSA uses the Senior Credit Facility as back-up liquidity to support 100% of commercial paper outstanding. PFSA had $681.2 million of commercial paper outstanding as of March 31, 2019 and $76.0 million as of December 31, 2018, all of which was classified as long-term debt as we have the intent and the ability to refinance such obligations on a long-term basis under the Senior Credit Facility.

Total availability under the Senior Credit Facility was $113.8 million as of March 31, 2019. Additionally, PFSA has the option to request to increase the Senior Credit Facility in an aggregate amount of up to $300.0 million, subject to customary conditions, including the commitment of the participating lenders. We anticipate that, during the second quarter of 2019, PFSA will request an increase in the Senior Credit Facility of $100.0 million pursuant to such option.

Our debt agreements contain various financial covenants, but the most restrictive covenants are contained in the Senior Credit Facility. The Senior Credit Facility contains covenants requiring us not to permit (i) the ratio of our consolidated debt (net of our consolidated unrestricted cash in excess of $5.0 million but not to exceed $250.0 million) to our consolidated net income (excluding, among other things, non-cash gains and losses) before interest, taxes, depreciation, amortization and non-cash share-based compensation expense (“EBITDA”) on the last day of any period of four consecutive fiscal quarters to exceed 3.75 to 1.00 (the “Leverage Ratio”) and (ii) the ratio of our EBITDA to our consolidated interest expense, for the same period to be less than 3.00 to 1.00 as of the end of each fiscal quarter. For purposes of the Leverage Ratio, the Senior Credit Facility provides for the calculation of EBITDA giving pro forma effect to certain acquisitions, divestitures and liquidations during the period to which such calculation relates. As of March 31, 2019, we were in compliance with all financial covenants in our debt agreements.

In addition to the Senior Credit Facility, we have various other credit facilities with an aggregate availability of $21.2 million, of which there were no outstanding borrowings at March 31, 2019. Borrowings under these credit facilities bear interest at variable rates.

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Notes to condensed consolidated financial statements (unaudited)

We have $403.6 million aggregate principal amount of fixed rate senior notes maturing in the next twelve months. We classified this debt as long-term as of March 31, 2019 as we have the intent and ability to refinance such obligation on a long-term basis under the Senior Credit Facility.

Debt outstanding, excluding unamortized issuance costs and discounts, at March 31, 2019 matures on a calendar year basis as follows:

	Q2-Q4
In millions	2019		2020		2021		2022		2023		2024		Thereafter		Total
Contractual debt obligation maturities	$	403.6	$	74.0	$	103.8	$	88.3	$	686.2	$	—	$	19.3	$	1,375.2

10. Derivatives and Financial Instruments

Derivative financial instruments

We are exposed to market risk related to changes in foreign currency exchange rates. To manage the volatility related to this exposure, we periodically enter into a variety of derivative financial instruments. Our objective is to reduce, where it is deemed appropriate to do so, fluctuations in earnings and cash flows associated with changes in foreign currency exchange rates. The derivative contracts contain credit risk to the extent that our bank counterparties may be unable to meet the terms of the agreements. The amount of such credit risk is generally limited to the unrealized gains, if any, in such contracts. Such risk is minimized by limiting those counterparties to major financial institutions of high credit quality.

Foreign currency contracts

We conduct business in various locations throughout the world and are subject to market risk due to changes in the value of foreign currencies in relation to our reporting currency, the U.S. dollar. We manage our economic and transaction exposure to certain market-based risks through the use of foreign currency derivative financial instruments. Our objective in holding these derivatives is to reduce the volatility of net earnings and cash flows associated with changes in foreign currency exchange rates. The majority of our foreign currency contracts have an original maturity date of less than one year.

At March 31, 2019 and December 31, 2018, we had outstanding foreign currency derivative contracts with gross notional U.S. dollar equivalent amounts of $313.6 million and $331.4 million, respectively. The impact of these contracts on the Condensed Consolidated Statements of Operations and Comprehensive Income was not material for any period presented.

Gains or losses on foreign currency contracts designated as hedges are reclassified out of Accumulated other comprehensive loss (“AOCI”) and into Selling, general and administrative expenses in the Condensed Consolidated Statements of Operations and Comprehensive Income upon settlement. Such reclassifications during the three months endedMarch 31, 2019 and 2018 were not material.

Net investment hedge

We have net investments in foreign subsidiaries that are subject to changes in the foreign currency exchange rate. In September 2015, we designated the €500 million2.45% Senior Notes due 2019 (the “2019 Euro Notes”) as a net investment hedge for a portion of our net investment in our Euro-denominated subsidiaries. In June 2018, the Company completed a tender offer for €363.4 million of the 2019 Euro Notes. The remaining €136.6 million of the 2019 Euro Notes have been re-designated as a net investment hedge in our Euro-denominated subsidiaries. The gains/losses on the 2019 Euro Notes have been included as a component of the cumulative translation adjustment account within AOCI. We had a deferred foreign currency gain of $0.7 million at March 31, 2019 and a deferred foreign currency loss of $0.8 million at December 31, 2018 in AOCI associated with the net investment hedge activity.

Fair value measurements

Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. Assets and liabilities measured at fair value are classified using the following hierarchy, which is based upon the transparency of inputs to the valuation as of the measurement date:

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Pentair plc and Subsidiaries

Notes to condensed consolidated financial statements (unaudited)

Level 1:	Valuation is based on observable inputs such as quoted market prices (unadjusted) for identical assets or liabilities in active markets.
Level 2:	Valuation is based on inputs such as quoted market prices for similar assets or liabilities in active markets or other inputs that are observable for the asset or liability, either directly or indirectly, for substantially the full term of the financial instrument.
Level 3:	Valuation is based upon other unobservable inputs that are significant to the fair value measurement.

In making fair value measurements, observable market data must be used when available. When inputs used to measure fair value fall within different levels of the hierarchy, the level within which the fair value measurement is categorized is based on the lowest level input that is significant to the fair value measurement.

Fair value of financial instruments

The following methods were used to estimate the fair values of each class of financial instruments:

• short-term financial instruments (cash and cash equivalents, accounts and notes receivable, accounts and notes payable and variable-rate debt) — recorded amount approximates fair value because of the short maturity period;

• long-term fixed-rate debt, including current maturities — fair value is based on market quotes available for issuance of debt with similar terms, which are inputs that are classified as Level 2 in the valuation hierarchy defined by the accounting guidance;

• foreign currency contract agreements — fair values are determined through the use of models that consider various assumptions, including time value, yield curves, as well as other relevant economic measures, which are inputs that are classified as Level 2 in the valuation hierarchy defined by the accounting guidance; and

• deferred compensation plan assets (mutual funds, common/collective trusts and cash equivalents for payment of certain non-qualified benefits for retired, terminated and active employees) — fair value of mutual funds and cash equivalents are based on quoted market prices in active markets that are classified as Level 1 in the valuation hierarchy defined by the accounting guidance; fair value of common/collective trusts are valued at net asset value (“NAV”), which is based on the fair value of the underlying securities owned by the fund and divided by the number of shares outstanding.

The recorded amounts and estimated fair values of total debt, excluding unamortized issuance costs and discounts, were as follows:

	March 31, 2019				December 31, 2018
In millions	Recorded Amount		Fair Value		Recorded Amount		Fair Value
Variable rate debt	$	686.2	$	686.2	$	102.2	$	102.2
Fixed rate debt	689.0		694.6		690.5		691.8
Total debt	$	1,375.2	$	1,380.8	$	792.7	$	794.0

Financial assets and liabilities measured at fair value on a recurring and nonrecurring basis were as follows:

	March 31, 2019
In millions	Level 1		Level 2			Level 3		NAV		Total
Recurring fair value measurements
Foreign currency contract assets	$	—	$	0.3		$	—	$	—	$	0.3
Foreign currency contract liabilities	—		(23.9		)	—		—		(23.9		)
Deferred compensation plan assets	17.0		—			—		4.2		21.2
Total recurring fair value measurements	$	17.0	$	(23.6	)	$	—	$	4.2	$	(2.4	)

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Notes to condensed consolidated financial statements (unaudited)

	December 31, 2018
In millions	Level 1		Level 2			Level 3		NAV		Total
Recurring fair value measurements
Foreign currency contract liabilities	$	—	$	(30.6	)	$	—	$	—	$	(30.6	)
Deferred compensation plan assets	17.6		—			—		3.3		20.9
Total recurring fair value measurements	$	17.6	$	(30.6	)	$	—	$	3.3	$	(9.7	)

11. Income Taxes

We manage our affairs so that we are centrally managed and controlled in the United Kingdom (“U.K.”) and therefore have our tax residency in the U.K. The provision for income taxes consists of provisions for the U.K. and international income taxes. We operate in an international environment with operations in various locations outside the U.K. Accordingly, the consolidated income tax rate is a composite rate reflecting the earnings in the various locations and the applicable rates.

The effective income tax rate for the three months endedMarch 31, 2019 was 17.1%, compared to 20.5% for the three months endedMarch 31, 2018. We continue to actively pursue initiatives to reduce our effective tax rate. The tax rate in any quarter can be affected positively or negatively by adjustments that are required to be reported in the specific quarter of resolution.

The liability for uncertain tax positions was $49.6 million and $51.4 million at March 31, 2019 and December 31, 2018, respectively. We record penalties and interest related to unrecognized tax benefits in Provision for income taxes and Net interest expense, respectively, on the Condensed Consolidated Statements of Operations and Comprehensive Income, which is consistent with our past practices.

12. Benefit Plans

Components of net periodic benefit cost for our pension plans for the three months endedMarch 31, 2019 and 2018 were as follows:

	Three months ended
In millions	March 31, 2019			March 31, 2018
Service cost	$	0.7		$	1.0
Interest cost	2.7			3.0
Expected return on plan assets	(1.7		)	(2.2		)
Net periodic benefit cost	$	1.7		$	1.8

Components of net periodic benefit cost for our other post-retirement plans for the three months endedMarch 31, 2019 and 2018 were not material.

13. Shareholders’ Equity

Share repurchases

In May 2018, the Board of Directors authorized the repurchase of our ordinary shares up to a maximum dollar limit of $750.0 million. The authorization expires on May 31, 2021. There were no share repurchases during the three months endedMarch 31, 2019. As of March 31, 2019, we had $400.0 million available for share repurchases.

Dividends payable

On December 10, 2018, the Board of Directors declared a quarterly cash dividend of $0.18, that was paid on February 8, 2019, to shareholders of record at the close of business on January 25, 2019. Additionally, the Board of Directors approved a plan to pay an annual cash dividend of $0.72 in 2019. Further, on February 19, 2019, the Board of Directors declared a quarterly cash dividend of $0.18 payable on May 3, 2019, to shareholders of record at the close of business on April 19, 2019. As a result, the balance of dividends payable included in Other current liabilitieson our Condensed Consolidated Balance Sheets was $30.9 million at March 31, 2019, compared to $30.8 million at December 31, 2018.

14. Segment Information

We evaluate performance based on net sales and segment income (loss) and use a variety of ratios to measure performance of our reporting segments. These results are not necessarily indicative of the results of operations that would have occurred had each segment been an independent, stand-alone entity during the periods presented. Segment income (loss) represents equity income of unconsolidated subsidiaries and operating income exclusive of intangible amortization, certain acquisition related expenses, costs of restructuring activities, impairments and other unusual non-operating items.

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Pentair plc and Subsidiaries

Notes to condensed consolidated financial statements (unaudited)

Financial information by reportable segment is as follows:

	Three months ended
In millions	March 31, 2019			March 31, 2018
Net sales
Aquatic Systems	$	220.5		$	240.4
Filtration Solutions	239.3			251.6
Flow Technologies	228.7			240.3
Other	0.4			0.3
Consolidated	$	688.9		$	732.6
Segment income (loss)
Aquatic Systems	$	52.4		$	60.0
Filtration Solutions	33.7			33.7
Flow Technologies	30.1			38.7
Other	(17.5		)	(15.4		)
Consolidated	$	98.7		$	117.0

The following table presents a reconciliation of consolidated segment income to consolidated income from continuing operations before income taxes:

	Three months ended
In millions	March 31, 2019			March 31, 2018
Segment income	$	98.7		$	117.0
Deal-related costs and expenses	(4.2		)	—
Inventory step-up	(1.7		)	—
Restructuring and other	(1.1		)	(5.6		)
Intangible amortization	(8.2		)	(9.3		)
Asset impairment	(15.3		)	—
Gain (loss) on sale of business	3.5			(5.3		)
Corporate allocations	—			(8.8		)
Net interest expense	(7.3		)	(13.5		)
Other expense	(1.2		)	(1.0		)
Income from continuing operations before income taxes	$	63.2		$	73.5

15. Commitments and Contingencies

Leases

We determine if an arrangement is a lease at inception. Our lease portfolio principally consists of operating leases related to facilities, machinery, equipment and vehicles. Our lease terms do not include options to extend or terminate the lease until we are reasonably certain that we will exercise that option. Operating lease cost for lease payments is recognized on a straight-line basis over the lease term and principally consists of fixed payments for base rent.

The components of lease cost for the three months endedMarch 31, 2019 were as follows:

In millions	March 31, 2019
Operating lease cost	$	8.6
Sublease income	(0.2		)
Total lease cost	$	8.4

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Pentair plc and Subsidiaries

Notes to condensed consolidated financial statements (unaudited)

Supplemental cash flow information related to leases for the three months endedMarch 31, 2019 was as follows:

In millions	March 31, 2019
Operating cash flows from operating leases	$	6.6
Right-of-use assets obtained in exchange for lease obligations	79.5

Other information related to leases was as follows:

	March 31, 2019
Weighted-average remaining lease term of operating leases	5 years
Weighted-average discount rate of operating leases	6.2	%

Future minimum lease commitments under non-cancelable operating leases, as of March 31, 2019 were as follows:

In millions	Operating Leases
Q2 through Q4 2019	$	18.5
2020	19.6
2021	14.9
2022	12.3
2023	10.3
Thereafter	15.6
Total lease payments	91.2
Less: imputed interest	(13.6		)
Total	$	77.6

Future minimum lease commitments under non-cancelable operating leases based on accounting standards applicable as of December 31, 2018 were as follows:

In millions	Operating Leases
2019	$	23.2
2020	17.6
2021	13.3
2022	11.1
2023	9.5
Thereafter	13.8
Total	$	88.5

Warranties and guarantees

In connection with the disposition of our businesses or product lines, we may agree to indemnify purchasers for various potential liabilities relating to the sold business, such as pre-closing tax, product liability, warranty, environmental, or other obligations. The subject matter, amounts and duration of any such indemnification obligations vary for each type of liability indemnified and may vary widely from transaction to transaction.

Generally, the maximum obligation under such indemnifications is not explicitly stated and as a result, the overall amount of these obligations cannot be reasonably estimated. Historically, we have not made significant payments for these indemnifications. We believe that if we were to incur a loss in any of these matters, the loss would not have a material adverse effect on our financial position, results of operations or cash flows.

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Pentair plc and Subsidiaries

Notes to condensed consolidated financial statements (unaudited)

We recognize, at the inception of a guarantee, a liability for the fair value of the obligation undertaken in issuing the guarantee. In connection with the disposition of the Valves & Controls business in 2017, we agreed to indemnify Emerson Electric Co. for certain pre-closing tax liabilities. We have recorded a liability representing the fair value of our expected future obligation for this matter.

We provide service and warranty policies on our products. Liability under service and warranty policies is based upon a review of historical warranty and service claim experience. Adjustments are made to accruals as claim data and historical experience warrant.

The changes in the carrying amount of service and product warranties of continuing operations for the three months endedMarch 31, 2019 were as follows:

In millions	March 31, 2019
Beginning balance	$	33.9
Service and product warranty provision	11.2
Payments	(10.5		)
Ending balance	$	34.6

Stand-by letters of credit, bank guarantees and bonds

In certain situations, Tyco International Ltd., Pentair Ltd.’s former parent company (“Tyco”), guaranteed performance by the flow control business of Pentair Ltd. (“Flow Control”) to third parties or provided financial guarantees for financial commitments of Flow Control. In situations where Flow Control and Tyco were unable to obtain a release from these guarantees in connection with the spin-off of Flow Control from Tyco, we will indemnify Tyco for any losses it suffers as a result of such guarantees.

In disposing of assets or businesses, we often provide representations, warranties and indemnities to cover various risks including unknown damage to the assets, environmental risks involved in the sale of real estate, liability to investigate and remediate environmental contamination at waste disposal sites and manufacturing facilities and unidentified tax liabilities and legal fees related to periods prior to disposition. We do not have the ability to reasonably estimate the potential liability due to the inchoate and unknown nature of these potential liabilities. However, we have no reason to believe that these uncertainties would have a material adverse effect on our financial position, results of operations or cash flows.

In the ordinary course of business, we are required to commit to bonds, letters of credit and bank guarantees that require payments to our customers for any non-performance. The outstanding face value of these instruments fluctuates with the value of our projects in process and in our backlog. In addition, we issue financial stand-by letters of credit primarily to secure our performance to third parties under self-insurance programs.

As of March 31, 2019 and December 31, 2018, the outstanding value of bonds, letters of credit and bank guarantees totaled $121.6 million and $123.6 million, respectively.

16. Supplemental Guarantor Information

Pentair plc (the “Parent Company Guarantor”) and PISG (the “Subsidiary Guarantor”), fully and unconditionally, guarantee the Notes of PFSA (the “Subsidiary Issuer”). The Subsidiary Guarantor is a Switzerland limited liability company and 100 percent-owned subsidiary of the Parent Company Guarantor. The Subsidiary Issuer is a Luxembourg private limited liability company and 100 percent-owned subsidiary of the Subsidiary Guarantor. The guarantees provided by the Parent Company Guarantor and Subsidiary Guarantor are joint and several.

The following supplemental financial information sets forth the Company’s Condensed Consolidating Statements of Operations and Comprehensive Income (Loss), Condensed Consolidating Balance Sheets and Condensed Consolidating Statements of Cash Flows by relevant group within the Company: Pentair plc and PISG as the guarantors, PFSA as issuer of the debt and all other non-guarantor subsidiaries. Condensed consolidating financial information for Pentair plc, PISG and PFSA on a stand-alone basis is presented using the equity method of accounting for subsidiaries.

20

Pentair plc and Subsidiaries

Notes to condensed consolidated financial statements (unaudited)

Condensed Consolidating Statement of Operations and Comprehensive Income (Loss)

Three months endedMarch 31, 2019

In millions	Parent Company Guarantor			Subsidiary Guarantor			Subsidiary Issuer			Non-guarantor Subsidiaries			Eliminations			Consolidated Total
Net sales	$	—		$	—		$	—		$	688.9		$	—		$	688.9
Cost of goods sold	—			—			—			453.3			—			453.3
Gross profit	—			—			—			235.6			—			235.6
Selling, general and administrative expenses	3.0			0.1			0.3			143.9			—			147.3
Research and development expenses	—			—			—			20.7			—			20.7
Operating (loss) income	(3.0		)	(0.1		)	(0.3		)	71.0			—			67.6
(Earnings) loss from continuing operations of investment in subsidiaries	(55.4		)	(56.9		)	(57.7		)	—			170.0			—
Other (income) expense:
Gain on sale of business	—			—			—			(3.5		)	—			(3.5		)
Net interest expense	—			1.4			0.5			5.4			—			7.3
Other expense	—			—			—			0.6			—			0.6
Income (loss) from continuing operations before income taxes	52.4			55.4			56.9			68.5			(170.0		)	63.2
Provision for income taxes	—			—			—			10.8			—			10.8
Net income (loss) from continuing operations	52.4			55.4			56.9			57.7			(170.0		)	52.4
Loss from discontinued operations, net of tax	—			—			—			(1.1		)	—			(1.1		)
(Loss) earnings from discontinued operations of investment in subsidiaries	(1.1		)	(1.1		)	(1.1		)	—			3.3			—
Net income (loss)	$	51.3		$	54.3		$	55.8		$	56.6		$	(166.7	)	$	51.3
Comprehensive income (loss), net of tax
Net income (loss)	$	51.3		$	54.3		$	55.8		$	56.6		$	(166.7	)	$	51.3
Changes in cumulative translation adjustment	(1.6		)	(1.6		)	(1.6		)	(1.6		)	4.8			(1.6		)
Changes in market value of derivative financial instruments, net of tax	4.3			4.3			4.3			4.3			(12.9		)	4.3
Comprehensive income (loss)	$	54.0		$	57.0		$	58.5		$	59.3		$	(174.8	)	$	54.0

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Notes to condensed consolidated financial statements (unaudited)

Condensed Consolidating Balance Sheet

March 31, 2019

In millions	Parent Company Guarantor		Subsidiary Guarantor		Subsidiary Issuer		Non-guarantor Subsidiaries		Eliminations			Consolidated Total
Assets
Current assets
Cash and cash equivalents	$	0.1	$	—	$	—	$	78.8	$	—		$	78.9
Accounts and notes receivable, net	—		—		6.3		645.7		(6.3		)	645.7
Inventories	—		—		—		421.8		—			421.8
Other current assets	3.1		—		0.1		102.0		—			105.2
Total current assets	3.2		—		6.4		1,248.3		(6.3		)	1,251.6
Property, plant and equipment, net	—		—		—		279.1		—			279.1
Other assets
Investments in subsidiaries	1,965.9		2,099.7		2,740.2		—		(6,805.8		)	—
Goodwill	—		—		—		2,283.0		—			2,283.0
Intangibles, net	—		—		—		361.5		—			361.5
Other non-current assets	23.4		—		1,319.5		813.1		(1,949.0		)	207.0
Total other assets	1,989.3		2,099.7		4,059.7		3,457.6		(8,754.8		)	2,851.5
Total assets	$	1,992.5	$	2,099.7	$	4,066.1	$	4,985.0	$	(8,761.1	)	$	4,382.2
Liabilities and Equity
Current liabilities
Accounts payable	$	6.3	$	—	$	—	$	265.3	$	(6.3	)	$	265.3
Employee compensation and benefits	0.3		0.1		—		93.8		—			94.2
Other current liabilities	35.7		1.3		6.7		302.1		—			345.8
Total current liabilities	42.3		1.4		6.7		661.2		(6.3		)	705.3
Other liabilities
Long-term debt	59.7		132.4		1,959.9		1,167.7		(1,949.0		)	1,370.7
Pension and other post-retirement compensation and benefits	—		—		—		89.8		—			89.8
Deferred tax liabilities	—		—		—		124.6		—			124.6
Other non-current liabilities	20.1		—		—		201.3		—			221.4
Total liabilities	122.1		133.8		1,966.6		2,244.6		(1,955.3		)	2,511.8
Equity	1,870.4		1,965.9		2,099.5		2,740.4		(6,805.8		)	1,870.4
Total liabilities and equity	$	1,992.5	$	2,099.7	$	4,066.1	$	4,985.0	$	(8,761.1	)	$	4,382.2

22

Pentair plc and Subsidiaries

Notes to condensed consolidated financial statements (unaudited)

Condensed Consolidating Statement of Cash Flows

Three months endedMarch 31, 2019

In millions	Parent Company Guarantor			Subsidiary Guarantor			Subsidiary Issuer			Non-guarantor Subsidiaries			Eliminations			Consolidated Total
Operating activities
Net cash provided by (used for) operating activities	$	(31.8	)	$	57.1		$	54.6		$	(172.8	)	$	(163.4	)	$	(256.3	)
Investing activities
Capital expenditures	—			—			—			(16.8		)	—			(16.8		)
Proceeds from sale of property and equipment	—			—			—			0.3			—			0.3
Proceeds from the sale of businesses	—			—			—			0.7			—			0.7
Acquisitions, net of cash acquired	—			—			—			(287.2		)	—			(287.2		)
Net intercompany loan activity	—			—			(627.8		)	(21.9		)	649.7			—
Other	—			—			—			(1.5		)	—			(1.5		)
Net cash provided by (used for) investing activities	—			—			(627.8		)	(326.4		)	649.7			(304.5		)
Financing activities
Net receipts (repayments) of commercial paper and revolving long-term debt	—			—			605.2			(21.1		)	—			584.1
Net change in advances to subsidiaries	56.9			(57.1		)	(33.6		)	520.1			(486.3		)	—
Shares issued to employees, net of shares withheld	5.9			—			—			—			—			5.9
Dividends paid	(31.0		)	—			—			—			—			(31.0		)
Net cash provided by (used for) financing activities	31.8			(57.1		)	571.6			499.0			(486.3		)	559.0
Effect of exchange rate changes on cash and cash equivalents	—			—			1.5			4.9			—			6.4
Change in cash and cash equivalents	—			—			(0.1		)	4.7			—			4.6
Cash and cash equivalents, beginning of period	0.1			—			0.1			74.1			—			74.3
Cash and cash equivalents, end of period	$	0.1		$	—		$	—		$	78.8		$	—		$	78.9

23

Pentair plc and Subsidiaries

Notes to condensed consolidated financial statements (unaudited)

Condensed Consolidating Statement of Operations and Comprehensive Income (Loss)

Three months ended March 31, 2018

In millions	Parent Company Guarantor			Subsidiary Guarantor			Subsidiary Issuer			Non-guarantor Subsidiaries			Eliminations			Consolidated Total
Net sales	$	—		$	—		$	—		$	732.6		$	—		$	732.6
Cost of goods sold	—			—			—			479.3			—			479.3
Gross profit	—			—			—			253.3			—			253.3
Selling, general and administrative expenses	7.1			—			0.1			134.6			—			141.8
Research and development expenses	—			—			—			18.8			—			18.8
Operating (loss) income	(7.1		)	—			(0.1		)	99.9			—			92.7
(Earnings) loss from continuing operations of investment in subsidiaries	(65.5		)	(65.2		)	(77.9		)	—			208.6			—
Other (income) expense:
Loss on sale of business	—			—			—			5.3			—			5.3
Net interest (income) expense	—			(0.3		)	12.6			1.2			—			13.5
Other expense	—			—			—			0.4			—			0.4
Income (loss) from continuing operations before income taxes	58.4			65.5			65.2			93.0			(208.6		)	73.5
Provision for income taxes	—			—			—			15.1			—			15.1
Net income (loss) from continuing operations	58.4			65.5			65.2			77.9			(208.6		)	58.4
Income from discontinued operations, net of tax	—			—			—			44.5			—			44.5
Earnings (loss) from discontinued operations of investment in subsidiaries	44.5			44.5			44.5			—			(133.5		)	—
Net income (loss)	$	102.9		$	110.0		$	109.7		$	122.4		$	(342.1	)	$	102.9
Comprehensive income (loss), net of tax
Net income (loss)	$	102.9		$	110.0		$	109.7		$	122.4		$	(342.1	)	$	102.9
Changes in cumulative translation adjustment	2.4			2.4			2.4			2.4			(7.2		)	2.4
Changes in market value of derivative financial instruments, net of tax	(3.8		)	(3.8		)	(3.8		)	(3.8		)	11.4			(3.8		)
Comprehensive income (loss)	$	101.5		$	108.6		$	108.3		$	121.0		$	(337.9	)	$	101.5

24

Pentair plc and Subsidiaries

Notes to condensed consolidated financial statements (unaudited)

Condensed Consolidating Balance Sheet

December 31, 2018

In millions	Parent Company Guarantor		Subsidiary Guarantor		Subsidiary Issuer		Non-guarantor Subsidiaries		Eliminations			Consolidated Total
Assets
Current assets
Cash and cash equivalents	$	0.1	$	—	$	0.1	$	74.1	$	—		$	74.3
Accounts and notes receivable, net	4.6		—		—		483.6		—			488.2
Inventories	—		—		—		387.5		—			387.5
Other current assets	3.4		—		2.2		99.2		(15.4		)	89.4
Total current assets	8.1		—		2.3		1,044.4		(15.4		)	1,039.4
Property, plant and equipment, net	—		—		—		272.6		—			272.6
Other assets
Investments in subsidiaries	1,903.8		2,036.1		2,675.7		—		(6,615.6		)	—
Goodwill	—		—		—		2,072.7		—			2,072.7
Intangibles, net	—		—		—		276.3		—			276.3
Other non-current assets	23.3		—		696.1		729.7		(1,303.6		)	145.5
Total other assets	1,927.1		2,036.1		3,371.8		3,078.7		(7,919.2		)	2,494.5
Total assets	$	1,935.2	$	2,036.1	$	3,374.1	$	4,395.7	$	(7,934.6	)	$	3,806.5
Liabilities and Equity
Current liabilities
Accounts payable	$	0.9	$	—	$	—	$	377.7	$	—		$	378.6
Employee compensation and benefits	0.2		—		—		111.5		—			111.7
Other current liabilities	47.6		1.5		4.4		290.3		(15.4		)	328.4
Total current liabilities	48.7		1.5		4.4		779.5		(15.4		)	818.7
Other liabilities
Long-term debt	29.9		130.8		1,333.9		596.6		(1,303.6		)	787.6
Pension and other post-retirement compensation and benefits	—		—		—		90.0		—			90.0
Deferred tax liabilities	—		—		—		105.9		—			105.9
Other non-current liabilities	20.5		—		—		147.7		—			168.2
Total liabilities	99.1		132.3		1,338.3		1,719.7		(1,319.0		)	1,970.4
Equity	1,836.1		1,903.8		2,035.8		2,676.0		(6,615.6		)	1,836.1
Total liabilities and equity	$	1,935.2	$	2,036.1	$	3,374.1	$	4,395.7	$	(7,934.6	)	$	3,806.5

25

Pentair plc and Subsidiaries

Notes to condensed consolidated financial statements (unaudited)

Condensed Consolidating Statement of Cash Flows

Three months endedMarch 31, 2018

In millions	Parent Company Guarantor			Subsidiary Guarantor			Subsidiary Issuer			Non-guarantor Subsidiaries			Eliminations			Consolidated Total
Operating activities
Net cash provided by (used for) operating activities	$	82.8		$	111.6		$	109.3		$	4.3		$	(475.6	)	$	(167.6	)
Investing activities
Capital expenditures	—			—			—			(11.5		)	—			(11.5		)
Proceeds from sale of property and equipment	—			—			—			—			—			—
Proceeds from sale of businesses, net	—			—			—			(13.8		)	—			(13.8		)
Acquisitions, net of cash acquired	—			—			—			(0.9		)	—			(0.9		)
Net intercompany loan activity	—			(1.9		)	(262.6		)	103.1			161.4			—
Net cash provided by (used for) investing activities of continuing operations	—			(1.9		)	(262.6		)	76.9			161.4			(26.2		)
Net cash provided by (used for) investing activities of discontinued operations	—			—			—			(5.0		)	—			(5.0		)
Net cash provided by (used for) investing activities	—			(1.9		)	(262.6		)	71.9			161.4			(31.2		)
Financing activities
Net repayments of commercial paper and revolving long-term debt	—			—			223.8			193.7			—			417.5
Net change in advances to subsidiaries	129.8			(109.7		)	(91.6		)	(242.7		)	314.2			—
Shares issued to employees, net of shares withheld	0.9			—			—			—			—			0.9
Repurchases of ordinary shares	(150.0		)	—			—			—			—			(150.0		)
Dividends paid	(63.3		)	—			—			—			—			(63.3		)
Net cash provided by (used for) financing activities of continuing operations	(82.6		)	(109.7		)	132.2			(49.0		)	314.2			205.1
Net cash provided by financing activities of discontinued operations	—			—			—			792.7			—			792.7
Net cash provided by (used for) financing activities	(82.6		)	(109.7		)	132.2			743.7			314.2			997.8
Change in cash held for sale	—			—			—			(809.7		)	—			(809.7		)
Effect of exchange rate changes on cash and cash equivalents	—			—			21.1			(25.9		)	—			(4.8		)
Change in cash and cash equivalents	0.2			—			—			(15.7		)	—			(15.5		)
Cash and cash equivalents, beginning of period	—			—			—			86.3			—			86.3
Cash and cash equivalents, end of period	$	0.2		$	—		$	—		$	70.6		$	—		$	70.8

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ITEM 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Forward-looking Statements

This report contains statements that we believe to be “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. All statements, other than statements of historical fact are forward-looking statements. Without limitation, any statements preceded or followed by or that include the words “targets,” “plans,” “believes,” “expects,” “intends,” “will,” “likely,” “may,” “anticipates,” “estimates,” “projects,” “should,” “would,” “positioned,” “strategy,” “future” or words, phrases or terms of similar substance or the negative thereof, are forward-looking statements. These forward-looking statements are not guarantees of future performance and are subject to risks, uncertainties, assumptions and other factors, some of which are beyond our control, which could cause actual results to differ materially from those expressed or implied by such forward-looking statements. These factors include overall global economic and business conditions impacting our business, including the strength of housing and related markets; demand, competition and pricing pressures in the markets we serve; volatility in currency exchange rates; failure of markets to accept new product introductions and enhancements; the ability to successfully identify, finance, complete and integrate acquisitions; the ability to successfully integrate the Aquion, Inc. (“Aquion”) and Pelican Water Systems (“Pelican”) acquisitions; the ability to achieve the benefits of our restructuring plans and cost reduction initiatives; risks associated with operating foreign businesses; the impact of material cost and other inflation; the impact of seasonality of sales and weather conditions; our ability to comply with laws and regulations; the impact of changes in laws, regulations and administrative policy, including those that limit U.S. tax benefits or impact trade agreements and tariffs; the outcome of litigation and governmental proceedings; the ability to realize the anticipated benefits from the Separation (as defined below); and the ability to achieve our long-term strategic operating goals. Additional information concerning these and other factors is contained in our filings with the U.S. Securities and Exchange Commission (the “SEC”), including this Quarterly Report on Form 10-Q. All forward-looking statements speak only as of the date of this report. Pentair assumes no obligation, and disclaims any obligation, to update the information contained in this report.

Overview

The terms “us,” “we,” “our” or “Pentair” refer to Pentair plc and its consolidated subsidiaries. At Pentair, we believe the health of our world depends on reliable access to clean water. We deliver a comprehensive range of smart, sustainable water solutions to homes, business and industry around the world. Our industry leading and proven portfolio of solutions enables our customers to access clean, safe water, reduce water consumption, and recover and reuse it. Whether it’s improving, moving or helping people enjoy water, we help manage the world’s most precious resource. We are comprised of three reporting segments: Aquatic Systems, Filtration Solutions and Flow Technologies. For the first three months of 2019, the Aquatic Systems, Filtration Solutions and Flow Technologies segments represented approximately 32%, 35% and 33% of total revenues, respectively. We classify our operations into business segments based primarily on types of products offered and markets served:

• Aquatic Systems— This segment manufactures and sells a complete line of energy-efficient residential and commercial pool equipment and accessories including pumps, filters, heaters, lights, automatic controls, automatic cleaners, maintenance equipment and pool accessories. Applications for our Aquatic Systems products include residential and commercial pool maintenance, pool repair, renovation, service and construction and aquaculture solutions.

• Filtration Solutions— This segment manufactures and sells water and fluid treatment products and systems, including pressure tanks and vessels, control valves, activated carbon products, conventional filtration products, point-of-entry and point-of-use systems, gas recovery solutions, membrane bioreactors, wastewater reuse systems and advanced membrane filtration and separation systems into the global residential, industrial and commercial markets. These products are used in a range of applications, including use in fluid filtration, ion exchange, desalination, food and beverage, food service and separation technologies for the oil and gas industry. 

• Flow Technologies— This segment manufactures and sells products ranging from light-duty diaphragm pumps to high-flow turbine pumps and solid handling pumps while serving the global residential, commercial and industrial markets. These pumps are used in a range of applications, including residential and municipal wells, water treatment, wastewater solids handling, pressure boosting, fluid delivery, circulation and transfer, fire suppression, flood control, agricultural irrigation and crop spray.

27

On April 30, 2018, we completed the previously announced separation of our Electrical business from the rest of Pentair (the “Separation”) by means of a dividend in specie of the Electrical business, which was effected by the transfer of the Electrical business from Pentair to nVent and the issuance by nVent of nVent ordinary shares directly to Pentair shareholders (the “Distribution”). We did not retain an equity interest in nVent. The results of the Electrical business have been presented as discontinued operations for all periods presented. The Electrical business was previously disclosed as a stand-alone reporting segment.

In February 2019, as part of Filtration Solutions, we completed the acquisitions of Aquion and Pelican for $164.7 million and $122.5 million in cash, net of cash acquired, respectively. Aquion offers a diverse line of water conditioners, water filters, drinking-water purifiers, ozone and ultraviolet disinfection systems, reverse osmosis systems and acid neutralizers for the residential and commercial water treatment industry. Pelican provides residential whole home water treatment systems.

Key Trends and Uncertainties Regarding Our Existing Business

The following trends and uncertainties affected our financial performance in the first three months of 2019 and may impact our results in the future:

• Wet and cold weather delayed pool construction activity in several key markets during the three months ended March 31, 2019. In addition, we have seen moderating growth in several of our end markets, primarily in our Filtration Solutions end markets in Europe. We have not seen any significant changes in demand trends within the important Aquatic Systems markets. The inclement weather also impacted our higher margin Specialty Ag Spray business within our Flow Technologies segment. As a result of slower sell-through during the first quarter of 2019, inventory levels were not reduced to the levels we originally anticipated.  We expect inventory levels in the channel to come down as stronger sell-through resumes in the second and third quarters of 2019. Our financial results for future quarters may be negatively impacted if stronger inventory sell-through or end market growth does not resume in future quarters.

• We have identified specific product and geographic market opportunities that we find attractive and continue to pursue, both within and outside the U.S. We are reinforcing our businesses to more effectively address these opportunities through research and development and additional sales and marketing resources. Unless we successfully penetrate these markets, our core sales growth will likely be limited or may decline.

• We have experienced material and other cost inflation. We strive for productivity improvements, and we implement increases in selling prices to help mitigate this inflation. We expect the current economic environment will result in continuing price volatility for many of our raw materials, and we are uncertain as to the timing and impact of these market changes.

• Proposed regulations as part of the Tax Cuts and Jobs Act, enacted in the U.S. in December 2017, may place limitations on the deductibility of certain interest expense for U.S. tax purposes. These proposed regulations could materially adversely affect our financial condition, results of operations, cash flows or our effective tax rate in future reporting periods when enacted.

In 2019, our operating objectives include the following:

• Accelerating the Pentair Integrated Management System (“PIMS”), with specific focus on the area of commercial excellence and acquisition integrations;

• Delivering our growth priorities through new products and global and market expansion, specifically in the areas of pool and residential and commercial water treatment especially through acquisitions and focus on China and Southeast Asia;

• Optimizing our technological capabilities to increasingly generate innovative new products and advance digital transformation; and

• Building a growth culture and delivering on our commitments while living our Win Right values.

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CONSOLIDATED RESULTS OF OPERATIONS

The consolidated results of operations for the three months endedMarch 31, 2019 and March 31, 2018 were as follows:

	Three months ended
In millions	March 31, 2019			March 31, 2018			$  Change			% / Point  Change
Net sales	$	688.9		$	732.6		$	(43.7	)	(6.0	)%
Cost of goods sold	453.3			479.3			(26.0		)	(5.4	)%
Gross profit	235.6			253.3			(17.7		)	(7.0	)%
% of net sales	34.2		%	34.6		%				(0.4	) pts
Selling, general and administrative expenses	147.3			141.8			5.5			3.9	%
% of net sales	21.4		%	19.4		%				2.0	pts
Research and development expenses	20.7			18.8			1.9			10.1	%
% of net sales	3.0		%	2.6		%				0.4	pts
Operating income	67.6			92.7			(25.1		)	(27.1	)%
% of net sales	9.8		%	12.7		%				(2.9	) pts
(Gain) loss on sale of business	(3.5		)	5.3			(8.8		)	(166.0	)%
Other expense	0.6			0.4			0.2			50.0	%
Net interest expense	7.3			13.5			(6.2		)	(45.9	)%
Income from continuing operations before income taxes	63.2			73.5			(10.3		)	(14.0	)%
Provision for income taxes	10.8			15.1			(4.3		)	(28.5	)%
Effective tax rate	17.1		%	20.5		%				(3.4	) pts

Net sales

The components of the consolidated net sales change from the prior period were as follows:

	Three months ended March 31, 2019
	over the prior year period
Volume	(6.2	)%
Price	2.0
Core growth	(4.2	)
Acquisition (divestiture)	0.6
Currency	(2.4	)
Total	(6.0	)%

The 6.0 percentage point decrease in net sales in the first quarter of 2019 from 2018 was primarily driven by:

• decreased sales volume in our Aquatic Systems segment and agriculture-related business in our Flow Technologies segment due to cold and wet weather and higher than anticipated inventory levels in some of our key distribution channels; and

• unfavorable foreign currency effects for the three months ended March 31, 2019.

This decrease was partially offset by:

• selective increases in selling prices; and

• the impact of the Aquion and Pelican acquisitions.

29

Gross profit

The 0.4 percentage point decrease in gross profit as a percentage of sales in the first quarter of 2019 from 2018 was primarily driven by:

• unfavorable mix as a result of a 6.4 percent core growth decrease in the higher margin Aquatic Systems segment; and

• inflationary increases related to labor costs and certain raw materials.

This decrease was partially offset by:

• selective increases in selling prices to mitigate inflationary cost increases; and

• higher contribution margin as a result of savings generated from our PIMS initiatives including lean and supply management practices.

Selling, general and administrative expenses (“SG&A”)

The 2.0 percentage point increase in SG&A as a percentage of sales in the first quarter of 2019 from 2018 was primarily driven by:

• a one-time asset impairment of $15.3 million; and

• increased investment in sales and marketing to drive growth.

This increase was partially offset by:

• restructuring and other costs of $1.1 million in the first quarter of 2019 compared to $5.6 million in the first quarter of 2018; and

• savings generated from restructuring and other lean initiatives.

Net interest expense

The 45.9 percent decrease in net interest expense in the first quarter of 2019 from 2018 was primarily driven by:

• the impact of lower debt levels during the first quarter of 2019, compared to the comparable periods in 2018. In June 2018, the proceeds from the Separation were utilized to repay the remaining $255.3 million aggregate principal amount of our 2.9% fixed rate senior notes due 2018 and for the early extinguishment of €363.4 million aggregate principal amount of our 2.45% senior notes due 2019.

This decrease was partially offset by:

• increased expense due to a higher outstanding commercial paper balance in 2019 compared to 2018, which was primarily used to fund the Aquion and Pelican acquisitions.

Provision for income taxes

The 3.4 percentage point decrease in the effective tax rate in the first quarter of 2019 from 2018 was primarily driven by:

•the mix of global earnings; and

•the impact of less nondeductible interest expense in 2019 compared to 2018.

SEGMENT RESULTS OF OPERATIONS

The summary that follows provides a discussion of the results of operations of each of our three reportable segments (Aquatic Systems, Filtration Solutions and Flow Technologies). Each of these segments is comprised of various product offerings that serve multiple end users.

We evaluate performance based on sales and segment income and use a variety of ratios to measure performance of our reporting segments. Segment income represents equity income of unconsolidated subsidiaries and operating income exclusive of intangible amortization, certain acquisition related expenses, costs of restructuring activities, impairments and other unusual non-operating items.

30

Aquatic Systems

The net sales and segment income for Aquatic Systems were as follows:

	Three months ended
In millions	March 31, 2019			March 31, 2018			% / Point Change
Net sales	$	220.5		$	240.4		(8.3	)%
Segment income	52.4			60.0			(12.7	)%
% of net sales	23.8		%	25.0		%	(1.2	) pts

Net sales

The components of the change inAquatic Systemsnet sales from the prior period were as follows:

	Three months ended March 31, 2019
	over the prior year period
Volume	(10.0	)%
Price	3.6
Core growth	(6.4	)
Acquisition (divestiture)	(1.1	)
Currency	(0.8	)
Total	(8.3	)%

The 8.3 percent decrease in net sales for Aquatic Systems in the first quarter of 2019 from 2018 was primarily driven by:

• sales volume declines due to cold, wet weather and higher than anticipated inventory levels in some of our key distribution channels impacting our residential and commercial businesses;

• the impact of divestitures; and

• unfavorable foreign currency effects compared to the same period of the prior year.

This decrease was partially offset by:

• selective increases in selling prices.

Segment income

The components of the change in Aquatic Systems segment income as a percentage of net sales from the prior period were as follows:

	Three months ended March 31, 2019
	over the prior year period
Growth	(2.2	) pts
Inflation	(3.2	)
Productivity/Price	4.2
Total	(1.2	)  pts

The 1.2 percentage point decrease in segment income for Aquatic Systems as a percentage of net sales in the first quarter of 2019 from 2018 was primarily driven by:

• inflationary increases related to labor costs and certain raw materials; and

• sales declines in our residential and commercial businesses.

31

This decrease was partially offset by:

• selective increases in selling prices to mitigate impacts of inflation; and

• increased productivity.

Filtration Solutions

The net sales and segment income for Filtration Solutions were as follows:

	Three months ended
In millions	March 31, 2019			March 31, 2018			% / Point Change
Net sales	$	239.3		$	251.6		(4.9	)%
Segment income	33.7			33.7			—
% of net sales	14.1		%	13.4		%	0.7	pts

Net sales

The components of the change in Filtration Solutions net sales from the prior period were as follows:

	Three months ended March 31, 2019
	over the prior year period
Volume	(7.1	)%
Price	1.1
Core growth	(6.0	)
Acquisition (divestiture)	4.8
Currency	(3.7	)
Total	(4.9	)%

The 4.9 percent decrease in net sales for Filtration Solutions in the first quarter of 2019 from 2018 was primarily driven by:

• decreased sales volume in our residential and commercial businesses, partially due to lower component sales as Aquion sales are now considered intercompany;

• modest sales declines in Europe;

• unfavorable foreign currency effects compared to the same period of the prior year.

This decrease was partially offset by:

• selective increases in selling prices to mitigate inflationary cost increases; and

• increased sales due to the Aquion and Pelican acquisitions.

32

Segment income

The components of the change in Filtration Solutions segment income as a percentage of net sales from the prior period were as follows:

	Three months ended March 31, 2019
	over the prior year period
Growth	0.1	pts
Inflation	(2.9	)
Productivity/Price	3.5
Total	0.7	pts

The 0.7 percentage point increase in segment income for Filtration Solutions as a percentage of net sales in the first quarter of 2019 from 2018 was primarily driven by:

• selective increases in selling prices to mitigate inflationary cost increases;

• increased productivity and positive mix; and

• the impact of the Aquion and Pelican acquisitions.

The increase was partially offset by:

• inflationary increases related to labor costs and certain raw materials.

Flow Technologies

The net sales and segment income for Flow Technologies were as follows:

	Three months ended
In millions	March 31, 2019			March 31, 2018			% / Point Change
Net sales	$	228.7		$	240.3		(4.8	)%
Segment income	30.1			38.7			(22.2	)%
% of net sales	13.2		%	16.1		%	(2.9	) pts

Net sales

The components of the change in Flow Technologies net sales from the prior period were as follows:

	Three months ended March 31, 2019
	over the prior year period
Volume	(1.5	)%
Price	1.2
Core growth	(0.3	)
Acquisition (divestiture)	(2.1	)
Currency	(2.4	)
Total	(4.8	)%

The 4.8 percent decrease in net sales for Flow Technologies in the first quarter of 2019 from 2018 was primarily driven by:

• unfavorable foreign currency effects compared to the same period of the prior year;

• the impact of divestitures; and

• decreased sales volume primarily in our higher margin, seasonal agriculture-related business due to cold, wet weather.

This decrease was partially offset by:

• selective increases in selling prices to mitigate inflationary cost increases.

33

Segment income

The components of the change in Flow Technologies segment income as a percentage of net sales from the prior period were as follows:

	Three months ended March 31, 2019
	over the prior year period
Growth	(1.1	) pts
Inflation	(3.6	)
Productivity/Price	1.8
Total	(2.9	) pts

The 2.9 percentage point decrease in segment income for Flow Technologies as a percentage of net sales in the first quarter of 2019 from 2018 was primarily driven by:

• decreased sales volumes in our higher margin Specialty Ag Spray business, which resulted in decreased leverage on operating expenses;

• inflationary increases related to labor costs and certain raw materials;

• the impact of divestitures; and

• decreased sales volume in our residential and industrial businesses.

The decrease was partially offset by:

• selective increases in selling prices to mitigate inflationary cost increases; and

• increased productivity.

LIQUIDITY AND CAPITAL RESOURCES

We generally fund cash requirements for working capital, capital expenditures, equity investments, acquisitions, debt repayments, dividend payments and share repurchases from cash generated from operations, availability under existing committed revolving credit facilities and in certain instances, public and private debt and equity offerings. Our primary revolving credit facilities have generally been adequate for these purposes, although we have negotiated additional credit facilities or completed debt and equity offerings as needed to allow us to complete acquisitions. We intend to issue commercial paper to fund our financing needs on a short-term basis and use our revolving credit facility as back-up liquidity to support commercial paper.

We are focusing on increasing our cash flow and repaying existing debt, while continuing to fund our research and development, marketing and capital investment initiatives. Our intent is to maintain investment grade credit ratings and a solid liquidity position.

We experience seasonal cash flows primarily due to seasonal demand in a number of markets. We generally borrow in the first quarter of our fiscal year for operational purposes, which usage reverses in the second quarter as the seasonality of our businesses peaks. End-user demand for pool and certain pumping equipment follows warm weather trends and is at seasonal highs from April to August. The magnitude of the sales spike is partially mitigated by employing some advance sale “early buy” programs (generally including extended payment terms and/or additional discounts). Demand for residential and agricultural water systems is also impacted by weather patterns, particularly by heavy flooding and droughts.

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Operating activities

Cash used for operating activities of continuing operations was $257.1 million in the first three months of 2019, compared to $194.0 million in the same period of 2018.

The $257.1 million in net cash used for operating activities of continuing operations in the first three months of 2019 primarily reflects an increase in net working capital. Operating cash flows in the first three months of 2019 were negatively impacted by $344.1 million due to the increase in net working capital, primarily the result of an increase in accounts receivable in anticipation of our distributors’ peak sales season in the second and third quarters. The increase in net working capital was offset by $87.9 million of net income from continuing operations, net of non-cash depreciation, amortization and asset impairments.

The $194.0 million in net cash used for operating activities of continuing operations in the first three months of 2018 primarily reflects an increase in net working capital of $278.4 million, offset by $80.3 million of net income from continuing operations, net of non-cash depreciation and amortization.

Investing activities

Cash used for investing activities of continuing operations was $304.5 million in the first three months of 2019, compared to $26.2 million in the same period of 2018. Net cash used for investing activities of continuing operations in the first three months of 2019 primarily reflects capital expenditures of $16.8 million and cash paid for the Aquion and Pelican acquisitions of $287.2 million, net of cash acquired.

Net cash used for investing activities of continuing operations in the first three months of 2018 primarily reflects cash paid for the settlement of a working capital adjustment related to the sale of the Valves & Controls business and capital expenditures of $11.5 million.

Financing activities

Net cash provided by financing activities of continuing operations was $559.0 million in the first three months of 2019, compared with $205.1 million in the prior year period. Net cash provided by financing activities of continuing operations in the first three months of 2019 primarily relates to net receipts of commercial paper and revolving long-term debt of $584.1 million used to fund the Aquion and Pelican acquisitions and our working capital needs, partially offset by payment of dividends of $31.0 million.

Net cash provided by financing activities of continuing operations in the first three months2018 primarily relates to net receipts of commercial paper and revolving long-term debt of $417.5 million, partially offset by $150.0 million of share repurchases and $63.3 million for the payment of dividends.

In April 2018, Pentair, Pentair Investments Switzerland GmbH (“PISG”), Pentair Finance S.à r.l. (“PFSA”) and Pentair, Inc. entered into a credit agreement, providing for a five-year $800.0 million senior unsecured revolving credit facility (the “Senior Credit Facility”), with Pentair and PISG as guarantors and PFSA and Pentair, Inc. as borrowers. The Senior Credit Facility replaced PFSA’s existing credit facility under that certain Amended and Restated Credit Agreement, dated as of October 3, 2014. The Senior Credit Facility has a maturity date of April 25, 2023. Borrowings under the Senior Credit Facility bear interest at a rate equal to an adjusted base rate or the London Interbank Offered Rate, plus, in each case, an applicable margin. The applicable margin is based on, at PFSA’s election, Pentair’s leverage level or PFSA’s public credit rating.

PFSA is authorized to sell short-term commercial paper notes to the extent availability exists under the Senior Credit Facility. PFSA uses the Senior Credit Facility as back-up liquidity to support 100% of commercial paper outstanding. PFSA had $681.2 million of commercial paper outstanding as of March 31, 2019 and $76.0 million as of December 31, 2018, all of which was classified as long-term debt as we have the intent and the ability to refinance such obligations on a long-term basis under the Senior Credit Facility.

Total availability under the Senior Credit Facility was $113.8 million as of March 31, 2019. Additionally, PFSA has the option to request to increase the Senior Credit Facility in an aggregate amount of up to $300.0 million, subject to customary conditions, including the commitment of the participating lenders. We anticipate that, during the second quarter of 2019, PFSA will request an increase in the Senior Credit Facility of $100.0 million pursuant to such option.

Our debt agreements contain various financial covenants, but the most restrictive covenants are contained in the Senior Credit Facility. The Senior Credit Facility contains covenants requiring us not to permit (i) the ratio of our consolidated debt (net of our consolidated unrestricted cash in excess of $5.0 million but not to exceed $250.0 million) to our consolidated net income (excluding, among other things, non-cash gains and losses) before interest, taxes, depreciation, amortization and non-cash share-based compensation expense (“EBITDA”) on the last day of any period of four consecutive fiscal quarters to exceed 3.75

35

to 1.00 (the “Leverage Ratio”) and (ii) the ratio of our EBITDA to our consolidated interest expense, for the same period to be less than 3.00 to 1.00 as of the end of each fiscal quarter. For purposes of the Leverage Ratio, the Senior Credit Facility provides for the calculation of EBITDA giving pro forma effect to certain acquisitions, divestitures and liquidations during the period to which such calculation relates. As of March 31, 2019, we were in compliance with all financial covenants in our debt agreements.

In addition to the Senior Credit Facility, we have various other credit facilities with an aggregate availability of $21.2 million, of which there were no outstanding borrowings at March 31, 2019. Borrowings under these credit facilities bear interest at variable rates.

We have $403.6 million aggregate principal amount of fixed rate senior notes maturing in the next twelve months. We classified this debt as long-term as of March 31, 2019 as we have the intent and ability to refinance such obligation on a long-term basis under the Senior Credit Facility.

As of March 31, 2019, we have $48.2 million of cash held in certain countries in which the ability to repatriate is limited due to local regulations or significant potential tax consequences.

We expect to continue to have cash requirements to support working capital needs and capital expenditures, to pay interest and service debt and to pay dividends to shareholders quarterly. We believe we have the ability and sufficient capacity to meet these cash requirements by using available cash and internally generated funds and to borrow under our committed and uncommitted credit facilities.

Share repurchases

In May 2018, the Board of Directors authorized the repurchase of our ordinary shares up to a maximum dollar limit of $750.0 million. The authorization expires on May 31, 2021. There were no share repurchases during the three months endedMarch 31, 2019. As of March 31, 2019, we had $400.0 million available for share repurchases.

Dividends payable

On December 10, 2018, the Board of Directors declared a quarterly cash dividend of $0.18, that was paid on February 8, 2019, to shareholders of record at the close of business on January 25, 2019. Additionally, the Board of Directors approved a plan to pay an annual cash dividend of $0.72 in 2019. Additionally, on February 19, 2019, the Board of Directors declared a quarterly cash dividend of $0.18 payable on May 3, 2019, to shareholders of record at the close of business on April 19, 2019. As a result, the balance of dividends payable included in Other current liabilitieson our Condensed Consolidated Balance Sheets was $30.9 million at March 31, 2019, compared to $30.8 million at December 31, 2018.

We paid dividends in the first three months of 2019 of $31.0 million, or $0.18 per ordinary share compared with $63.3 million, or $0.35 per ordinary share, in the prior year period.

Under Irish law, the payment of future cash dividends and repurchases of shares may be paid only out of Pentair plc’s “distributable reserves” on its statutory balance sheet. Pentair plc is not permitted to pay dividends out of share capital, which includes share premiums. Distributable reserves may be created through the earnings of the Irish parent company and through a reduction in share capital approved by the Irish High Court. Distributable reserves are not linked to a U.S. generally accepted accounting principles (“GAAP”) reported amount (e.g., retained earnings). Our distributable reserve balance was $6.5 billion as of December 31, 2018.

Other financial measures

In addition to measuring our cash flow generation or usage based upon operating, investing and financing classifications included in the Condensed Consolidated Statements of Cash Flows, we also measure our free cash flow. We have a long-term goal to consistently generate free cash flow that equals or exceeds 100 percent conversion of adjusted net income. Free cash flow is a non-GAAP financial measure that we use to assess our cash flow performance. We believe free cash flow is an important measure of liquidity because it provides us and our investors a measurement of cash generated from operations that is available to pay dividends, make acquisitions, repay debt and repurchase shares. In addition, free cash flow is used as a criterion to measure and pay compensation-based incentives. Our measure of free cash flow may not be comparable to similarly titled measures reported by other companies.

36

The following table is a reconciliation of free cash flow:

	Three months ended
In millions	March 31, 2019			March 31, 2018
Net cash used for operating activities of continuing operations	$	(257.1	)	$	(194.0	)
Capital expenditures of continuing operations	(16.8		)	(11.5		)
Proceeds from sale of property and equipment of continuing operations	0.3			—
Free cash flow from continuing operations	$	(273.6	)	$	(205.5	)
Net cash provided by operating activities of discontinued operations	0.8			26.4
Capital expenditures of discontinued operations	—			(5.3		)
Proceeds from sale of property and equipment of discontinued operations	—			2.3
Free cash flow	$	(272.8	)	$	(182.1	)

NEW ACCOUNTING STANDARDS

See Note 1 of the Notes to Condensed Consolidated Financial Statements for information pertaining to recently adopted accounting standards.

CRITICAL ACCOUNTING POLICIES

We have adopted various accounting policies to prepare the consolidated financial statements in accordance with GAAP. Certain of our accounting policies require the application of significant judgment by management in selecting the appropriate assumptions for calculating financial estimates. In our 2018 Annual Report on Form 10-K, we identified the critical accounting policies that affect our more significant estimates and assumptions used in preparing our consolidated financial statements. There have been no material changes to our critical accounting policies and estimates from those disclosed in our 2018 Annual Report on Form 10-K for the year ended December 31, 2018.

ITEM 3.    QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

There have been no material changes in our market risk during the quarter ended March 31, 2019. For additional information, refer to Item 7A of our 2018 Annual Report on Form 10-K.

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ITEM 4.    CONTROLS AND PROCEDURES

(a)    Evaluation of Disclosure Controls and Procedures

We maintain a system of disclosure controls and procedures designed to provide reasonable assurance as to the reliability of our published financial statements and other disclosures included in this report. Our management evaluated, with the participation of our Chief Executive Officer and our Chief Financial Officer, the effectiveness of the design and operation of our disclosure controls and procedures as of the end of the quarter ended March 31, 2019 pursuant to Rule 13a-15(b) of the Securities Exchange Act of 1934 (the “Exchange Act”). Based upon their evaluation, our Chief Executive Officer and our Chief Financial Officer concluded that our disclosure controls and procedures were effective, at the reasonable assurance level, as of the end of the quarter ended March 31, 2019 to ensure that information required to be disclosed by us in the reports we file or submit under the Exchange Act is recorded, processed, summarized and reported, within the time periods specified in the Securities and Exchange Commission’s rules and forms, and to ensure that information required to be disclosed by us in the reports we file or submit under the Exchange Act is accumulated and communicated to our management, including our principal executive and principal financial officers, as appropriate to allow timely decisions regarding required disclosures.

(b)    Changes in Internal Control over Financial Reporting

There was no change in our internal control over financial reporting that occurred during the quarter ended March 31, 2019 that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

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PART II OTHER INFORMATION

ITEM 1.    LEGAL PROCEEDINGS

We have been, and in the future may be, made parties to a number of actions filed or have been, and in the future may be, given notice of potential claims relating to the conduct of our business, including those relating to commercial or contractual disputes with suppliers, customers or parties to acquisitions and divestitures, intellectual property matters, environmental, safety and health matters, product liability, the use or installation of our products, consumer matters, and employment and labor matters.

While we believe that a material impact on our consolidated financial position, results of operations or cash flows from any such future claims or potential claims is unlikely, given the inherent uncertainty of litigation, a remote possibility exists that a future adverse ruling or unfavorable development could result in future charges that could have a material adverse impact. We do and will continue to periodically reexamine our estimates of probable liabilities and any associated expenses and receivables and make appropriate adjustments to such estimates based on experience and developments in litigation. As a result, the current estimates of the potential impact on our consolidated financial position, results of operations and cash flows for the proceedings and claims described in the notes to our consolidated financial statements could change in the future.

Asbestos matters

Our subsidiaries and numerous other unaffiliated companies are named as defendants in personal injury lawsuits based on alleged exposure to asbestos-containing materials. These cases typically involve product liability claims based primarily on allegations of manufacture, sale or distribution of industrial products that either contained asbestos or were attached to or used with asbestos-containing components manufactured by third-parties. Each case typically names between several dozen to more than a hundred corporate defendants. Our historical strategy has been to mount a vigorous defense aimed at having unsubstantiated suits dismissed, and, where appropriate, settling suits before trial. Although a large percentage of litigated suits have been dismissed, we cannot predict the extent to which we will be successful in resolving lawsuits in the future.

As of March 31, 2019, there were approximately 650 claims outstanding against our subsidiaries. This amount is not adjusted for claims that are not actively being prosecuted, identified incorrect defendants, or duplicated other actions, which would ultimately reflect our current estimate of the number of viable claims made against us, our affiliates, or entities for which we assumed responsibility in connection with acquisitions or divestitures. In addition, the amount does not include certain claims pending against third parties for which we have been provided an indemnification.

Environmental matters

We have been named as defendant, target or a potentially responsible party (“PRP”) in a number of environmental clean-ups relating to our current or former business units. We have disposed of a number of businesses in recent years, and in certain cases, we have retained responsibility and potential liability for certain environmental obligations. We have received claims for indemnification from certain purchasers. We may be named as a PRP at other sites in the future for existing business units, as well as both divested and acquired businesses. In addition to cleanup actions brought by governmental authorities, private parties could bring personal injury or other claims due to the presence of, or exposure to, hazardous substances.

Certain environmental laws impose liability on current or previous owners or operators of real property for the cost of removal or remediation of hazardous substances at their properties or at properties at which they have disposed of hazardous substances. We have projects underway at several current and former manufacturing facilities to investigate and remediate environmental contamination resulting from our past operations or by other businesses that previously owned or used the properties.

Our accruals for environmental matters are recorded on a site-by-site basis when it is probable that a liability has been incurred and the amount of the liability can be reasonably estimated, based on current law and existing technologies. It can be difficult to estimate reliably the final costs of investigation and remediation due to various factors. In our opinion, the amounts accrued are appropriate based on facts and circumstances as currently known. As of March 31, 2019, our recorded reserves for environmental matters were not material. We do not anticipate our remaining environmental conditions will have a material adverse effect on our financial position, results of operations or cash flows. However, unknown conditions, new details about existing conditions or changes in environmental requirements may give rise to environmental liabilities that will exceed the amount of our current reserves and could have a material adverse effect in the future.

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Product liability claims

We are subject to various product liability lawsuits and personal injury claims. A substantial number of these lawsuits and claims are insured and accrued for by Penwald, our captive insurance subsidiary. Penwald records a liability for these claims based on actuarial projections of ultimate losses. For all other claims, accruals covering the claims are recorded, on an undiscounted basis, when it is probable that a liability has been incurred and the amount of the liability can be reasonably estimated based on existing information. The accruals are adjusted periodically as additional information becomes available. We have not experienced significant unfavorable trends in either the severity or frequency of product liability lawsuits or personal injury claims.

ITEM 1A.    RISK FACTORS

There have been no material changes from the risk factors previously disclosed in Item 1A. of our 2018 Annual Report on Form 10-K.

ITEM 2.    UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

The following table provides information with respect to purchases we made of our ordinary shares during the first quarter of 2019:

	(a)	(b)		(c)	(d)
Period	Total number of shares purchased	Average price paid per share		Total number of  shares purchased as part of publicly announced plans or programs	Dollar value of  shares that may yet be purchased under the plans or programs
January 1 - January 26	79,685	$	29.72	—	$	400,000,120
January 27 - February 23	320	$	39.30	—	$	400,000,120
February 23 - March 31	24,471	$	35.18	—	$	400,000,120
Total	104,476			—

(a) The purchases in this column include 79,685 shares for the period January 1 - January 26, 320 shares for the period January 27 - February 23 and 24,471 shares for the period February 23 - March 31 deemed surrendered to us by participants in our 2012 Stock and Incentive Plan (the “2012 Plan”) and earlier stock incentive plans that are now outstanding under the 2012 Plan (collectively the “Plans”) to satisfy the exercise price or withholding of tax obligations related to the exercise of stock options and vesting of restricted and performance shares.

(b) The average price paid in this column includes shares deemed surrendered to us by participants in the Plans to satisfy the exercise price for the exercise price of stock options and withholding tax obligations due upon stock option exercises and vesting of restricted and performance shares.

(c) The number of shares in this column represents the number of shares repurchased as part of our publicly announced plans to repurchase our ordinary shares up to the maximum dollar limit authorized by the Board of Directors, discussed below.

(d) In May 2018, the Board of Directors authorized the repurchase of our ordinary shares up to a maximum dollar limit of $750.0 million. The 2018 authorization expires on May 31, 2021. We have $400.0 million remaining availability for repurchases under this authorization. From time to time, we may enter into a Rule 10b5-1 trading plan for the purpose of repurchasing shares under this authorization.

40

ITEM 6.     EXHIBITS

The exhibits listed in the following Exhibit Index are filed as part of this Quarterly Report on Form 10-Q.

Exhibit Index to Form 10-Q for the Period Ended March 31, 2019

31.1	Certification of Chief Executive Officer.
31.2	Certification of Chief Financial Officer.
32.1	Certification of Chief Executive Officer, Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
32.2	Certification of Chief Financial Officer, Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101	The following materials from Pentair plc’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2019 are filed herewith, formatted in XBRL (Extensible Business Reporting Language): (i) the Condensed Consolidated Statements of Operations and Comprehensive Income for the three months ended March 31, 2019 and 2018, (ii) the Condensed Consolidated Balance Sheets as of March 31, 2019 and December 31, 2018, (iii) the Condensed Consolidated Statements of Cash Flows for the three months ended March 31, 2019 and 2018, (iv) the Condensed Consolidated Statements of Changes in Equity for the three months ended March 31, 2019 and 2018, and (v) Notes to Condensed Consolidated Financial Statements.

41

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized, on April 23, 2019.

Pentair plc
Registrant
By	/s/ Mark C. Borin
	Mark C. Borin
	Executive Vice President and Chief Financial Officer
By	/s/ Ademir Sarcevic
	Ademir Sarcevic
	Senior Vice President and Chief Accounting Officer

42

EX-31.1

Exhibit 31.1

Certification

I, John L. Stauch, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Pentair plc;

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

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

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

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

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

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

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

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

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

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

Date:	April 23, 2019	/s/ John L. Stauch
		John L. Stauch
		President and Chief Executive Officer

EX-31.2

Exhibit 31.2

Certification

I, Mark C. Borin, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Pentair plc;

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

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

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

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

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

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

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

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

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

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

Date:	April 23, 2019	/s/ Mark C. Borin
		Mark C. Borin
		Executive Vice President and Chief Financial Officer

EX-32.1

Exhibit 32.1

Certification of CEO 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 Pentair plc (the “Company”) on Form 10-Q for the period ended March 31, 2019 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, John L. Stauch, President and Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that based on my knowledge:

(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 result of operations of the Company.

Date:	April 23, 2019	/s/ John L. Stauch
		John L. Stauch
		President and Chief Executive Officer

EX-32.2

Exhibit 32.2

Certification of CFO 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 Pentair plc (the “Company”) on Form 10-Q for the period ended March 31, 2019 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Mark C. Borin, Executive Vice President and Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that based on my knowledge:

(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 result of operations of the Company.

Date:	April 23, 2019	/s/ Mark C. Borin
		Mark C. Borin
		Executive Vice President and Chief Financial Officer

XML

Document and Entity Information	3 Months Ended
	Mar. 31, 2019 shares
Document Information [Line Items]
Entity Registrant Name	PENTAIR plc
Entity Central Index Key	0000077360
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Emerging Growth Company	false
Entity Small Business	false
Document Type	10-Q
Document Period End Date	Mar. 31, 2019
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q1
Amendment Flag	false
Trading Symbol	PNR
Entity Common Stock, Shares Outstanding	171,891,940

XML

Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Income Statement [Abstract]
Net sales	$ 688.9	$ 732.6
Cost of goods sold	453.3	479.3
Gross profit	235.6	253.3
Selling, general and administrative	147.3	141.8
Research and development	20.7	18.8
Operating income	67.6	92.7
Other (income) expense:
Loss on sale of business	(3.5)	5.3
Net interest expense	7.3	13.5
Other Income	0.6
Other expense		0.4
Income from continuing operations before income taxes	63.2	73.5
Provision for income taxes	10.8	15.1
Net income from continuing operations	52.4	58.4
(Loss) income from discontinued operations, net of tax	(1.1)	44.5
Net income	51.3	102.9
Comprehensive income, net of tax
Net income	51.3	102.9
Changes in cumulative translation adjustment	(1.6)	2.4
Changes in market value of derivative financial instruments, net of tax	4.3	(3.8)
Comprehensive income	$ 54.0	$ 101.5
Earnings (loss) Per Share, Basic
Continuing operations (in dollars per share)	$ 0.31	$ 0.33
Discontinued operations (in dollars per share)	(0.01)	0.24
Basic earnings (loss) per ordinary share (in dollars per share)	0.30	0.57
Earnings (loss) Per Share, Diluted
Continuing operations (in dollars per share)	0.30	0.32
Discontinued operations (in dollars per share)	0.00	0.25
Diluted earnings (loss) per ordinary share (in dollars per share)	$ 0.30	$ 0.57
Weighted average ordinary shares outstanding
Basic (shares)	171.6	179.2
Diluted (shares)	172.5	181.5

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Condensed Consolidated Statements of Operations and Comprehensive Income (Parenthetical) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Income Statement [Abstract]
Changes in cumulative translation adjustment inclusive of divestiture of business reclassified to gain from sale	$ 0.0	$ 0.0

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Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Current assets
Cash and cash equivalents	$ 78.9	$ 74.3
Accounts and notes receivable, net of allowances of $14.7 and $14.0, respectively	645.7	488.2
Inventories	421.8	387.5
Other current assets	105.2	89.4
Total current assets	1,251.6	1,039.4
Property, plant and equipment, net	279.1	272.6
Other assets
Goodwill	2,283.0	2,072.7
Intangibles, net	361.5	276.3
Other non-current assets	207.0	145.5
Total other assets	2,851.5	2,494.5
Total assets	4,382.2	3,806.5
Current liabilities
Accounts payable	265.3	378.6
Employee compensation and benefits	94.2	111.7
Other current liabilities	345.8	328.4
Total current liabilities	705.3	818.7
Other liabilities
Long-term debt	1,370.7	787.6
Pension and other post-retirement compensation and benefits	89.8	90.0
Deferred tax liabilities	124.6	105.9
Other non-current liabilities	221.4	168.2
Total liabilities	2,511.8	1,970.4
Equity
Ordinary shares $0.01 par value, 426.0 authorized, 171.9 and 171.4 issued at March 31, 2019 and December 31, 2018, respectively	1.7	1.7
Additional paid-in capital	1,905.1	1,893.8
Retained earnings	189.5	169.2
Accumulated other comprehensive loss	(225.9)	(228.6)
Total equity	1,870.4	1,836.1
Total liabilities and equity	$ 4,382.2	$ 3,806.5

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Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Statement of Financial Position [Abstract]
Accounts and notes receivable, allowances	$ 14.7	$ 14.0
Ordinary shares, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock authorized (in shares)	426,000,000	426,000,000
Common shares issued (in shares)	173,600,000	180,300,000

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Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Statement of Cash Flows [Abstract]
Net Cash Provided by (Used in) Financing Activities, Continuing Operations	$ 559.0	$ 205.1
Operating activities
Net income	51.3	102.9
Loss (income) from discontinued operations, net of tax	1.1	(44.5)
Adjustments to reconcile net income from continuing operations to net cash provided by (used for) operating activities of continuing operations
Equity income of unconsolidated subsidiaries	(0.6)	(0.6)
Depreciation	12.0	12.6
Amortization	8.2	9.3
Deferred income taxes	(1.7)	(9.9)
Loss on sale of business	(3.5)	5.3
Share-based compensation	5.4	6.0
Asset Impairment	15.3	0.0
Changes in assets and liabilities, net of effects of business acquisitions
Accounts and notes receivable	(154.0)	(146.2)
Inventories	(22.2)	(8.4)
Other current assets	(22.5)	5.6
Accounts payable	(118.2)	(59.7)
Employee compensation and benefits	(18.9)	(30.1)
Other current liabilities	(8.3)	(39.6)
Other non-current assets and liabilities	(0.5)	3.3
Net cash used for operating activities of continuing operations	(257.1)	(194.0)
Net cash provided by operating activities of discontinued operations	0.8	26.4
Net cash used for operating activities	(256.3)	(167.6)
Investing activities
Capital expenditures	(16.8)	(11.5)
Proceeds from sale of property and equipment	0.3	0.0
Proceeds from (payments due to) the sale of businesses, net	0.7	(13.8)
Acquisitions, net of cash acquired	(287.2)	(0.9)
Payments for (Proceeds from) Other Investing Activities	1.5	0.0
Net cash used for investing activities of continuing operations	(304.5)	(26.2)
Net cash used for investing activities of discontinued operations	0.0	(5.0)
Net cash used for investing activities	(304.5)	(31.2)
Financing activities
Net receipts of commercial paper and revolving long-term debt	584.1	417.5
Shares issued to employees, net of shares withheld	5.9	0.9
Repurchases of ordinary shares	0.0	(150.0)
Dividends paid	(31.0)	(63.3)
Net cash provided by financing activities of continuing operations	559.0	997.8
Cash Provided by (Used in) Financing Activities, Discontinued Operations	0.0	792.7
Change in cash held for sale	0.0	(809.7)
Effect of exchange rate changes on cash and cash equivalents	6.4	(4.8)
Change in cash and cash equivalents	4.6	(15.5)
Cash and cash equivalents, beginning of period	74.3	86.3
Cash and cash equivalents, end of period	$ 78.9	$ 70.8

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Condensed Consolidated Statements of Changes in Equity - USD ($) shares in Millions, $ in Millions	Total	Ordinary shares	Additional paid-in capital	Retained earnings	Accumulated other comprehensive loss
Common Stock, Dividends, Per Share, Cash Paid	$ 0.35
Beginning Balance at Dec. 31, 2017	$ 5,037.8	$ 1.8	$ 2,797.7	$ 2,481.7	$ (243.4)
Beginning Balance (in shares) at Dec. 31, 2017		180.3
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	102.9			102.9
Other comprehensive loss, net of tax	(1.4)				(1.4)
Dividends declared, $0.18 per share	(62.6)			(62.6)
Share repurchase	(150.0)		(150.0)
Share repurchase (in shares)		(2.2)
Exercise of options, net of shares tendered for payment	5.8		5.8
Exercise of options, net of shares tendered for payment (in shares)		0.1
Issuance of restricted shares, net of cancellations (in shares)		0.3
Issuance of restricted shares, net of cancellations	0.0	$ 0.0
Shares surrendered by employees to pay taxes	(4.8)		(4.8)
Shares surrendered by employees to pay taxes (in shares)		(0.1)
Share-based compensation	6.0		6.0
Ending Balance (in shares) at Mar. 31, 2018		178.4
Ending Balance at Mar. 31, 2018	$ 4,719.7	$ 1.8	2,654.7	2,308.0	(244.8)
Common Stock, Dividends, Per Share, Cash Paid	$ 0.18
Beginning Balance at Dec. 31, 2018	$ 1,836.1	$ 1.7	1,893.8	169.2	(228.6)
Beginning Balance (in shares) at Dec. 31, 2018		171.4
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	51.3
Other comprehensive loss, net of tax	2.7				2.7
Dividends declared, $0.18 per share	(31.0)			(31.0)
Exercise of options, net of shares tendered for payment	9.1		9.1
Exercise of options, net of shares tendered for payment (in shares)		0.3
Issuance of restricted shares, net of cancellations (in shares)		0.2
Issuance of restricted shares, net of cancellations	0.0	$ 0.0
Shares surrendered by employees to pay taxes	(3.2)		(3.2)
Shares surrendered by employees to pay taxes (in shares)		0.0
Share-based compensation	5.4		5.4
Ending Balance (in shares) at Mar. 31, 2019		171.9
Ending Balance at Mar. 31, 2019	$ 1,870.4	$ 1.7	$ 1,905.1	$ 189.5	$ (225.9)

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Basis of Presentation and Responsibility for Interim Financial Statements

3 Months Ended

Mar. 31, 2019

Accounting Policies [Abstract]

Basis of Presentation and Responsibility for Interim Financial Statements

Basis of Presentation and Responsibility for Interim Financial Statements

The accompanying unaudited condensed consolidated financial statements of Pentair plc and its subsidiaries (“we,” “us,” “our,” “Pentair,” or the “Company”) have been prepared following the requirements of the U.S. Securities and Exchange Commission (“SEC”) for interim reporting. As permitted under those rules, certain footnotes or other financial information that are normally required by accounting principles generally accepted in the United States of America (“GAAP”) can be condensed or omitted.

We are responsible for the unaudited condensed consolidated financial statements included in this document. The financial statements include all normal recurring adjustments that are considered necessary for the fair presentation of our financial position and operating results. As these are condensed financial statements, one should also read our consolidated financial statements and notes thereto, which are included in our Annual Report on Form 10-K for the year ended December 31, 2018.

Revenues, expenses, cash flows, assets and liabilities can and do vary during each quarter of the year. Therefore, the results and trends in these interim financial statements may not be indicative of those for a full year.

Our fiscal year ends on December 31. We report our interim quarterly periods on a calendar quarter basis.

Adoption of new accounting standards

On January 1, 2019, we adopted ASU No. 2016-02, “Leases” (“the new lease standard” or “ASC 842”) using the transition method of adoption. Under the transition method of adoption, comparative information has not been restated and continues to be reported under the standards in effect for those periods. In addition, we elected the package of practical expedients permitted under the transition guidance within the new standard, which among other things, allowed us to carry forward the historical lease classification. We also elected the practical expedient to not separate non-lease components from the lease components to which they relate, and instead account for each separate lease and non-lease component associated with that lease component as a single lease component for all underlying asset classes. Accordingly, all costs associated with a lease contract are accounted for as one lease cost.

The impact of adopting the new standard primarily relates to the recognition of a lease right-of-use (“ROU”) asset and current and non-current lease liability on the consolidated balance sheet. ROU assets represent our right to use an underlying asset for the lease term and lease liabilities represent our obligation to make lease payments arising from the lease. Lease ROU assets and liabilities are recognized at commencement date based on the present value of lease payments over the lease term. As we cannot readily determine the rate implicit in the lease, we use our incremental borrowing rate determined by country of lease origin based on the anticipated lease term as determined at commencement date in determining the present value of lease payments. The ROU asset also excludes any accrued lease payments and unamortized lease incentives.

As of March 31, 2019, $74.7 million was included inOther non-current assets, $19.9 million inOther current liabilities and $57.7 million in Other non-current liabilities, on the Condensed Consolidated Balance Sheets as a result of the new lease standard. There was no impact on our Condensed Consolidated Statements of Operations and Comprehensive Income or Condensed Consolidated Statements of Cash Flows.

Refer to Note 15 for further discussion.

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Revenue

3 Months Ended

Mar. 31, 2019

Revenue from Contract with Customer [Abstract]

Revenue

Revenue

We disaggregate our revenue from contracts with customers by segment, geographic location and vertical, as we believe these best depict how the nature, amount, timing and uncertainty of our revenue and cash flows are affected by economic factors. Refer to Note 14 for revenue disaggregated by segment.

Geographic net sales information, based on geographic destination of the sale, was as follows:

	Three months ended
In millions	March 31, 2019		March 31, 2018
U.S.	$	426.0	$	452.4
Western Europe	104.3		110.3
Developing (1)	108.9		113.0
Other Developed (2)	49.7		56.9
Consolidated net sales	$	688.9	$	732.6
(1)Developing includes China, Eastern Europe, Latin America, the Middle East and Southeast Asia.
(2) Other Developed includes Australia, Canada and Japan.

Vertical net sales information was as follows:

	Three months ended
In millions	March 31, 2019		March 31, 2018
Residential	$	383.6	$	412.2
Commercial	150.7		151.8
Industrial	154.6		168.6
Consolidated net sales	$	688.9	$	732.6

Performance obligations

On March 31, 2019, we had $66.4 million of remaining performance obligations on contracts with an original expected duration of one year or more. We expect to recognize the majority of our remaining performance obligations on these contracts within the next 12 to 18 months.

Contract assets and liabilities

Contract assets and liabilities consisted of the following:

In millions	March 31, 2019		December 31, 2018		$ Change		% Change
Contract assets	$	38.4	$	36.5	$	1.9	5.2	%
Contract liabilities	32.9		32.8		0.1		0.3	%
Net contract assets	$	5.5	$	3.7	$	1.8	48.6	%

The $1.8 millionincrease in net contract assets from December 31, 2018 to March 31, 2019 was primarily the result of timing of milestone payments. Approximately 50% of our contract liabilities at December 31, 2018 were recognized in revenue in the first quarter of 2019. There were no impairment losses recognized on our contract assets for the three months ended March 31, 2019.

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Acquisitions and Discontinued Operations

3 Months Ended

Mar. 31, 2019

Discontinued Operations and Disposal Groups [Abstract]

Acquisitions and Discontinued Operations

Acquisitions and Discontinued Operations

Acquisitions

In February 2019, as part of Filtration Solutions, we completed the acquisitions of Aquion, Inc. (“Aquion”) and Pelican Water Systems (“Pelican”) for $164.7 million and $122.5 million in cash, net of cash acquired, respectively.

For Aquion, the excess of purchase price over tangible net assets and identified intangible assets acquired has been preliminarily allocated to goodwill in the amount of $94.6 million, none of which is expected to be deductible for income tax purposes. Identifiable intangible assets acquired as part of the Aquion acquisition include $15.7 million of indefinite-lived trade name intangible assets and $78.8 million of definite-lived customer relationships with an estimated useful life of 15 years.

For Pelican, the excess purchase price over tangible net assets acquired has been preliminarily allocated to goodwill in the amount of $121.9 million, none of which is expected to be deductible for income tax purposes.

The preliminary purchase price allocation for these acquisitions is subject to further refinement and may require significant adjustments to arrive at the final purchase price allocation. These changes will primarily relate to impacts associated with income taxes and other accruals.

The proforma impact of these acquisitions is not material.

Discontinued Operation — Electrical Separation

On April 30, 2018, we completed the separation of our Electrical business from the rest of Pentair (the “Separation”) by means of a dividend in specie of the Electrical business, which was effected by the transfer of the Electrical business from Pentair to nVent Electric plc (“nVent”) and the issuance by nVent of ordinary shares directly to Pentair shareholders (the “Distribution”). The results of the Electrical business have been presented as discontinued operations. The Electrical business had been previously disclosed as a stand-alone reporting segment. Separation costs related to the Separation and Distribution were $24.6 million for the three months ended March 31, 2018. These costs are reported in discontinued operations as they represent a cost directly related to the Separation and Distribution and are included within (Loss) income from discontinued operations, net of tax presented below.

Operating results of the discontinued operation is summarized below:

	Three months ended
In millions	March 31, 2019			March 31, 2018
Net sales	$	—		$	538.9
Cost of goods sold	—			330.2
Gross profit	—			208.7
Selling, general and administrative expenses	0.3			137.8
Research and development expenses	—			11.3
Operating income (loss)	$	(0.3	)	$	59.6
(Loss) income from discontinued operations before income taxes	$	(0.8	)	$	58.2
Income tax provision	0.3			13.7
(Loss) income from discontinued operations, net of tax	$	(1.1	)	$	44.5

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Share Plans

3 Months Ended

Mar. 31, 2019

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

Share Plans

Share Plans

Total share-based compensation expense for the three months endedMarch 31, 2019 and 2018 was as follows:

	Three months ended
In millions	March 31, 2019		March 31, 2018
Restricted stock units	$	2.8	$	2.4
Stock options	1.4		1.2
Performance share units	1.2		2.4
Total share-based compensation expense	$	5.4	$	6.0

Of the total share-based compensation expense noted above, $2.0 million was reported as part of (Loss) income from discontinued operations, net of tax for the three months ended March 31, 2018.

In the first quarter of 2019, we issued our annual share-based compensation grants under the Pentair plc 2012 Stock and Incentive Plan to eligible employees. The total number of awards issued was approximately 0.8 million, of which 0.3 million were restricted stock units (“RSUs”), 0.4 million were stock options and 0.1 million were performance share units (“PSUs”). The weighted-average grant date fair value of the RSUs, stock options and PSUs issued was $40.84, $8.84, and $38.47, respectively.

We estimated the fair value of each stock option award issued in the annual share-based compensation grant using a Black-Scholes option pricing model, modified for dividends and using the following assumptions:

	2019 Annual Grant
Risk-free interest rate	2.89	%
Expected dividend yield	1.78	%
Expected share price volatility	23.3	%
Expected term (years)	6.1

These estimates require us to make assumptions based on historical results, observance of trends in our share price, changes in option exercise behavior, future expectations and other relevant factors. If other assumptions had been used, share-based compensation expense, as calculated and recorded under the accounting guidance, could have been affected. We based the expected life assumption on historical experience as well as the terms and vesting periods of the options granted. For purposes of determining expected share price volatility, we considered a rolling average of historical volatility measured over a period approximately equal to the expected option term. The risk-free interest rate for periods that coincide with the expected life of the options is based on the U.S. Treasury Department yield curve in effect at the time of grant.

Share-based Compensation Expense

Total share-based compensation expense for the three months endedMarch 31, 2019 and 2018 was as follows:

	Three months ended
In millions	March 31, 2019		March 31, 2018
Restricted stock units	$	2.8	$	2.4
Stock options	1.4		1.2
Performance share units	1.2		2.4
Total share-based compensation expense	$	5.4	$	6.0

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Restructuring

3 Months Ended

Mar. 31, 2019

Restructuring and Related Activities [Abstract]

Restructuring

Restructuring

During the three months endedMarch 31, 2019 and the year ended December 31, 2018, we initiated and continued execution of certain business restructuring initiatives aimed at reducing our fixed cost structure and realigning our business. These initiatives included the reduction in hourly and salaried headcount of approximately 10 employees and 300 employees, respectively.

Restructuring-related costs included in Selling, general and administrative expenses in the Condensed Consolidated Statements of Operations and Comprehensive Income included costs for severance and other restructuring costs as follows:

	Three months ended
In millions	March 31, 2019		March 31, 2018
Severance and related costs	$	1.1	$	5.4
Other	—		0.2
Total restructuring costs	$	1.1	$	5.6

Other restructuring costs primarily consist of asset impairment and various contract termination costs.

Restructuring costs by reportable segment were as follows:

	Three months ended
In millions	March 31, 2019			March 31, 2018
Aquatic Systems	$	0.9		$	1.8
Filtration Solutions	0.4			2.0
Flow Technologies	(0.3		)	1.7
Other	0.1			0.1
Consolidated	$	1.1		$	5.6

Activity related to accrued severance and related costs recorded in Other current liabilities in the Condensed Consolidated Balance Sheets is summarized as follows for the three months endedMarch 31, 2019:

In millions	March 31, 2019
Beginning balance	$	27.1
Costs incurred	1.1
Cash payments and other	(8.0		)
Ending balance	$	20.2

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Earnings Per Share

3 Months Ended

Mar. 31, 2019

Earnings Per Share [Abstract]

Earnings Per Share

Earnings Per Share

Basic and diluted earnings per share were calculated as follows:

	Three months ended
In millions, except per-share data	March 31, 2019			March 31, 2018
Net income	$	51.3		$	102.9
Net income from continuing operations	$	52.4		$	58.4
Weighted average ordinary shares outstanding
Basic	171.6			179.2
Dilutive impact of stock options, restricted stock units and performance share units	0.9			2.3
Diluted	172.5			181.5
Earnings (loss) per ordinary share
Basic
Continuing operations	$	0.31		$	0.33
Discontinued operations	(0.01		)	0.24
Basic earnings per ordinary share	$	0.30		$	0.57
Diluted
Continuing operations	$	0.30		$	0.32
Discontinued operations	—			0.25
Diluted earnings per ordinary share	$	0.30		$	0.57
Anti-dilutive stock options excluded from the calculation of diluted earnings per share	1.7			0.4

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Supplemental Balance Sheet Information

3 Months Ended

Mar. 31, 2019

Disclosure Supplemental Balance Sheet Information [Abstract]

Supplemental Balance Sheet Information

Supplemental Balance Sheet Information

In millions	March 31, 2019		December 31, 2018
Inventories
Raw materials and supplies	$	208.5	$	191.3
Work-in-process	68.3		64.0
Finished goods	145.0		132.2
Total inventories	$	421.8	$	387.5
Other current assets
Cost in excess of billings	$	38.4	$	36.5
Prepaid expenses	52.7		36.7
Prepaid income taxes	5.3		8.5
Other current assets	8.8		7.7
Total other current assets	$	105.2	$	89.4
Property, plant and equipment, net
Land and land improvements	$	33.6	$	33.5
Buildings and leasehold improvements	179.6		178.9
Machinery and equipment	604.1		593.8
Construction in progress	39.6		35.7
Total property, plant and equipment	856.9		841.9
Accumulated depreciation and amortization	577.8		569.3
Total property, plant and equipment, net	$	279.1	$	272.6
Other non-current assets
Right-of-use lease assets	$	74.7	$	—
Deferred income taxes	26.3		26.2
Deferred compensation plan assets	21.2		20.9
Other non-current assets	84.8		98.4
Total other non-current assets	$	207.0	$	145.5
Other current liabilities
Dividends payable	$	30.9	$	30.8
Accrued warranty	34.6		33.9
Accrued rebates	45.7		55.7
Billings in excess of cost	19.7		21.3
Current lease liability	19.9		—
Income taxes payable	9.9		10.4
Accrued restructuring	20.2		27.1
Other current liabilities	164.9		149.2
Total other current liabilities	$	345.8	$	328.4
Other non-current liabilities
Long-term lease liability	$	57.7	$	—
Income taxes payable	46.8		46.8
Self-insurance liabilities	45.7		47.7
Deferred compensation plan liabilities	21.2		20.9
Foreign currency contract liabilities	23.9		30.6
Other non-current liabilities	26.1		22.2
Total other non-current liabilities	$	221.4	$	168.2

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Goodwill and Other Identifiable Intangible Assets

3 Months Ended

Mar. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Other Identifiable Intangible Assets

Goodwill and Other Identifiable Intangible Assets

The changes in the carrying amount of goodwill by reportable segment were as follows:

In millions	December 31, 2018		Acquisitions		Foreign currency  translation/other			March 31, 2019
Aquatic Systems	$	965.9	$	—	$	(0.6	)	$	965.3
Filtration Solutions	643.5		216.5		(4.5		)	855.5
Flow Technologies	463.3		—		(1.1		)	462.2
Total goodwill	$	2,072.7	$	216.5	$	(6.2	)	$	2,283.0

Identifiable intangible assets consisted of the following:

	March 31, 2019							December 31, 2018
In millions	Cost		Accumulated amortization			Net		Cost		Accumulated amortization			Net
Definite-life intangibles
Customer relationships	$	424.6	$	(253.3	)	$	171.3	$	347.1	$	(247.9	)	$	99.2
Trade names	0.4		(0.4		)	—		0.4		(0.4		)	—
Proprietary technology and patents	85.5		(69.6		)	15.9		86.2		(68.4		)	17.8
Total definite-life intangibles	510.5		(323.3		)	187.2		433.7		(316.7		)	117.0
Indefinite-life intangibles
Trade names	174.3		—			174.3		159.3		—			159.3
Total intangibles	$	684.8	$	(323.3	)	$	361.5	$	593.0	$	(316.7	)	$	276.3

Identifiable intangible asset amortization expense $8.2 million and $9.3 million for the three months ended March 31, 2019 and 2018, respectively.

Estimated future amortization expense for identifiable intangible assets during the remainder of 2019 and the next five years is as follows:

	Q2-Q4
In millions	2019		2020		2021		2022		2023		2024
Estimated amortization expense	$	23.4	$	27.5	$	22.4	$	15.3	$	13.0	$	12.4

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Debt

3 Months Ended

Mar. 31, 2019

Debt Disclosure [Abstract]

Debt

Debt

Debt and the average interest rates on debt outstanding were as follows:

In millions	Average interest rate as of March 31, 2019	Maturity Year	March 31, 2019			December 31, 2018
Commercial paper	3.171%	2023	$	681.2		$	76.0
Revolving credit facilities	3.595%	2023	5.0			26.2
Senior notes - fixed rate (1)	2.650%	2019	250.0			250.0
Senior notes - fixed rate - Euro (1)	2.450%	2019	153.6			155.1
Senior notes - fixed rate (1)	3.625%	2020	74.0			74.0
Senior notes - fixed rate (1)	5.000%	2021	103.8			103.8
Senior notes - fixed rate (1)	3.150%	2022	88.3			88.3
Senior notes - fixed rate (1)	4.650%	2025	19.3			19.3
Unamortized debt issuance costs and discounts	N/A	N/A	(4.5		)	(5.1		)
Total debt			$	1,370.7		$	787.6
(1) Senior notes are guaranteed as to payment by Pentair and PISG.

In April 2018, Pentair, Pentair Investments Switzerland GmbH (“PISG”), Pentair Finance S.à r.l. (“PFSA”) and Pentair, Inc. entered into a credit agreement, providing for an $800.0 million senior unsecured revolving credit facility with a term of five years (the “Senior Credit Facility”), with Pentair and PISG as guarantors and PFSA and Pentair, Inc. as borrowers. The Senior Credit Facility replaced PFSA’s existing credit facility under that certain Amended and Restated Credit Agreement, dated as of October 3, 2014. The Senior Credit Facility has a maturity date of April 25, 2023. Borrowings under the Senior Credit Facility bear interest at a rate equal to an adjusted base rate or the London Interbank Offered Rate, plus, in each case, an applicable margin. The applicable margin is based on, at PFSA’s election, Pentair’s leverage level or PFSA’s public credit rating.

PFSA is authorized to sell short-term commercial paper notes to the extent availability exists under the Senior Credit Facility. PFSA uses the Senior Credit Facility as back-up liquidity to support 100% of commercial paper outstanding. PFSA had $681.2 million of commercial paper outstanding as of March 31, 2019 and $76.0 million as of December 31, 2018, all of which was classified as long-term debt as we have the intent and the ability to refinance such obligations on a long-term basis under the Senior Credit Facility.

Total availability under the Senior Credit Facility was $113.8 million as of March 31, 2019. Additionally, PFSA has the option to request to increase the Senior Credit Facility in an aggregate amount of up to $300.0 million, subject to customary conditions, including the commitment of the participating lenders. We anticipate that, during the second quarter of 2019, PFSA will request an increase in the Senior Credit Facility of $100.0 million pursuant to such option.

Our debt agreements contain various financial covenants, but the most restrictive covenants are contained in the Senior Credit Facility. The Senior Credit Facility contains covenants requiring us not to permit (i) the ratio of our consolidated debt (net of our consolidated unrestricted cash in excess of $5.0 million but not to exceed $250.0 million) to our consolidated net income (excluding, among other things, non-cash gains and losses) before interest, taxes, depreciation, amortization and non-cash share-based compensation expense (“EBITDA”) on the last day of any period of four consecutive fiscal quarters to exceed 3.75 to 1.00 (the “Leverage Ratio”) and (ii) the ratio of our EBITDA to our consolidated interest expense, for the same period to be less than 3.00 to 1.00 as of the end of each fiscal quarter. For purposes of the Leverage Ratio, the Senior Credit Facility provides for the calculation of EBITDA giving pro forma effect to certain acquisitions, divestitures and liquidations during the period to which such calculation relates. As of March 31, 2019, we were in compliance with all financial covenants in our debt agreements.

In addition to the Senior Credit Facility, we have various other credit facilities with an aggregate availability of $21.2 million, of which there were no outstanding borrowings at March 31, 2019. Borrowings under these credit facilities bear interest at variable rates.

We have $403.6 million aggregate principal amount of fixed rate senior notes maturing in the next twelve months. We classified this debt as long-term as of March 31, 2019 as we have the intent and ability to refinance such obligation on a long-term basis under the Senior Credit Facility.

Debt outstanding, excluding unamortized issuance costs and discounts, at March 31, 2019 matures on a calendar year basis as follows:

	Q2-Q4
In millions	2019		2020		2021		2022		2023		2024		Thereafter		Total
Contractual debt obligation maturities	$	403.6	$	74.0	$	103.8	$	88.3	$	686.2	$	—	$	19.3	$	1,375.2

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Derivatives and Financial Instruments

3 Months Ended

Mar. 31, 2019

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivatives and Financial Instruments

Derivatives and Financial Instruments

Derivative financial instruments

We are exposed to market risk related to changes in foreign currency exchange rates. To manage the volatility related to this exposure, we periodically enter into a variety of derivative financial instruments. Our objective is to reduce, where it is deemed appropriate to do so, fluctuations in earnings and cash flows associated with changes in foreign currency exchange rates. The derivative contracts contain credit risk to the extent that our bank counterparties may be unable to meet the terms of the agreements. The amount of such credit risk is generally limited to the unrealized gains, if any, in such contracts. Such risk is minimized by limiting those counterparties to major financial institutions of high credit quality.

Foreign currency contracts

We conduct business in various locations throughout the world and are subject to market risk due to changes in the value of foreign currencies in relation to our reporting currency, the U.S. dollar. We manage our economic and transaction exposure to certain market-based risks through the use of foreign currency derivative financial instruments. Our objective in holding these derivatives is to reduce the volatility of net earnings and cash flows associated with changes in foreign currency exchange rates. The majority of our foreign currency contracts have an original maturity date of less than one year.

At March 31, 2019 and December 31, 2018, we had outstanding foreign currency derivative contracts with gross notional U.S. dollar equivalent amounts of $313.6 million and $331.4 million, respectively. The impact of these contracts on the Condensed Consolidated Statements of Operations and Comprehensive Income was not material for any period presented.

Gains or losses on foreign currency contracts designated as hedges are reclassified out of Accumulated other comprehensive loss (“AOCI”) and into Selling, general and administrative expenses in the Condensed Consolidated Statements of Operations and Comprehensive Income upon settlement. Such reclassifications during the three months endedMarch 31, 2019 and 2018 were not material.

Net investment hedge

We have net investments in foreign subsidiaries that are subject to changes in the foreign currency exchange rate. In September 2015, we designated the €500 million2.45% Senior Notes due 2019 (the “2019 Euro Notes”) as a net investment hedge for a portion of our net investment in our Euro-denominated subsidiaries. In June 2018, the Company completed a tender offer for €363.4 million of the 2019 Euro Notes. The remaining €136.6 million of the 2019 Euro Notes have been re-designated as a net investment hedge in our Euro-denominated subsidiaries. The gains/losses on the 2019 Euro Notes have been included as a component of the cumulative translation adjustment account within AOCI. We had a deferred foreign currency gain of $0.7 million at March 31, 2019 and a deferred foreign currency loss of $0.8 million at December 31, 2018 in AOCI associated with the net investment hedge activity.

Fair value measurements

Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. Assets and liabilities measured at fair value are classified using the following hierarchy, which is based upon the transparency of inputs to the valuation as of the measurement date:

Level 1:	Valuation is based on observable inputs such as quoted market prices (unadjusted) for identical assets or liabilities in active markets.
Level 2:	Valuation is based on inputs such as quoted market prices for similar assets or liabilities in active markets or other inputs that are observable for the asset or liability, either directly or indirectly, for substantially the full term of the financial instrument.
Level 3:	Valuation is based upon other unobservable inputs that are significant to the fair value measurement.

In making fair value measurements, observable market data must be used when available. When inputs used to measure fair value fall within different levels of the hierarchy, the level within which the fair value measurement is categorized is based on the lowest level input that is significant to the fair value measurement.

Fair value of financial instruments

The following methods were used to estimate the fair values of each class of financial instruments:

• short-term financial instruments (cash and cash equivalents, accounts and notes receivable, accounts and notes payable and variable-rate debt) — recorded amount approximates fair value because of the short maturity period;

• long-term fixed-rate debt, including current maturities — fair value is based on market quotes available for issuance of debt with similar terms, which are inputs that are classified as Level 2 in the valuation hierarchy defined by the accounting guidance;

• foreign currency contract agreements — fair values are determined through the use of models that consider various assumptions, including time value, yield curves, as well as other relevant economic measures, which are inputs that are classified as Level 2 in the valuation hierarchy defined by the accounting guidance; and

• deferred compensation plan assets (mutual funds, common/collective trusts and cash equivalents for payment of certain non-qualified benefits for retired, terminated and active employees) — fair value of mutual funds and cash equivalents are based on quoted market prices in active markets that are classified as Level 1 in the valuation hierarchy defined by the accounting guidance; fair value of common/collective trusts are valued at net asset value (“NAV”), which is based on the fair value of the underlying securities owned by the fund and divided by the number of shares outstanding.

The recorded amounts and estimated fair values of total debt, excluding unamortized issuance costs and discounts, were as follows:

	March 31, 2019				December 31, 2018
In millions	Recorded Amount		Fair Value		Recorded Amount		Fair Value
Variable rate debt	$	686.2	$	686.2	$	102.2	$	102.2
Fixed rate debt	689.0		694.6		690.5		691.8
Total debt	$	1,375.2	$	1,380.8	$	792.7	$	794.0

Financial assets and liabilities measured at fair value on a recurring and nonrecurring basis were as follows:

	March 31, 2019
In millions	Level 1		Level 2			Level 3		NAV		Total
Recurring fair value measurements
Foreign currency contract assets	$	—	$	0.3		$	—	$	—	$	0.3
Foreign currency contract liabilities	—		(23.9		)	—		—		(23.9		)
Deferred compensation plan assets	17.0		—			—		4.2		21.2
Total recurring fair value measurements	$	17.0	$	(23.6	)	$	—	$	4.2	$	(2.4	)

	December 31, 2018
In millions	Level 1		Level 2			Level 3		NAV		Total
Recurring fair value measurements
Foreign currency contract liabilities	$	—	$	(30.6	)	$	—	$	—	$	(30.6	)
Deferred compensation plan assets	17.6		—			—		3.3		20.9
Total recurring fair value measurements	$	17.6	$	(30.6	)	$	—	$	3.3	$	(9.7	)

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Income Taxes

3 Months Ended

Mar. 31, 2019

Income Tax Disclosure [Abstract]

Income Taxes

Income Taxes

We manage our affairs so that we are centrally managed and controlled in the United Kingdom (“U.K.”) and therefore have our tax residency in the U.K. The provision for income taxes consists of provisions for the U.K. and international income taxes. We operate in an international environment with operations in various locations outside the U.K. Accordingly, the consolidated income tax rate is a composite rate reflecting the earnings in the various locations and the applicable rates.

The effective income tax rate for the three months endedMarch 31, 2019 was 17.1%, compared to 20.5% for the three months endedMarch 31, 2018. We continue to actively pursue initiatives to reduce our effective tax rate. The tax rate in any quarter can be affected positively or negatively by adjustments that are required to be reported in the specific quarter of resolution.

The liability for uncertain tax positions was $49.6 million and $51.4 million at March 31, 2019 and December 31, 2018, respectively. We record penalties and interest related to unrecognized tax benefits in Provision for income taxes and Net interest expense, respectively, on the Condensed Consolidated Statements of Operations and Comprehensive Income, which is consistent with our past practices.

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Benefit Plans

3 Months Ended

Mar. 31, 2019

Retirement Benefits [Abstract]

Benefit Plans

Benefit Plans

Components of net periodic benefit cost for our pension plans for the three months endedMarch 31, 2019 and 2018 were as follows:

	Three months ended
In millions	March 31, 2019			March 31, 2018
Service cost	$	0.7		$	1.0
Interest cost	2.7			3.0
Expected return on plan assets	(1.7		)	(2.2		)
Net periodic benefit cost	$	1.7		$	1.8

Components of net periodic benefit cost for our other post-retirement plans for the three months endedMarch 31, 2019 and 2018 were not material.

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Shareholders' Equity

3 Months Ended

Mar. 31, 2019

Shareholders' Equity

Shareholders’ Equity

Share repurchases

In May 2018, the Board of Directors authorized the repurchase of our ordinary shares up to a maximum dollar limit of $750.0 million. The authorization expires on May 31, 2021. There were no share repurchases during the three months endedMarch 31, 2019. As of March 31, 2019, we had $400.0 million available for share repurchases.

Dividends payable

On December 10, 2018, the Board of Directors declared a quarterly cash dividend of $0.18, that was paid on February 8, 2019, to shareholders of record at the close of business on January 25, 2019. Additionally, the Board of Directors approved a plan to pay an annual cash dividend of $0.72 in 2019. Further, on February 19, 2019, the Board of Directors declared a quarterly cash dividend of $0.18 payable on May 3, 2019, to shareholders of record at the close of business on April 19, 2019. As a result, the balance of dividends payable included in Other current liabilitieson our Condensed Consolidated Balance Sheets was $30.9 million at March 31, 2019, compared to $30.8 million at December 31, 2018.

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Segment Information

3 Months Ended

Mar. 31, 2019

Segment Reporting [Abstract]

Segment Information

Segment Information

We evaluate performance based on net sales and segment income (loss) and use a variety of ratios to measure performance of our reporting segments. These results are not necessarily indicative of the results of operations that would have occurred had each segment been an independent, stand-alone entity during the periods presented. Segment income (loss) represents equity income of unconsolidated subsidiaries and operating income exclusive of intangible amortization, certain acquisition related expenses, costs of restructuring activities, impairments and other unusual non-operating items.

Financial information by reportable segment is as follows:

	Three months ended
In millions	March 31, 2019			March 31, 2018
Net sales
Aquatic Systems	$	220.5		$	240.4
Filtration Solutions	239.3			251.6
Flow Technologies	228.7			240.3
Other	0.4			0.3
Consolidated	$	688.9		$	732.6
Segment income (loss)
Aquatic Systems	$	52.4		$	60.0
Filtration Solutions	33.7			33.7
Flow Technologies	30.1			38.7
Other	(17.5		)	(15.4		)
Consolidated	$	98.7		$	117.0

The following table presents a reconciliation of consolidated segment income to consolidated income from continuing operations before income taxes:

	Three months ended
In millions	March 31, 2019			March 31, 2018
Segment income	$	98.7		$	117.0
Deal-related costs and expenses	(4.2		)	—
Inventory step-up	(1.7		)	—
Restructuring and other	(1.1		)	(5.6		)
Intangible amortization	(8.2		)	(9.3		)
Asset impairment	(15.3		)	—
Gain (loss) on sale of business	3.5			(5.3		)
Corporate allocations	—			(8.8		)
Net interest expense	(7.3		)	(13.5		)
Other expense	(1.2		)	(1.0		)
Income from continuing operations before income taxes	$	63.2		$	73.5

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Commitments and Contingencies

3 Months Ended

Mar. 31, 2019

Commitments and Contingencies

Commitments and Contingencies

Leases

We determine if an arrangement is a lease at inception. Our lease portfolio principally consists of operating leases related to facilities, machinery, equipment and vehicles. Our lease terms do not include options to extend or terminate the lease until we are reasonably certain that we will exercise that option. Operating lease cost for lease payments is recognized on a straight-line basis over the lease term and principally consists of fixed payments for base rent.

The components of lease cost for the three months endedMarch 31, 2019 were as follows:

In millions	March 31, 2019
Operating lease cost	$	8.6
Sublease income	(0.2		)
Total lease cost	$	8.4

Supplemental cash flow information related to leases for the three months endedMarch 31, 2019 was as follows:

In millions	March 31, 2019
Operating cash flows from operating leases	$	6.6
Right-of-use assets obtained in exchange for lease obligations	79.5

Other information related to leases was as follows:

	March 31, 2019
Weighted-average remaining lease term of operating leases	5 years
Weighted-average discount rate of operating leases	6.2	%

Future minimum lease commitments under non-cancelable operating leases, as of March 31, 2019 were as follows:

In millions	Operating Leases
Q2 through Q4 2019	$	18.5
2020	19.6
2021	14.9
2022	12.3
2023	10.3
Thereafter	15.6
Total lease payments	91.2
Less: imputed interest	(13.6		)
Total	$	77.6

Future minimum lease commitments under non-cancelable operating leases based on accounting standards applicable as of December 31, 2018 were as follows:

In millions	Operating Leases
2019	$	23.2
2020	17.6
2021	13.3
2022	11.1
2023	9.5
Thereafter	13.8
Total	$	88.5

Warranties and guarantees

In connection with the disposition of our businesses or product lines, we may agree to indemnify purchasers for various potential liabilities relating to the sold business, such as pre-closing tax, product liability, warranty, environmental, or other obligations. The subject matter, amounts and duration of any such indemnification obligations vary for each type of liability indemnified and may vary widely from transaction to transaction.

Generally, the maximum obligation under such indemnifications is not explicitly stated and as a result, the overall amount of these obligations cannot be reasonably estimated. Historically, we have not made significant payments for these indemnifications. We believe that if we were to incur a loss in any of these matters, the loss would not have a material adverse effect on our financial position, results of operations or cash flows.

We recognize, at the inception of a guarantee, a liability for the fair value of the obligation undertaken in issuing the guarantee. In connection with the disposition of the Valves & Controls business in 2017, we agreed to indemnify Emerson Electric Co. for certain pre-closing tax liabilities. We have recorded a liability representing the fair value of our expected future obligation for this matter.

We provide service and warranty policies on our products. Liability under service and warranty policies is based upon a review of historical warranty and service claim experience. Adjustments are made to accruals as claim data and historical experience warrant.

The changes in the carrying amount of service and product warranties of continuing operations for the three months endedMarch 31, 2019 were as follows:

In millions	March 31, 2019
Beginning balance	$	33.9
Service and product warranty provision	11.2
Payments	(10.5		)
Ending balance	$	34.6

Stand-by letters of credit, bank guarantees and bonds

In certain situations, Tyco International Ltd., Pentair Ltd.’s former parent company (“Tyco”), guaranteed performance by the flow control business of Pentair Ltd. (“Flow Control”) to third parties or provided financial guarantees for financial commitments of Flow Control. In situations where Flow Control and Tyco were unable to obtain a release from these guarantees in connection with the spin-off of Flow Control from Tyco, we will indemnify Tyco for any losses it suffers as a result of such guarantees.

In disposing of assets or businesses, we often provide representations, warranties and indemnities to cover various risks including unknown damage to the assets, environmental risks involved in the sale of real estate, liability to investigate and remediate environmental contamination at waste disposal sites and manufacturing facilities and unidentified tax liabilities and legal fees related to periods prior to disposition. We do not have the ability to reasonably estimate the potential liability due to the inchoate and unknown nature of these potential liabilities. However, we have no reason to believe that these uncertainties would have a material adverse effect on our financial position, results of operations or cash flows.

In the ordinary course of business, we are required to commit to bonds, letters of credit and bank guarantees that require payments to our customers for any non-performance. The outstanding face value of these instruments fluctuates with the value of our projects in process and in our backlog. In addition, we issue financial stand-by letters of credit primarily to secure our performance to third parties under self-insurance programs.

As of March 31, 2019 and December 31, 2018, the outstanding value of bonds, letters of credit and bank guarantees totaled $121.6 million and $123.6 million, respectively.

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Supplemental Guarantor Information

3 Months Ended

Mar. 31, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Supplemental Guarantor Information

Supplemental Guarantor Information

Pentair plc (the “Parent Company Guarantor”) and PISG (the “Subsidiary Guarantor”), fully and unconditionally, guarantee the Notes of PFSA (the “Subsidiary Issuer”). The Subsidiary Guarantor is a Switzerland limited liability company and 100 percent-owned subsidiary of the Parent Company Guarantor. The Subsidiary Issuer is a Luxembourg private limited liability company and 100 percent-owned subsidiary of the Subsidiary Guarantor. The guarantees provided by the Parent Company Guarantor and Subsidiary Guarantor are joint and several.

The following supplemental financial information sets forth the Company’s Condensed Consolidating Statements of Operations and Comprehensive Income (Loss), Condensed Consolidating Balance Sheets and Condensed Consolidating Statements of Cash Flows by relevant group within the Company: Pentair plc and PISG as the guarantors, PFSA as issuer of the debt and all other non-guarantor subsidiaries. Condensed consolidating financial information for Pentair plc, PISG and PFSA on a stand-alone basis is presented using the equity method of accounting for subsidiaries.

Condensed Consolidating Balance Sheet

March 31, 2019

In millions	Parent Company Guarantor		Subsidiary Guarantor		Subsidiary Issuer		Non-guarantor Subsidiaries		Eliminations			Consolidated Total
Assets
Current assets
Cash and cash equivalents	$	0.1	$	—	$	—	$	78.8	$	—		$	78.9
Accounts and notes receivable, net	—		—		6.3		645.7		(6.3		)	645.7
Inventories	—		—		—		421.8		—			421.8
Other current assets	3.1		—		0.1		102.0		—			105.2
Total current assets	3.2		—		6.4		1,248.3		(6.3		)	1,251.6
Property, plant and equipment, net	—		—		—		279.1		—			279.1
Other assets
Investments in subsidiaries	1,965.9		2,099.7		2,740.2		—		(6,805.8		)	—
Goodwill	—		—		—		2,283.0		—			2,283.0
Intangibles, net	—		—		—		361.5		—			361.5
Other non-current assets	23.4		—		1,319.5		813.1		(1,949.0		)	207.0
Total other assets	1,989.3		2,099.7		4,059.7		3,457.6		(8,754.8		)	2,851.5
Total assets	$	1,992.5	$	2,099.7	$	4,066.1	$	4,985.0	$	(8,761.1	)	$	4,382.2
Liabilities and Equity
Current liabilities
Accounts payable	$	6.3	$	—	$	—	$	265.3	$	(6.3	)	$	265.3
Employee compensation and benefits	0.3		0.1		—		93.8		—			94.2
Other current liabilities	35.7		1.3		6.7		302.1		—			345.8
Total current liabilities	42.3		1.4		6.7		661.2		(6.3		)	705.3
Other liabilities
Long-term debt	59.7		132.4		1,959.9		1,167.7		(1,949.0		)	1,370.7
Pension and other post-retirement compensation and benefits	—		—		—		89.8		—			89.8
Deferred tax liabilities	—		—		—		124.6		—			124.6
Other non-current liabilities	20.1		—		—		201.3		—			221.4
Total liabilities	122.1		133.8		1,966.6		2,244.6		(1,955.3		)	2,511.8
Equity	1,870.4		1,965.9		2,099.5		2,740.4		(6,805.8		)	1,870.4
Total liabilities and equity	$	1,992.5	$	2,099.7	$	4,066.1	$	4,985.0	$	(8,761.1	)	$	4,382.2

Condensed Consolidating Statement of Cash Flows

Three months endedMarch 31, 2019

In millions	Parent Company Guarantor			Subsidiary Guarantor			Subsidiary Issuer			Non-guarantor Subsidiaries			Eliminations			Consolidated Total
Operating activities
Net cash provided by (used for) operating activities	$	(31.8	)	$	57.1		$	54.6		$	(172.8	)	$	(163.4	)	$	(256.3	)
Investing activities
Capital expenditures	—			—			—			(16.8		)	—			(16.8		)
Proceeds from sale of property and equipment	—			—			—			0.3			—			0.3
Proceeds from the sale of businesses	—			—			—			0.7			—			0.7
Acquisitions, net of cash acquired	—			—			—			(287.2		)	—			(287.2		)
Net intercompany loan activity	—			—			(627.8		)	(21.9		)	649.7			—
Other	—			—			—			(1.5		)	—			(1.5		)
Net cash provided by (used for) investing activities	—			—			(627.8		)	(326.4		)	649.7			(304.5		)
Financing activities
Net receipts (repayments) of commercial paper and revolving long-term debt	—			—			605.2			(21.1		)	—			584.1
Net change in advances to subsidiaries	56.9			(57.1		)	(33.6		)	520.1			(486.3		)	—
Shares issued to employees, net of shares withheld	5.9			—			—			—			—			5.9
Dividends paid	(31.0		)	—			—			—			—			(31.0		)
Net cash provided by (used for) financing activities	31.8			(57.1		)	571.6			499.0			(486.3		)	559.0
Effect of exchange rate changes on cash and cash equivalents	—			—			1.5			4.9			—			6.4
Change in cash and cash equivalents	—			—			(0.1		)	4.7			—			4.6
Cash and cash equivalents, beginning of period	0.1			—			0.1			74.1			—			74.3
Cash and cash equivalents, end of period	$	0.1		$	—		$	—		$	78.8		$	—		$	78.9

Condensed Consolidating Statement of Operations and Comprehensive Income (Loss)

Three months ended March 31, 2018

In millions	Parent Company Guarantor			Subsidiary Guarantor			Subsidiary Issuer			Non-guarantor Subsidiaries			Eliminations			Consolidated Total
Net sales	$	—		$	—		$	—		$	732.6		$	—		$	732.6
Cost of goods sold	—			—			—			479.3			—			479.3
Gross profit	—			—			—			253.3			—			253.3
Selling, general and administrative expenses	7.1			—			0.1			134.6			—			141.8
Research and development expenses	—			—			—			18.8			—			18.8
Operating (loss) income	(7.1		)	—			(0.1		)	99.9			—			92.7
(Earnings) loss from continuing operations of investment in subsidiaries	(65.5		)	(65.2		)	(77.9		)	—			208.6			—
Other (income) expense:
Loss on sale of business	—			—			—			5.3			—			5.3
Net interest (income) expense	—			(0.3		)	12.6			1.2			—			13.5
Other expense	—			—			—			0.4			—			0.4
Income (loss) from continuing operations before income taxes	58.4			65.5			65.2			93.0			(208.6		)	73.5
Provision for income taxes	—			—			—			15.1			—			15.1
Net income (loss) from continuing operations	58.4			65.5			65.2			77.9			(208.6		)	58.4
Income from discontinued operations, net of tax	—			—			—			44.5			—			44.5
Earnings (loss) from discontinued operations of investment in subsidiaries	44.5			44.5			44.5			—			(133.5		)	—
Net income (loss)	$	102.9		$	110.0		$	109.7		$	122.4		$	(342.1	)	$	102.9
Comprehensive income (loss), net of tax
Net income (loss)	$	102.9		$	110.0		$	109.7		$	122.4		$	(342.1	)	$	102.9
Changes in cumulative translation adjustment	2.4			2.4			2.4			2.4			(7.2		)	2.4
Changes in market value of derivative financial instruments, net of tax	(3.8		)	(3.8		)	(3.8		)	(3.8		)	11.4			(3.8		)
Comprehensive income (loss)	$	101.5		$	108.6		$	108.3		$	121.0		$	(337.9	)	$	101.5

Condensed Consolidating Balance Sheet

December 31, 2018

In millions	Parent Company Guarantor		Subsidiary Guarantor		Subsidiary Issuer		Non-guarantor Subsidiaries		Eliminations			Consolidated Total
Assets
Current assets
Cash and cash equivalents	$	0.1	$	—	$	0.1	$	74.1	$	—		$	74.3
Accounts and notes receivable, net	4.6		—		—		483.6		—			488.2
Inventories	—		—		—		387.5		—			387.5
Other current assets	3.4		—		2.2		99.2		(15.4		)	89.4
Total current assets	8.1		—		2.3		1,044.4		(15.4		)	1,039.4
Property, plant and equipment, net	—		—		—		272.6		—			272.6
Other assets
Investments in subsidiaries	1,903.8		2,036.1		2,675.7		—		(6,615.6		)	—
Goodwill	—		—		—		2,072.7		—			2,072.7
Intangibles, net	—		—		—		276.3		—			276.3
Other non-current assets	23.3		—		696.1		729.7		(1,303.6		)	145.5
Total other assets	1,927.1		2,036.1		3,371.8		3,078.7		(7,919.2		)	2,494.5
Total assets	$	1,935.2	$	2,036.1	$	3,374.1	$	4,395.7	$	(7,934.6	)	$	3,806.5
Liabilities and Equity
Current liabilities
Accounts payable	$	0.9	$	—	$	—	$	377.7	$	—		$	378.6
Employee compensation and benefits	0.2		—		—		111.5		—			111.7
Other current liabilities	47.6		1.5		4.4		290.3		(15.4		)	328.4
Total current liabilities	48.7		1.5		4.4		779.5		(15.4		)	818.7
Other liabilities
Long-term debt	29.9		130.8		1,333.9		596.6		(1,303.6		)	787.6
Pension and other post-retirement compensation and benefits	—		—		—		90.0		—			90.0
Deferred tax liabilities	—		—		—		105.9		—			105.9
Other non-current liabilities	20.5		—		—		147.7		—			168.2
Total liabilities	99.1		132.3		1,338.3		1,719.7		(1,319.0		)	1,970.4
Equity	1,836.1		1,903.8		2,035.8		2,676.0		(6,615.6		)	1,836.1
Total liabilities and equity	$	1,935.2	$	2,036.1	$	3,374.1	$	4,395.7	$	(7,934.6	)	$	3,806.5

Condensed Consolidating Statement of Cash Flows

Three months endedMarch 31, 2018

In millions	Parent Company Guarantor			Subsidiary Guarantor			Subsidiary Issuer			Non-guarantor Subsidiaries			Eliminations			Consolidated Total
Operating activities
Net cash provided by (used for) operating activities	$	82.8		$	111.6		$	109.3		$	4.3		$	(475.6	)	$	(167.6	)
Investing activities
Capital expenditures	—			—			—			(11.5		)	—			(11.5		)
Proceeds from sale of property and equipment	—			—			—			—			—			—
Proceeds from sale of businesses, net	—			—			—			(13.8		)	—			(13.8		)
Acquisitions, net of cash acquired	—			—			—			(0.9		)	—			(0.9		)
Net intercompany loan activity	—			(1.9		)	(262.6		)	103.1			161.4			—
Net cash provided by (used for) investing activities of continuing operations	—			(1.9		)	(262.6		)	76.9			161.4			(26.2		)
Net cash provided by (used for) investing activities of discontinued operations	—			—			—			(5.0		)	—			(5.0		)
Net cash provided by (used for) investing activities	—			(1.9		)	(262.6		)	71.9			161.4			(31.2		)
Financing activities
Net repayments of commercial paper and revolving long-term debt	—			—			223.8			193.7			—			417.5
Net change in advances to subsidiaries	129.8			(109.7		)	(91.6		)	(242.7		)	314.2			—
Shares issued to employees, net of shares withheld	0.9			—			—			—			—			0.9
Repurchases of ordinary shares	(150.0		)	—			—			—			—			(150.0		)
Dividends paid	(63.3		)	—			—			—			—			(63.3		)
Net cash provided by (used for) financing activities of continuing operations	(82.6		)	(109.7		)	132.2			(49.0		)	314.2			205.1
Net cash provided by financing activities of discontinued operations	—			—			—			792.7			—			792.7
Net cash provided by (used for) financing activities	(82.6		)	(109.7		)	132.2			743.7			314.2			997.8
Change in cash held for sale	—			—			—			(809.7		)	—			(809.7		)
Effect of exchange rate changes on cash and cash equivalents	—			—			21.1			(25.9		)	—			(4.8		)
Change in cash and cash equivalents	0.2			—			—			(15.7		)	—			(15.5		)
Cash and cash equivalents, beginning of period	—			—			—			86.3			—			86.3
Cash and cash equivalents, end of period	$	0.2		$	—		$	—		$	70.6		$	—		$	70.8

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Basis of Presentation and Responsibility for Interim Financial Statements (Tables)

3 Months Ended

Mar. 31, 2019

Accounting Policies [Abstract]

Schedule of New Accounting Pronouncements and Changes in Accounting Principles

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Revenue (Tables)

3 Months Ended

Mar. 31, 2019

Mar. 31, 2018

Revenue from Contract with Customer [Abstract]

Contract with Customer, Asset and Liability

Contract assets and liabilities

Contract assets and liabilities consisted of the following:

In millions	March 31, 2019		December 31, 2018		$ Change		% Change
Contract assets	$	38.4	$	36.5	$	1.9	5.2	%
Contract liabilities	32.9		32.8		0.1		0.3	%
Net contract assets	$	5.5	$	3.7	$	1.8	48.6	%

Disaggregation of Revenue

Geographic net sales information, based on geographic destination of the sale, was as follows:

	Three months ended
In millions	March 31, 2019		March 31, 2018
U.S.	$	426.0	$	452.4
Western Europe	104.3		110.3
Developing (1)	108.9		113.0
Other Developed (2)	49.7		56.9
Consolidated net sales	$	688.9	$	732.6
(1)Developing includes China, Eastern Europe, Latin America, the Middle East and Southeast Asia.
(2) Other Developed includes Australia, Canada and Japan.

Vertical net sales information was as follows:

	Three months ended
In millions	March 31, 2019		March 31, 2018
Residential	$	383.6	$	412.2
Commercial	150.7		151.8
Industrial	154.6		168.6
Consolidated net sales	$	688.9	$	732.6

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Discontinued Operations (Tables)

3 Months Ended

Mar. 31, 2019

Discontinued Operations and Disposal Groups [Abstract]

Disposal Groups, Including Discontinued Operations

Operating results of the discontinued operation is summarized below:

	Three months ended
In millions	March 31, 2019			March 31, 2018
Net sales	$	—		$	538.9
Cost of goods sold	—			330.2
Gross profit	—			208.7
Selling, general and administrative expenses	0.3			137.8
Research and development expenses	—			11.3
Operating income (loss)	$	(0.3	)	$	59.6
(Loss) income from discontinued operations before income taxes	$	(0.8	)	$	58.2
Income tax provision	0.3			13.7
(Loss) income from discontinued operations, net of tax	$	(1.1	)	$	44.5

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Share Plans (Tables)

3 Months Ended

Mar. 31, 2019

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

Share-based Compensation Expense

Total share-based compensation expense for the three months endedMarch 31, 2019 and 2018 was as follows:

	Three months ended
In millions	March 31, 2019		March 31, 2018
Restricted stock units	$	2.8	$	2.4
Stock options	1.4		1.2
Performance share units	1.2		2.4
Total share-based compensation expense	$	5.4	$	6.0

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

We estimated the fair value of each stock option award issued in the annual share-based compensation grant using a Black-Scholes option pricing model, modified for dividends and using the following assumptions:

	2019 Annual Grant
Risk-free interest rate	2.89	%
Expected dividend yield	1.78	%
Expected share price volatility	23.3	%
Expected term (years)	6.1

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Restructuring (Tables)

3 Months Ended

Mar. 31, 2019

Restructuring and Related Activities [Abstract]

Restructuring Related Costs

Restructuring-related costs included in Selling, general and administrative expenses in the Condensed Consolidated Statements of Operations and Comprehensive Income included costs for severance and other restructuring costs as follows:

	Three months ended
In millions	March 31, 2019		March 31, 2018
Severance and related costs	$	1.1	$	5.4
Other	—		0.2
Total restructuring costs	$	1.1	$	5.6

Restructuring Costs By Segment [Table Text Block]

Restructuring costs by reportable segment were as follows:

	Three months ended
In millions	March 31, 2019			March 31, 2018
Aquatic Systems	$	0.9		$	1.8
Filtration Solutions	0.4			2.0
Flow Technologies	(0.3		)	1.7
Other	0.1			0.1
Consolidated	$	1.1		$	5.6

Restructuring Accrual Activity Recorded on Consolidated Balance Sheets

Activity related to accrued severance and related costs recorded in Other current liabilities in the Condensed Consolidated Balance Sheets is summarized as follows for the three months endedMarch 31, 2019:

In millions	March 31, 2019
Beginning balance	$	27.1
Costs incurred	1.1
Cash payments and other	(8.0		)
Ending balance	$	20.2

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Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2019

Basic and Diluted Earnings Per Share

Basic and diluted earnings per share were calculated as follows:

	Three months ended
In millions, except per-share data	March 31, 2019			March 31, 2018
Net income	$	51.3		$	102.9
Net income from continuing operations	$	52.4		$	58.4
Weighted average ordinary shares outstanding
Basic	171.6			179.2
Dilutive impact of stock options, restricted stock units and performance share units	0.9			2.3
Diluted	172.5			181.5
Earnings (loss) per ordinary share
Basic
Continuing operations	$	0.31		$	0.33
Discontinued operations	(0.01		)	0.24
Basic earnings per ordinary share	$	0.30		$	0.57
Diluted
Continuing operations	$	0.30		$	0.32
Discontinued operations	—			0.25
Diluted earnings per ordinary share	$	0.30		$	0.57
Anti-dilutive stock options excluded from the calculation of diluted earnings per share	1.7			0.4

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Supplemental Balance Sheet Information (Tables)

3 Months Ended

Mar. 31, 2019

Disclosure Supplemental Balance Sheet Information [Abstract]

Supplemental Balance Sheet Information

In millions	March 31, 2019		December 31, 2018
Inventories
Raw materials and supplies	$	208.5	$	191.3
Work-in-process	68.3		64.0
Finished goods	145.0		132.2
Total inventories	$	421.8	$	387.5
Other current assets
Cost in excess of billings	$	38.4	$	36.5
Prepaid expenses	52.7		36.7
Prepaid income taxes	5.3		8.5
Other current assets	8.8		7.7
Total other current assets	$	105.2	$	89.4
Property, plant and equipment, net
Land and land improvements	$	33.6	$	33.5
Buildings and leasehold improvements	179.6		178.9
Machinery and equipment	604.1		593.8
Construction in progress	39.6		35.7
Total property, plant and equipment	856.9		841.9
Accumulated depreciation and amortization	577.8		569.3
Total property, plant and equipment, net	$	279.1	$	272.6
Other non-current assets
Right-of-use lease assets	$	74.7	$	—
Deferred income taxes	26.3		26.2
Deferred compensation plan assets	21.2		20.9
Other non-current assets	84.8		98.4
Total other non-current assets	$	207.0	$	145.5
Other current liabilities
Dividends payable	$	30.9	$	30.8
Accrued warranty	34.6		33.9
Accrued rebates	45.7		55.7
Billings in excess of cost	19.7		21.3
Current lease liability	19.9		—
Income taxes payable	9.9		10.4
Accrued restructuring	20.2		27.1
Other current liabilities	164.9		149.2
Total other current liabilities	$	345.8	$	328.4
Other non-current liabilities
Long-term lease liability	$	57.7	$	—
Income taxes payable	46.8		46.8
Self-insurance liabilities	45.7		47.7
Deferred compensation plan liabilities	21.2		20.9
Foreign currency contract liabilities	23.9		30.6
Other non-current liabilities	26.1		22.2
Total other non-current liabilities	$	221.4	$	168.2

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Goodwill and Other Identifiable Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Carrying Amount of Goodwill by Segment

The changes in the carrying amount of goodwill by reportable segment were as follows:

In millions	December 31, 2018		Acquisitions		Foreign currency  translation/other			March 31, 2019
Aquatic Systems	$	965.9	$	—	$	(0.6	)	$	965.3
Filtration Solutions	643.5		216.5		(4.5		)	855.5
Flow Technologies	463.3		—		(1.1		)	462.2
Total goodwill	$	2,072.7	$	216.5	$	(6.2	)	$	2,283.0

Detail of Identifiable Intangible Assets

Identifiable intangible assets consisted of the following:

	March 31, 2019							December 31, 2018
In millions	Cost		Accumulated amortization			Net		Cost		Accumulated amortization			Net
Definite-life intangibles
Customer relationships	$	424.6	$	(253.3	)	$	171.3	$	347.1	$	(247.9	)	$	99.2
Trade names	0.4		(0.4		)	—		0.4		(0.4		)	—
Proprietary technology and patents	85.5		(69.6		)	15.9		86.2		(68.4		)	17.8
Total definite-life intangibles	510.5		(323.3		)	187.2		433.7		(316.7		)	117.0
Indefinite-life intangibles
Trade names	174.3		—			174.3		159.3		—			159.3
Total intangibles	$	684.8	$	(323.3	)	$	361.5	$	593.0	$	(316.7	)	$	276.3

Estimated Future Amortization Expense for Identifiable Intangible Assets

Estimated future amortization expense for identifiable intangible assets during the remainder of 2019 and the next five years is as follows:

	Q2-Q4
In millions	2019		2020		2021		2022		2023		2024
Estimated amortization expense	$	23.4	$	27.5	$	22.4	$	15.3	$	13.0	$	12.4

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Debt (Tables)

3 Months Ended

Mar. 31, 2019

Debt Disclosure [Abstract]

Debt and Average Interest Rates on Debt Outstanding

Debt and the average interest rates on debt outstanding were as follows:

In millions	Average interest rate as of March 31, 2019	Maturity Year	March 31, 2019			December 31, 2018
Commercial paper	3.171%	2023	$	681.2		$	76.0
Revolving credit facilities	3.595%	2023	5.0			26.2
Senior notes - fixed rate (1)	2.650%	2019	250.0			250.0
Senior notes - fixed rate - Euro (1)	2.450%	2019	153.6			155.1
Senior notes - fixed rate (1)	3.625%	2020	74.0			74.0
Senior notes - fixed rate (1)	5.000%	2021	103.8			103.8
Senior notes - fixed rate (1)	3.150%	2022	88.3			88.3
Senior notes - fixed rate (1)	4.650%	2025	19.3			19.3
Unamortized debt issuance costs and discounts	N/A	N/A	(4.5		)	(5.1		)
Total debt			$	1,370.7		$	787.6
(1) Senior notes are guaranteed as to payment by Pentair and PISG.

Debt Outstanding Matures on Calendar Year Basis

Debt outstanding, excluding unamortized issuance costs and discounts, at March 31, 2019 matures on a calendar year basis as follows:

	Q2-Q4
In millions	2019		2020		2021		2022		2023		2024		Thereafter		Total
Contractual debt obligation maturities	$	403.6	$	74.0	$	103.8	$	88.3	$	686.2	$	—	$	19.3	$	1,375.2

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Derivatives and Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2019

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Financial Assets and Liabilities Measured at Fair Value on Recurring Basis

Financial assets and liabilities measured at fair value on a recurring and nonrecurring basis were as follows:

	March 31, 2019
In millions	Level 1		Level 2			Level 3		NAV		Total
Recurring fair value measurements
Foreign currency contract assets	$	—	$	0.3		$	—	$	—	$	0.3
Foreign currency contract liabilities	—		(23.9		)	—		—		(23.9		)
Deferred compensation plan assets	17.0		—			—		4.2		21.2
Total recurring fair value measurements	$	17.0	$	(23.6	)	$	—	$	4.2	$	(2.4	)

	December 31, 2018
In millions	Level 1		Level 2			Level 3		NAV		Total
Recurring fair value measurements
Foreign currency contract liabilities	$	—	$	(30.6	)	$	—	$	—	$	(30.6	)
Deferred compensation plan assets	17.6		—			—		3.3		20.9
Total recurring fair value measurements	$	17.6	$	(30.6	)	$	—	$	3.3	$	(9.7	)

Recorded Amounts and Estimated Fair Values of Long-term Debt and Derivative Financial Instruments

The recorded amounts and estimated fair values of total debt, excluding unamortized issuance costs and discounts, were as follows:

	March 31, 2019				December 31, 2018
In millions	Recorded Amount		Fair Value		Recorded Amount		Fair Value
Variable rate debt	$	686.2	$	686.2	$	102.2	$	102.2
Fixed rate debt	689.0		694.6		690.5		691.8
Total debt	$	1,375.2	$	1,380.8	$	792.7	$	794.0

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Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2019

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs

	Three months ended
In millions	March 31, 2019			March 31, 2018
Service cost	$	0.7		$	1.0
Interest cost	2.7			3.0
Expected return on plan assets	(1.7		)	(2.2		)
Net periodic benefit cost	$	1.7		$	1.8

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Segment Information (Tables)

3 Months Ended

Mar. 31, 2019

Segment Reporting [Abstract]

Financial Information by Reportable Segment

Financial information by reportable segment is as follows:

	Three months ended
In millions	March 31, 2019			March 31, 2018
Net sales
Aquatic Systems	$	220.5		$	240.4
Filtration Solutions	239.3			251.6
Flow Technologies	228.7			240.3
Other	0.4			0.3
Consolidated	$	688.9		$	732.6
Segment income (loss)
Aquatic Systems	$	52.4		$	60.0
Filtration Solutions	33.7			33.7
Flow Technologies	30.1			38.7
Other	(17.5		)	(15.4		)
Consolidated	$	98.7		$	117.0

Reconciliation of Operating Profit (Loss) from Segments to Consolidated

The following table presents a reconciliation of consolidated segment income to consolidated income from continuing operations before income taxes:

	Three months ended
In millions	March 31, 2019			March 31, 2018
Segment income	$	98.7		$	117.0
Deal-related costs and expenses	(4.2		)	—
Inventory step-up	(1.7		)	—
Restructuring and other	(1.1		)	(5.6		)
Intangible amortization	(8.2		)	(9.3		)
Asset impairment	(15.3		)	—
Gain (loss) on sale of business	3.5			(5.3		)
Corporate allocations	—			(8.8		)
Net interest expense	(7.3		)	(13.5		)
Other expense	(1.2		)	(1.0		)
Income from continuing operations before income taxes	$	63.2		$	73.5

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Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2019

Commitments and Contingencies Disclosure [Abstract]

Components of Lease Cost and Other Information Related to Leases

Other information related to leases was as follows:

	March 31, 2019
Weighted-average remaining lease term of operating leases	5 years
Weighted-average discount rate of operating leases	6.2	%

The components of lease cost for the three months endedMarch 31, 2019 were as follows:

In millions	March 31, 2019
Operating lease cost	$	8.6
Sublease income	(0.2		)
Total lease cost	$	8.4

Supplemental Cash Flow Information Related to Leases

Supplemental cash flow information related to leases for the three months endedMarch 31, 2019 was as follows:

In millions	March 31, 2019
Operating cash flows from operating leases	$	6.6
Right-of-use assets obtained in exchange for lease obligations	79.5

Future Minimum Lease Commitments Under Non-cancelable Operating Leases

Future minimum lease commitments under non-cancelable operating leases, as of March 31, 2019 were as follows:

In millions	Operating Leases
Q2 through Q4 2019	$	18.5
2020	19.6
2021	14.9
2022	12.3
2023	10.3
Thereafter	15.6
Total lease payments	91.2
Less: imputed interest	(13.6		)
Total	$	77.6

Future minimum lease commitments under non-cancelable operating leases based on accounting standards

Changes in Carrying Amount of Service and Product Warranties

The changes in the carrying amount of service and product warranties of continuing operations for the three months endedMarch 31, 2019 were as follows:

In millions	March 31, 2019
Beginning balance	$	33.9
Service and product warranty provision	11.2
Payments	(10.5		)
Ending balance	$	34.6

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Supplemental Guarantor Information (Tables)

3 Months Ended

Mar. 31, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Condensed Consolidating Statement of Operations and Comprehensive Income (Loss)

Condensed Consolidating Statement of Operations and Comprehensive Income (Loss)

Three months ended March 31, 2018

In millions	Parent Company Guarantor			Subsidiary Guarantor			Subsidiary Issuer			Non-guarantor Subsidiaries			Eliminations			Consolidated Total
Net sales	$	—		$	—		$	—		$	732.6		$	—		$	732.6
Cost of goods sold	—			—			—			479.3			—			479.3
Gross profit	—			—			—			253.3			—			253.3
Selling, general and administrative expenses	7.1			—			0.1			134.6			—			141.8
Research and development expenses	—			—			—			18.8			—			18.8
Operating (loss) income	(7.1		)	—			(0.1		)	99.9			—			92.7
(Earnings) loss from continuing operations of investment in subsidiaries	(65.5		)	(65.2		)	(77.9		)	—			208.6			—
Other (income) expense:
Loss on sale of business	—			—			—			5.3			—			5.3
Net interest (income) expense	—			(0.3		)	12.6			1.2			—			13.5
Other expense	—			—			—			0.4			—			0.4
Income (loss) from continuing operations before income taxes	58.4			65.5			65.2			93.0			(208.6		)	73.5
Provision for income taxes	—			—			—			15.1			—			15.1
Net income (loss) from continuing operations	58.4			65.5			65.2			77.9			(208.6		)	58.4
Income from discontinued operations, net of tax	—			—			—			44.5			—			44.5
Earnings (loss) from discontinued operations of investment in subsidiaries	44.5			44.5			44.5			—			(133.5		)	—
Net income (loss)	$	102.9		$	110.0		$	109.7		$	122.4		$	(342.1	)	$	102.9
Comprehensive income (loss), net of tax
Net income (loss)	$	102.9		$	110.0		$	109.7		$	122.4		$	(342.1	)	$	102.9
Changes in cumulative translation adjustment	2.4			2.4			2.4			2.4			(7.2		)	2.4
Changes in market value of derivative financial instruments, net of tax	(3.8		)	(3.8		)	(3.8		)	(3.8		)	11.4			(3.8		)
Comprehensive income (loss)	$	101.5		$	108.6		$	108.3		$	121.0		$	(337.9	)	$	101.5

Schedule of Condensed Consolidating Balance Sheet

Condensed Consolidating Balance Sheet

March 31, 2019

In millions	Parent Company Guarantor		Subsidiary Guarantor		Subsidiary Issuer		Non-guarantor Subsidiaries		Eliminations			Consolidated Total
Assets
Current assets
Cash and cash equivalents	$	0.1	$	—	$	—	$	78.8	$	—		$	78.9
Accounts and notes receivable, net	—		—		6.3		645.7		(6.3		)	645.7
Inventories	—		—		—		421.8		—			421.8
Other current assets	3.1		—		0.1		102.0		—			105.2
Total current assets	3.2		—		6.4		1,248.3		(6.3		)	1,251.6
Property, plant and equipment, net	—		—		—		279.1		—			279.1
Other assets
Investments in subsidiaries	1,965.9		2,099.7		2,740.2		—		(6,805.8		)	—
Goodwill	—		—		—		2,283.0		—			2,283.0
Intangibles, net	—		—		—		361.5		—			361.5
Other non-current assets	23.4		—		1,319.5		813.1		(1,949.0		)	207.0
Total other assets	1,989.3		2,099.7		4,059.7		3,457.6		(8,754.8		)	2,851.5
Total assets	$	1,992.5	$	2,099.7	$	4,066.1	$	4,985.0	$	(8,761.1	)	$	4,382.2
Liabilities and Equity
Current liabilities
Accounts payable	$	6.3	$	—	$	—	$	265.3	$	(6.3	)	$	265.3
Employee compensation and benefits	0.3		0.1		—		93.8		—			94.2
Other current liabilities	35.7		1.3		6.7		302.1		—			345.8
Total current liabilities	42.3		1.4		6.7		661.2		(6.3		)	705.3
Other liabilities
Long-term debt	59.7		132.4		1,959.9		1,167.7		(1,949.0		)	1,370.7
Pension and other post-retirement compensation and benefits	—		—		—		89.8		—			89.8
Deferred tax liabilities	—		—		—		124.6		—			124.6
Other non-current liabilities	20.1		—		—		201.3		—			221.4
Total liabilities	122.1		133.8		1,966.6		2,244.6		(1,955.3		)	2,511.8
Equity	1,870.4		1,965.9		2,099.5		2,740.4		(6,805.8		)	1,870.4
Total liabilities and equity	$	1,992.5	$	2,099.7	$	4,066.1	$	4,985.0	$	(8,761.1	)	$	4,382.2

Condensed Consolidating Balance Sheet

December 31, 2018

In millions	Parent Company Guarantor		Subsidiary Guarantor		Subsidiary Issuer		Non-guarantor Subsidiaries		Eliminations			Consolidated Total
Assets
Current assets
Cash and cash equivalents	$	0.1	$	—	$	0.1	$	74.1	$	—		$	74.3
Accounts and notes receivable, net	4.6		—		—		483.6		—			488.2
Inventories	—		—		—		387.5		—			387.5
Other current assets	3.4		—		2.2		99.2		(15.4		)	89.4
Total current assets	8.1		—		2.3		1,044.4		(15.4		)	1,039.4
Property, plant and equipment, net	—		—		—		272.6		—			272.6
Other assets
Investments in subsidiaries	1,903.8		2,036.1		2,675.7		—		(6,615.6		)	—
Goodwill	—		—		—		2,072.7		—			2,072.7
Intangibles, net	—		—		—		276.3		—			276.3
Other non-current assets	23.3		—		696.1		729.7		(1,303.6		)	145.5
Total other assets	1,927.1		2,036.1		3,371.8		3,078.7		(7,919.2		)	2,494.5
Total assets	$	1,935.2	$	2,036.1	$	3,374.1	$	4,395.7	$	(7,934.6	)	$	3,806.5
Liabilities and Equity
Current liabilities
Accounts payable	$	0.9	$	—	$	—	$	377.7	$	—		$	378.6
Employee compensation and benefits	0.2		—		—		111.5		—			111.7
Other current liabilities	47.6		1.5		4.4		290.3		(15.4		)	328.4
Total current liabilities	48.7		1.5		4.4		779.5		(15.4		)	818.7
Other liabilities
Long-term debt	29.9		130.8		1,333.9		596.6		(1,303.6		)	787.6
Pension and other post-retirement compensation and benefits	—		—		—		90.0		—			90.0
Deferred tax liabilities	—		—		—		105.9		—			105.9
Other non-current liabilities	20.5		—		—		147.7		—			168.2
Total liabilities	99.1		132.3		1,338.3		1,719.7		(1,319.0		)	1,970.4
Equity	1,836.1		1,903.8		2,035.8		2,676.0		(6,615.6		)	1,836.1
Total liabilities and equity	$	1,935.2	$	2,036.1	$	3,374.1	$	4,395.7	$	(7,934.6	)	$	3,806.5

Schedule of Condensed Consolidating Statement of Cash Flows

Condensed Consolidating Statement of Cash Flows

Three months endedMarch 31, 2019

In millions	Parent Company Guarantor			Subsidiary Guarantor			Subsidiary Issuer			Non-guarantor Subsidiaries			Eliminations			Consolidated Total
Operating activities
Net cash provided by (used for) operating activities	$	(31.8	)	$	57.1		$	54.6		$	(172.8	)	$	(163.4	)	$	(256.3	)
Investing activities
Capital expenditures	—			—			—			(16.8		)	—			(16.8		)
Proceeds from sale of property and equipment	—			—			—			0.3			—			0.3
Proceeds from the sale of businesses	—			—			—			0.7			—			0.7
Acquisitions, net of cash acquired	—			—			—			(287.2		)	—			(287.2		)
Net intercompany loan activity	—			—			(627.8		)	(21.9		)	649.7			—
Other	—			—			—			(1.5		)	—			(1.5		)
Net cash provided by (used for) investing activities	—			—			(627.8		)	(326.4		)	649.7			(304.5		)
Financing activities
Net receipts (repayments) of commercial paper and revolving long-term debt	—			—			605.2			(21.1		)	—			584.1
Net change in advances to subsidiaries	56.9			(57.1		)	(33.6		)	520.1			(486.3		)	—
Shares issued to employees, net of shares withheld	5.9			—			—			—			—			5.9
Dividends paid	(31.0		)	—			—			—			—			(31.0		)
Net cash provided by (used for) financing activities	31.8			(57.1		)	571.6			499.0			(486.3		)	559.0
Effect of exchange rate changes on cash and cash equivalents	—			—			1.5			4.9			—			6.4
Change in cash and cash equivalents	—			—			(0.1		)	4.7			—			4.6
Cash and cash equivalents, beginning of period	0.1			—			0.1			74.1			—			74.3
Cash and cash equivalents, end of period	$	0.1		$	—		$	—		$	78.8		$	—		$	78.9

Condensed Consolidating Statement of Cash Flows

Three months endedMarch 31, 2018

In millions	Parent Company Guarantor			Subsidiary Guarantor			Subsidiary Issuer			Non-guarantor Subsidiaries			Eliminations			Consolidated Total
Operating activities
Net cash provided by (used for) operating activities	$	82.8		$	111.6		$	109.3		$	4.3		$	(475.6	)	$	(167.6	)
Investing activities
Capital expenditures	—			—			—			(11.5		)	—			(11.5		)
Proceeds from sale of property and equipment	—			—			—			—			—			—
Proceeds from sale of businesses, net	—			—			—			(13.8		)	—			(13.8		)
Acquisitions, net of cash acquired	—			—			—			(0.9		)	—			(0.9		)
Net intercompany loan activity	—			(1.9		)	(262.6		)	103.1			161.4			—
Net cash provided by (used for) investing activities of continuing operations	—			(1.9		)	(262.6		)	76.9			161.4			(26.2		)
Net cash provided by (used for) investing activities of discontinued operations	—			—			—			(5.0		)	—			(5.0		)
Net cash provided by (used for) investing activities	—			(1.9		)	(262.6		)	71.9			161.4			(31.2		)
Financing activities
Net repayments of commercial paper and revolving long-term debt	—			—			223.8			193.7			—			417.5
Net change in advances to subsidiaries	129.8			(109.7		)	(91.6		)	(242.7		)	314.2			—
Shares issued to employees, net of shares withheld	0.9			—			—			—			—			0.9
Repurchases of ordinary shares	(150.0		)	—			—			—			—			(150.0		)
Dividends paid	(63.3		)	—			—			—			—			(63.3		)
Net cash provided by (used for) financing activities of continuing operations	(82.6		)	(109.7		)	132.2			(49.0		)	314.2			205.1
Net cash provided by financing activities of discontinued operations	—			—			—			792.7			—			792.7
Net cash provided by (used for) financing activities	(82.6		)	(109.7		)	132.2			743.7			314.2			997.8
Change in cash held for sale	—			—			—			(809.7		)	—			(809.7		)
Effect of exchange rate changes on cash and cash equivalents	—			—			21.1			(25.9		)	—			(4.8		)
Change in cash and cash equivalents	0.2			—			—			(15.7		)	—			(15.5		)
Cash and cash equivalents, beginning of period	—			—			—			86.3			—			86.3
Cash and cash equivalents, end of period	$	0.2		$	—		$	—		$	70.6		$	—		$	70.8

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Basis of Presentation and Responsibility for Interim Financial Statements - Adoption of New Accounting Standards (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating Lease, Liability, Current	$ 19.9		$ 0.0
Operating Lease, Liability, Noncurrent	57.7		0.0
Net periodic benefit cost	1.7	$ 1.8
Operating Lease, Right-of-Use Asset	$ 74.7		$ 0.0

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Revenue - Schedule of Contract Assets and Liabilities (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Dec. 31, 2018
Revenue from Contract with Customer [Abstract]
Contract assets	$ 38,400,000	$ 36,500,000
Contract liabilities	32,900,000	32,800,000
Net contract assets	5,500,000	$ 3,700,000
$ Change
Contract assets	1,900,000
Contract liabilities	100,000
Net contract assets	$ 1,800,000
% Change
Contract assets	5.20%
Contract liabilities	0.30%
Net contract assets	48.60%
Percent of contract liabilities	50.00%
Impairment losses on contract assets	$ 0

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Revenue - Additional Information (Details)	3 Months Ended
	Mar. 31, 2019 USD ($)
Disaggregation of Revenue [Line Items]
Percent of contract liabilities	50.00%
Change in net contract assets	$ 1,800,000
Impairment losses on contract assets	$ 0

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Revenue - Performance Obligations (Details) $ in Millions	Mar. 31, 2019 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-07-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, remaining performance obligation	$ 66.4
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2018-07-01 | Minimum
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, remaining performance obligation period	12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2018-07-01 | Maximum
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, remaining performance obligation period	18 months

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Revenue - Geographic Net Sales Information by Segment (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Disaggregation of Revenue [Line Items]
Net sales	$ 688.9	$ 732.6
Residential
Disaggregation of Revenue [Line Items]
Net sales	383.6	412.2
Commercial
Disaggregation of Revenue [Line Items]
Net sales	150.7	151.8
Industrial
Disaggregation of Revenue [Line Items]
Net sales	154.6	168.6
U.S.
Disaggregation of Revenue [Line Items]
Net sales	426.0	452.4
Western Europe
Disaggregation of Revenue [Line Items]
Net sales	104.3	110.3
Developing
Disaggregation of Revenue [Line Items]
Net sales	108.9	113.0
Other Developed
Disaggregation of Revenue [Line Items]
Net sales	$ 49.7	$ 56.9

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Acquisitions and Discontinued Operations Acquisitions (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended
	Feb. 28, 2019	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Business Acquisition [Line Items]
Acquisitions, net of cash acquired		$ 287.2	$ 0.9
Goodwill		$ 2,283.0		$ 2,072.7
Aquion
Business Acquisition [Line Items]
Acquisitions, net of cash acquired	$ 164.7
Goodwill	94.6
Indefinite-lived trade name intangible assets	15.7
Definite-lived customer relationships	$ 78.8
Estimated useful life	15 years
Pelican
Business Acquisition [Line Items]
Acquisitions, net of cash acquired	$ 122.5
Goodwill	$ 121.9

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Acquisitions and Discontinued Operations Additional Information (Details) $ in Millions	3 Months Ended
	Mar. 31, 2018 USD ($)
Discontinued Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Separation costs	$ 24.6

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Acquisitions and Discontinued Operations Income Statement (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Discontinued Operations and Disposal Groups [Abstract]
Net sales	$ 0.0	$ 538.9
Cost of goods sold	0.0	330.2
Gross profit	0.0	208.7
Selling, general and administrative	0.3	137.8
Research and development	0.0	11.3
Operating income (loss)	(0.3)	59.6
(Loss) income from discontinued operations before income taxes	(0.8)	58.2
Income tax provision	0.3	13.7
(Loss) income from discontinued operations, net of tax	$ (1.1)	$ 44.5

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Share Plans - Schedule of Share-based Compensation Expense (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense	$ 5.4	$ 6.0
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense	2.8	2.4
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense	1.4	1.2
Performance share units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense	$ 1.2	$ 2.4

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Share Plans - Schedule of Valuation Assumptions (Details)	3 Months Ended
	Mar. 31, 2019
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Risk-free interest rate	2.89%
Expected dividend yield	1.78%
Expected share price volatility	23.30%
Expected term (years)	6 years 1 month

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Share Plans - Additional Information (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation associated with discontinued operations		$ 2.0
2012 Stock Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued (in shares)	0.8
2012 Stock Incentive Plan | Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted (in shares)	0.3
Weighted-average grant date fair value (in dollars per share)	$ 40.84
2012 Stock Incentive Plan | Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grants in period (in shares)	0.4
Weighted-average grant date fair value of options (in dollars per share)	$ 8.84
2012 Stock Incentive Plan | Performance share units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted (in shares)	0.1
Weighted-average grant date fair value (in dollars per share)	$ 38.47

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Restructuring - Additional Information (Detail) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2019 USD ($) Person	Mar. 31, 2018 USD ($)	Dec. 31, 2018 Person
Restructuring Cost and Reserve [Line Items]
Number of employees | Person	10		300
Total restructuring costs	$ 1.1	$ 5.6
Aquatic Systems
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	0.9	1.8
Filtration Solutions
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	0.4	2.0
Flow Technologies
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	(0.3)	1.7
Other
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	$ 0.1	$ 0.1

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Restructuring - Costs Included in Selling, General & Administrative Expenses (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 1.1	$ 5.6
Severance and related costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	1.1	5.4
Other
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 0.0	$ 0.2

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Restructuring - Accrual Activity (Detail) $ in Millions	3 Months Ended
	Mar. 31, 2019 USD ($)
Restructuring Reserve [Roll Forward]
Beginning balance	$ 27.1
Costs incurred	1.1
Cash payments and other	(8.0)
Ending balance	$ 20.2

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Earnings Per Share - Basic and Diluted Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Earnings Per Share [Abstract]
Net income	$ 51.3	$ 102.9
Net income from continuing operations	$ 52.4	$ 58.4
Weighted average common shares outstanding
Basic (shares)	171.6	179.2
Dilutive impact of stock options, restricted stock units and performance share units	0.9	2.3
Diluted (shares)	172.5	181.5
Earnings (loss) Per Share, Basic
Continuing operations (in dollars per share)	$ 0.31	$ 0.33
Discontinued operations (in dollars per share)	(0.01)	0.24
Basic earnings (loss) per ordinary share (in dollars per share)	0.30	0.57
Earnings (loss) Per Share, Diluted
Continuing operations (in dollars per share)	0.30	0.32
Discontinued operations (in dollars per share)	0.00	0.25
Diluted earnings (loss) per ordinary share (in dollars per share)	$ 0.30	$ 0.57
Anti-dilutive stock options excluded from the calculation of diluted earnings per share	1.7	0.4

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Supplemental Balance Sheet Information (Detail) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Inventories
Raw materials and supplies	$ 208.5	$ 191.3
Work-in-process	68.3	64.0
Finished goods	145.0	132.2
Total inventories	421.8	387.5
Other current assets
Cost in excess of billings	38.4	36.5
Prepaid expenses	52.7	36.7
Prepaid income taxes	5.3	8.5
Other current assets	8.8	7.7
Total other current assets	105.2	89.4
Property, plant and equipment, net
Land and land improvements	33.6	33.5
Buildings and leasehold improvements	179.6	178.9
Machinery and equipment	604.1	593.8
Construction in progress	39.6	35.7
Total property, plant and equipment	856.9	841.9
Accumulated depreciation and amortization	577.8	569.3
Total property, plant and equipment, net	279.1	272.6
Operating Lease, Right-of-Use Asset	74.7	0.0
Other non-current assets
Prepaid income taxes	26.3	26.2
Deferred compensation plan assets	21.2	20.9
Other non-current assets	84.8	98.4
Total other non-current assets	207.0	145.5
Other current liabilities
Dividends payable	30.9	30.8
Accrued warranty	34.6	33.9
Accrued rebates	45.7	55.7
Billings in excess of cost	19.7	21.3
Operating Lease, Liability, Current	19.9	0.0
Income taxes payable	9.9	10.4
Accrued restructuring	20.2	27.1
Other current liabilities	164.9	149.2
Total other current liabilities	345.8	328.4
Operating Lease, Liability, Noncurrent	57.7	0.0
Other non-current liabilities
Income taxes payable	46.8	46.8
Self-insurance liabilities	45.7	47.7
Deferred compensation plan liabilities	21.2	20.9
Foreign currency contract liabilities	23.9	30.6
Other non-current liabilities	26.1	22.2
Total other non-current liabilities	$ 221.4	$ 168.2

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Goodwill and Other Identifiable Intangible Assets - Changes in Carrying Amount of Goodwill by Segment (Detail) $ in Millions	3 Months Ended
	Mar. 31, 2019 USD ($)
Goodwill [Roll Forward]
Beginning Balance	$ 2,072.7
Acquisitions/divestitures	216.5
Foreign currency translation/other	(6.2)
Ending Balance	2,283.0
Aquatic Systems
Goodwill [Roll Forward]
Beginning Balance	965.9
Acquisitions/divestitures	0.0
Foreign currency translation/other	(0.6)
Ending Balance	965.3
Filtration Solutions
Goodwill [Roll Forward]
Beginning Balance	643.5
Acquisitions/divestitures	216.5
Foreign currency translation/other	(4.5)
Ending Balance	855.5
Flow Technologies
Goodwill [Roll Forward]
Beginning Balance	463.3
Acquisitions/divestitures	0.0
Foreign currency translation/other	(1.1)
Ending Balance	$ 462.2

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Goodwill and Other Identifiable Intangible Assets - Detail of Identifiable Intangible Assets (Detail) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Acquired Intangible Assets By Major Class [Line Items]
Cost	$ 510.5	$ 433.7
Accumulated amortization	(323.3)	(316.7)
Net	187.2	117.0
Net, indefinite-life intangibles	174.3	159.3
Cost	684.8	593.0
Net	361.5	276.3
Customer relationships
Acquired Intangible Assets By Major Class [Line Items]
Cost	424.6	347.1
Accumulated amortization	(253.3)	(247.9)
Net	171.3	99.2
Trade names intangibles
Acquired Intangible Assets By Major Class [Line Items]
Cost	0.4	0.4
Accumulated amortization	(0.4)	(0.4)
Net	0.0	0.0
Patented Technology [Member]
Acquired Intangible Assets By Major Class [Line Items]
Cost	85.5	86.2
Accumulated amortization	(69.6)	(68.4)
Net	$ 15.9	$ 17.8

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Goodwill and Other Identifiable Intangible Assets - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract]
Intangible asset amortization expense	$ 8.2	$ 9.3

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Goodwill and Other Identifiable Intangible Assets - Estimated Future Amortization Expense for Identifiable Intangible Assets (Detail) $ in Millions	Mar. 31, 2019 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
Q2 - Q4 2019	$ 23.4
2020	27.5
2021	22.4
2022	15.3
2023	13.0
2024	$ 12.4

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Debt - Debt and Average Interest Rates on Debt Outstanding (Detail) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Unamortized debt issuance costs and discounts	$ (4.5)	$ (5.1)
Total debt	$ 1,370.7	787.6
Commercial Paper
Debt Instrument [Line Items]
Average interest rate as of March 31, 2019	3.171%
Commercial paper	$ 681.2	76.0
Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Average interest rate as of March 31, 2019	3.595%
Total debt	$ 5.0	26.2
Senior Notes | Senior Notes 2.650% Due 2019
Debt Instrument [Line Items]
Average interest rate as of March 31, 2019	2.65%
Total debt	$ 250.0	250.0
Senior Notes | Senior Notes 2.45% Due 2019
Debt Instrument [Line Items]
Average interest rate as of March 31, 2019	2.45%
Total debt	$ 153.6	155.1
Senior Notes | Senior Notes 3.625% Due 2020
Debt Instrument [Line Items]
Average interest rate as of March 31, 2019	3.625%
Total debt	$ 74.0	74.0
Senior Notes | Senior Notes 5.000% Due 2021
Debt Instrument [Line Items]
Average interest rate as of March 31, 2019	5.00%
Total debt	$ 103.8	103.8
Senior Notes | Senior Notes 3.150% Due 2022
Debt Instrument [Line Items]
Average interest rate as of March 31, 2019	3.15%
Total debt	$ 88.3	88.3
Senior Notes | Senior Notes 4.650% Due 2025
Debt Instrument [Line Items]
Average interest rate as of March 31, 2019	4.65%
Total debt	$ 19.3	$ 19.3

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Debt - Additional Information (Detail)		3 Months Ended
	Apr. 25, 2018 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Debt Instrument [Line Items]
Leverage ratio covenant period		12 months
Debt		$ 1,370,700,000	$ 787,600,000
Long-term Debt, Maturities, Repayments of Principal, Remainder of Fiscal Year		403,600,000
Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Debt term	5 years
Credit facility maximum borrowing capacity	$ 800,000,000.0
Optional line of credit limit increase		300,000,000.0
Line of Credit Facility, Anticipated Increase Under Accordion Feature		100,000,000.0
Line of Credit Facility, Remaining Borrowing Capacity		113,800,000
Debt		5,000,000	26,200,000
Line of Credit | Revolving Credit Facility | Maximum
Debt Instrument [Line Items]
Debt covenant, unrestricted cash		$ 250,000,000.0
Debt agreement financial covenant, leverage ratio		1.00
EBITDA ratio for debt		3.00
Line of Credit | Revolving Credit Facility | Minimum
Debt Instrument [Line Items]
Debt covenant, unrestricted cash		$ 5,000,000.0
Debt agreement financial covenant, leverage ratio		3.75
EBITDA ratio for debt		1.00
Commercial Paper
Debt Instrument [Line Items]
Commercial paper		$ 681,200,000	$ 76,000,000
Other Credit Facilities [Member]
Debt Instrument [Line Items]
Credit facility maximum borrowing capacity		21,200,000
Borrowings outstanding		$ 0

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Debt - Debt Outstanding Matures on Calendar Year Basis (Detail) $ in Millions	Mar. 31, 2019 USD ($)
Debt Disclosure [Abstract]
Q2 - Q4 2019	$ 403.6
2020	74.0
2021	103.8
2022	88.3
2023	686.2
Thereafter	19.3
Total debt	$ 1,375.2

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Derivatives and Financial Instruments - Additional Information (Detail) $ in Millions	1 Months Ended	3 Months Ended	12 Months Ended
	Jun. 30, 2018 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2017 USD ($)	Mar. 31, 2019 EUR (€)	Dec. 31, 2018 USD ($)	Sep. 30, 2015 EUR (€)
Derivative [Line Items]
Gain (Loss) on Derivative Used in Net Investment Hedge, after Tax		$ 0.7	$ 0.8
Foreign Exchange Contract [Member]
Derivative [Line Items]
Notional amount		$ 313.6			$ 331.4
Senior Notes 2.45% Due 2019 | Senior Notes
Derivative [Line Items]
Amount of hedged item | €				€ 136,600,000.0		€ 500,000,000
Interest rate						2.45%
Tender Offer	$ 363.4

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Derivatives and Financial Instruments - Recorded Amounts and Estimated Fair Values (Detail) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Derivative [Line Items]
Total debt	$ 1,375.2
Recorded Amount
Derivative [Line Items]
Variable rate debt	686.2	$ 102.2
Fixed rate debt	689.0	690.5
Total debt	1,375.2	792.7
Fair Value
Derivative [Line Items]
Variable rate debt	686.2	102.2
Fixed rate debt	694.6	691.8
Total debt	$ 1,380.8	$ 794.0

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Derivatives and Financial Instruments - Assets and Liabilities Measured at Fair Value (Detail) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign currency contract liabilities	$ (23.9)	$ (30.6)
Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign currency contract assets	0.3
Foreign currency contract liabilities	(23.9)	(30.6)
Deferred compensation plan	21.2	20.9
Total recurring fair value measurements	(2.4)	(9.7)
Fair Value, Inputs, Level 1 | Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign currency contract assets	0.0
Foreign currency contract liabilities	0.0	0.0
Deferred compensation plan	17.0	17.6
Total recurring fair value measurements	17.0	17.6
Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign currency contract assets	0.3
Foreign currency contract liabilities	(23.9)	(30.6)
Deferred compensation plan	0.0	0.0
Total recurring fair value measurements	(23.6)	(30.6)
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign currency contract assets	0.0
Foreign currency contract liabilities	0.0	0.0
Deferred compensation plan	0.0	0.0
Total recurring fair value measurements	0.0	0.0
Fair Value Measured at Net Asset Value Per Share [Member] | Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign currency contract assets	0.0
Foreign currency contract liabilities	0.0	0.0
Deferred compensation plan	4.2	3.3
Total recurring fair value measurements	$ 4.2	$ 3.3

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Income Taxes - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Effective income tax rate	17.10%	20.50%
Total gross liability for unrecognized tax benefits	$ 49.6		$ 51.4

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Benefit Plans - Components of Net Periodic Benefit Cost (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Retirement Benefits [Abstract]
Service cost	$ 0.7	$ 1.0
Interest cost	2.7	3.0
Expected return on plan assets	(1.7)	(2.2)
Net periodic benefit cost	$ 1.7	$ 1.8

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Shareholders' Equity - Additional Information (Detail) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018	Dec. 31, 2014	May 08, 2018
Stockholders Equity Note Disclosure [Line Items]
Common Stock, Dividends, Per Share, Cash Paid	$ 0.18	$ 0.35
ApprovedNotDeclaredlDividends			$ 0.72
Dividends payable	$ 30,900,000		$ 30,800,000
December 2014 Share Repurchase Program [Member]
Stockholders Equity Note Disclosure [Line Items]
Share repurchase program remaining available amount	$ 400,000,120
May 2018 Share Repurchase Program [Member]
Stockholders Equity Note Disclosure [Line Items]
Repurchase of shares of our common stock up to a maximum aggregate value					$ 750,000,000
Common stock authorized for repurchase, expiration date				May 31, 2021

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Segment Information - Financial Information by Reportable Segment (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Segment Reporting Information [Line Items]
Net sales	$ 688.9	$ 732.6
Segment income	67.6	92.7
Aquatic Systems
Segment Reporting Information [Line Items]
Net sales	220.5	240.4
Segment income	52.4	60.0
Filtration Solutions
Segment Reporting Information [Line Items]
Net sales	239.3	251.6
Segment income	33.7	33.7
Flow Technologies
Segment Reporting Information [Line Items]
Net sales	228.7	240.3
Segment income	30.1	38.7
Other
Segment Reporting Information [Line Items]
Net sales	0.4	0.3
Segment income	(17.5)	(15.4)
Operating Segments
Segment Reporting Information [Line Items]
Segment income	$ 98.7	$ 117.0

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Segment Information Reconciliation of Operating Profit (Loss) from Segments to Consolidated (Details) - USD ($) $ in Millions	3 Months Ended			12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Sep. 26, 2015	Dec. 31, 2016
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment income	$ 67.6	$ 92.7
Restructuring and other	(1.1)	(5.6)
Intangible amortization	(8.2)	(9.3)
Asset Impairment	(15.3)	0.0	$ 0.0	$ (15.3)
Gain (loss) on sale of business	3.5	(5.3)
Other expense		(0.4)
Income from continuing operations before income taxes	63.2	73.5
Operating Segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment income	98.7	117.0
Segment Reconciling Items [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Restructuring and other	(1.1)	(5.6)
Intangible amortization	(8.2)	(9.3)
Gain (loss) on sale of business	3.5	(5.3)
Corporate allocations	0.0	(8.8)
Net interest expense	(7.3)	(13.5)
Other expense	(1.2)	(1.0)
Segment Reconciling Items [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Deal related costs and expenses	(4.2)	0.0
Inventory step-up	$ (1.7)	$ 0.0

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Commitments and Contingencies - Components of Lease Cost and Other Information Related to Leases (Details) $ in Millions	3 Months Ended
	Mar. 31, 2019 USD ($)
Lease, Cost [Abstract]
Operating lease cost	$ 8.6
Sublease income	(0.2)
Total lease cost	$ 8.4
Weighted-average remaining lease term of operating leases	5 years
Weighted-average discount rate of operating leases	6.20%

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Commitments and Contingencies - Supplemental Cash Flow Information Related to Leases (Details) $ in Millions	3 Months Ended
	Mar. 31, 2019 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Operating cash flows from operating leases	$ 6.6
Right-of-use assets obtained in exchange for lease obligations	$ 79.5

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Commitments and Contingencies - Future Minimum Lease Commitments Under Non-cancelable Operating Leases (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Commitments and Contingencies Disclosure [Abstract]
Q2 through Q4 2019	$ 18.5	$ 23.2
2020	19.6	17.6
2021	14.9	13.3
2022	12.3	11.1
2023	10.3	9.5
Thereafter	15.6	13.8
Total lease payments	91.2	$ 88.5
Less: imputed interest	(13.6)
Total	$ 77.6

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Commitments and Contingencies - Additional Information (Detail) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Commitments and Contingencies Disclosure [Abstract]
Letters of credit outstanding	$ 121.6	$ 123.6

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Commitments and Contingencies - Changes in Carrying Amount of Service and Product Warranties (Detail) $ in Millions	3 Months Ended
	Mar. 31, 2019 USD ($)
Movement in Standard Product Warranty Accrual [Roll Forward]
Beginning balance	$ 33.9
Service and product warranty provision	11.2
Payments	(10.5)
Foreign currency translation	0.0
Ending balance	$ 34.6

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Supplemental Guarantor Information - Condensed Consolidating Statement of Operations and Comprehensive Income (Loss) (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Condensed Financial Statements, Captions [Line Items]
Net sales	$ 688.9	$ 732.6
Cost of goods sold	453.3	479.3
Gross profit	235.6	253.3
Selling, general and administrative	147.3	141.8
Research and development	20.7	18.8
Operating income	67.6	92.7
Loss (earnings) from continuing operations of investment in subsidiaries	0.0	0.0
Other (income) expense:
Loss on sale of business	(3.5)	5.3
Net interest (income) expense	7.3	13.5
Other Income	0.6
Other expense		0.4
Income from continuing operations before income taxes	63.2	73.5
Provision for income taxes	10.8	15.1
Net income from continuing operations	52.4	58.4
(Loss) income from discontinued operations, net of tax	(1.1)	44.5
(Loss) earnings from discontinued operations of investment in subsidiaries	0.0	0.0
Comprehensive income, net of tax
Net income	51.3	102.9
Changes in cumulative translation adjustment	(1.6)	2.4
Changes in market value of derivative financial instruments, net of tax	4.3	(3.8)
Comprehensive income	54.0	101.5
Parent Company Guarantor
Condensed Financial Statements, Captions [Line Items]
Net sales	0.0	0.0
Cost of goods sold	0.0	0.0
Gross profit	0.0	0.0
Selling, general and administrative	3.0	7.1
Research and development	0.0	0.0
Operating income	(3.0)	(7.1)
Loss (earnings) from continuing operations of investment in subsidiaries	(55.4)	(65.5)
Other (income) expense:
Loss on sale of business	0.0	0.0
Net interest (income) expense	0.0	0.0
Other Income	0.0
Other expense		0.0
Income from continuing operations before income taxes	52.4	58.4
Provision for income taxes	0.0	0.0
Net income from continuing operations	52.4	58.4
(Loss) income from discontinued operations, net of tax	0.0	0.0
(Loss) earnings from discontinued operations of investment in subsidiaries	(1.1)	44.5
Comprehensive income, net of tax
Net income	51.3	102.9
Changes in cumulative translation adjustment	(1.6)	2.4
Changes in market value of derivative financial instruments, net of tax	4.3	(3.8)
Comprehensive income	54.0	101.5
Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Net sales	0.0	0.0
Cost of goods sold	0.0	0.0
Gross profit	0.0	0.0
Selling, general and administrative	0.1	0.0
Research and development	0.0	0.0
Operating income	(0.1)	0.0
Loss (earnings) from continuing operations of investment in subsidiaries	(56.9)	(65.2)
Other (income) expense:
Loss on sale of business	0.0	0.0
Net interest (income) expense	1.4	(0.3)
Other Income	0.0
Other expense		0.0
Income from continuing operations before income taxes	55.4	65.5
Provision for income taxes	0.0	0.0
Net income from continuing operations	55.4	65.5
(Loss) income from discontinued operations, net of tax	0.0	0.0
(Loss) earnings from discontinued operations of investment in subsidiaries	(1.1)	44.5
Comprehensive income, net of tax
Net income	54.3	110.0
Changes in cumulative translation adjustment	(1.6)	2.4
Changes in market value of derivative financial instruments, net of tax	4.3	(3.8)
Comprehensive income	57.0	108.6
Subsidiary Issuer
Condensed Financial Statements, Captions [Line Items]
Net sales	0.0	0.0
Cost of goods sold	0.0	0.0
Gross profit	0.0	0.0
Selling, general and administrative	0.3	0.1
Research and development	0.0	0.0
Operating income	(0.3)	(0.1)
Loss (earnings) from continuing operations of investment in subsidiaries	(57.7)	(77.9)
Other (income) expense:
Loss on sale of business	0.0	0.0
Net interest (income) expense	0.5	12.6
Other Income	0.0
Other expense		0.0
Income from continuing operations before income taxes	56.9	65.2
Provision for income taxes	0.0	0.0
Net income from continuing operations	56.9	65.2
(Loss) income from discontinued operations, net of tax	0.0	0.0
(Loss) earnings from discontinued operations of investment in subsidiaries	(1.1)	44.5
Comprehensive income, net of tax
Net income	55.8	109.7
Changes in cumulative translation adjustment	(1.6)	2.4
Changes in market value of derivative financial instruments, net of tax	4.3	(3.8)
Comprehensive income	58.5	108.3
Non-Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Net sales	688.9	732.6
Cost of goods sold	453.3	479.3
Gross profit	235.6	253.3
Selling, general and administrative	143.9	134.6
Research and development	20.7	18.8
Operating income	71.0	99.9
Loss (earnings) from continuing operations of investment in subsidiaries	0.0	0.0
Other (income) expense:
Loss on sale of business	(3.5)	5.3
Net interest (income) expense	5.4	1.2
Other Income	0.6
Other expense		0.4
Income from continuing operations before income taxes	68.5	93.0
Provision for income taxes	10.8	15.1
Net income from continuing operations	57.7	77.9
(Loss) income from discontinued operations, net of tax	(1.1)	44.5
(Loss) earnings from discontinued operations of investment in subsidiaries	0.0	0.0
Comprehensive income, net of tax
Net income	56.6	122.4
Changes in cumulative translation adjustment	(1.6)	2.4
Changes in market value of derivative financial instruments, net of tax	4.3	(3.8)
Comprehensive income	59.3	121.0
Consolidation, Eliminations
Condensed Financial Statements, Captions [Line Items]
Net sales	0.0	0.0
Cost of goods sold	0.0	0.0
Gross profit	0.0	0.0
Selling, general and administrative	0.0	0.0
Research and development	0.0	0.0
Operating income	0.0	0.0
Loss (earnings) from continuing operations of investment in subsidiaries	170.0	208.6
Other (income) expense:
Loss on sale of business	0.0	0.0
Net interest (income) expense	0.0	0.0
Other Income	0.0
Other expense		0.0
Income from continuing operations before income taxes	(170.0)	(208.6)
Provision for income taxes	0.0	0.0
Net income from continuing operations	(170.0)	(208.6)
(Loss) income from discontinued operations, net of tax	0.0	0.0
(Loss) earnings from discontinued operations of investment in subsidiaries	3.3	(133.5)
Comprehensive income, net of tax
Net income	(166.7)	(342.1)
Changes in cumulative translation adjustment	4.8	(7.2)
Changes in market value of derivative financial instruments, net of tax	(12.9)	11.4
Comprehensive income	$ (174.8)	$ (337.9)

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Supplemental Guarantor Information - Condensed Consolidating Balance Sheet (Detail) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018	Dec. 31, 2017
Current assets
Cash and cash equivalents	$ 78.9	$ 74.3	$ 70.8	$ 86.3
Accounts and notes receivable, net	645.7	488.2
Inventories	421.8	387.5
Other current assets	105.2	89.4
Total current assets	1,251.6	1,039.4
Property, plant and equipment, net	279.1	272.6
Other assets
Investments in subsidiaries	0.0	0.0
Goodwill	2,283.0	2,072.7
Intangibles, net	361.5	276.3
Other non-current assets	207.0	145.5
Total other assets	2,851.5	2,494.5
Total assets	4,382.2	3,806.5
Current liabilities
Accounts payable	265.3	378.6
Employee compensation and benefits	94.2	111.7
Other current liabilities	345.8	328.4
Total current liabilities	705.3	818.7
Other liabilities
Long-term debt	1,370.7	787.6
Pension and other post-retirement compensation and benefits	89.8	90.0
Deferred tax liabilities	124.6	105.9
Other non-current liabilities	221.4	168.2
Total liabilities	2,511.8	1,970.4
Equity
Total equity	1,870.4	1,836.1	4,719.7	5,037.8
Total liabilities and equity	4,382.2	3,806.5
Parent Company Guarantor
Current assets
Cash and cash equivalents	0.1	0.1	0.2	0.0
Accounts and notes receivable, net	0.0	4.6
Inventories	0.0	0.0
Other current assets	3.1	3.4
Total current assets	3.2	8.1
Property, plant and equipment, net	0.0	0.0
Other assets
Investments in subsidiaries	1,965.9	1,903.8
Goodwill	0.0	0.0
Intangibles, net	0.0	0.0
Other non-current assets	23.4	23.3
Total other assets	1,989.3	1,927.1
Total assets	1,992.5	1,935.2
Current liabilities
Accounts payable	6.3	0.9
Employee compensation and benefits	0.3	0.2
Other current liabilities	35.7	47.6
Total current liabilities	42.3	48.7
Other liabilities
Long-term debt	59.7	29.9
Pension and other post-retirement compensation and benefits	0.0	0.0
Deferred tax liabilities	0.0	0.0
Other non-current liabilities	20.1	20.5
Total liabilities	122.1	99.1
Equity
Total equity	1,870.4	1,836.1
Total liabilities and equity	1,992.5	1,935.2
Guarantor Subsidiaries
Current assets
Cash and cash equivalents	0.0	0.0	0.0	0.0
Accounts and notes receivable, net	0.0	0.0
Inventories	0.0	0.0
Other current assets	0.0	0.0
Total current assets	0.0	0.0
Property, plant and equipment, net	0.0	0.0
Other assets
Investments in subsidiaries	2,099.7	2,036.1
Goodwill	0.0	0.0
Intangibles, net	0.0	0.0
Other non-current assets	0.0	0.0
Total other assets	2,099.7	2,036.1
Total assets	2,099.7	2,036.1
Current liabilities
Accounts payable	0.0	0.0
Employee compensation and benefits	0.1	0.0
Other current liabilities	1.3	1.5
Total current liabilities	1.4	1.5
Other liabilities
Long-term debt	132.4	130.8
Pension and other post-retirement compensation and benefits	0.0	0.0
Deferred tax liabilities	0.0	0.0
Other non-current liabilities	0.0	0.0
Total liabilities	133.8	132.3
Equity
Total equity	1,965.9	1,903.8
Total liabilities and equity	2,099.7	2,036.1
Subsidiary Issuer
Current assets
Cash and cash equivalents	0.0	0.1	0.0	0.0
Accounts and notes receivable, net	6.3	0.0
Inventories	0.0	0.0
Other current assets	0.1	2.2
Total current assets	6.4	2.3
Property, plant and equipment, net	0.0	0.0
Other assets
Investments in subsidiaries	2,740.2	2,675.7
Goodwill	0.0	0.0
Intangibles, net	0.0	0.0
Other non-current assets	1,319.5	696.1
Total other assets	4,059.7	3,371.8
Total assets	4,066.1	3,374.1
Current liabilities
Accounts payable	0.0	0.0
Employee compensation and benefits	0.0	0.0
Other current liabilities	6.7	4.4
Total current liabilities	6.7	4.4
Other liabilities
Long-term debt	1,959.9	1,333.9
Pension and other post-retirement compensation and benefits	0.0	0.0
Deferred tax liabilities	0.0	0.0
Other non-current liabilities	0.0	0.0
Total liabilities	1,966.6	1,338.3
Equity
Total equity	2,099.5	2,035.8
Total liabilities and equity	4,066.1	3,374.1
Non-Guarantor Subsidiaries
Current assets
Cash and cash equivalents	78.8	74.1	70.6	86.3
Accounts and notes receivable, net	645.7	483.6
Inventories	421.8	387.5
Other current assets	102.0	99.2
Total current assets	1,248.3	1,044.4
Property, plant and equipment, net	279.1	272.6
Other assets
Investments in subsidiaries	0.0	0.0
Goodwill	2,283.0	2,072.7
Intangibles, net	361.5	276.3
Other non-current assets	813.1	729.7
Total other assets	3,457.6	3,078.7
Total assets	4,985.0	4,395.7
Current liabilities
Accounts payable	265.3	377.7
Employee compensation and benefits	93.8	111.5
Other current liabilities	302.1	290.3
Total current liabilities	661.2	779.5
Other liabilities
Long-term debt	1,167.7	596.6
Pension and other post-retirement compensation and benefits	89.8	90.0
Deferred tax liabilities	124.6	105.9
Other non-current liabilities	201.3	147.7
Total liabilities	2,244.6	1,719.7
Equity
Total equity	2,740.4	2,676.0
Total liabilities and equity	4,985.0	4,395.7
Consolidation, Eliminations
Current assets
Cash and cash equivalents	0.0	0.0	$ 0.0	$ 0.0
Accounts and notes receivable, net	(6.3)	0.0
Inventories	0.0	0.0
Other current assets	0.0	(15.4)
Total current assets	(6.3)	(15.4)
Property, plant and equipment, net	0.0	0.0
Other assets
Investments in subsidiaries	(6,805.8)	(6,615.6)
Goodwill	0.0	0.0
Intangibles, net	0.0	0.0
Other non-current assets	(1,949.0)	(1,303.6)
Total other assets	(8,754.8)	(7,919.2)
Total assets	(8,761.1)	(7,934.6)
Current liabilities
Accounts payable	(6.3)	0.0
Employee compensation and benefits	0.0	0.0
Other current liabilities	0.0	(15.4)
Total current liabilities	(6.3)	(15.4)
Other liabilities
Long-term debt	(1,949.0)	(1,303.6)
Pension and other post-retirement compensation and benefits	0.0	0.0
Deferred tax liabilities	0.0	0.0
Other non-current liabilities	0.0	0.0
Total liabilities	(1,955.3)	(1,319.0)
Equity
Total equity	(6,805.8)	(6,615.6)
Total liabilities and equity	$ (8,761.1)	$ (7,934.6)

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Supplemental Guarantor Information - Condensed Consolidating Statement of Cash Flows (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Condensed Financial Statements, Captions [Line Items]
Net Cash Provided by (Used in) Financing Activities, Continuing Operations	$ 559.0	$ 205.1
Operating activities
Net cash provided by (used for) operating activities	(256.3)	(167.6)
Investing activities
Capital expenditures	(16.8)	(11.5)
Proceeds from sale of property and equipment	0.3	0.0
Proceeds from (payments due to) the sale of businesses, net	0.7	(13.8)
Acquisitions, net of cash acquired	(287.2)	(0.9)
Net intercompany loan activity	0.0	0.0
Payments for (Proceeds from) Other Investing Activities	(1.5)	0.0
Net cash provided by (used for) investing activities of continuing operations	(304.5)	(26.2)
Net cash used for investing activities of discontinued operations	0.0	(5.0)
Net cash used for investing activities	(304.5)	(31.2)
Financing activities
Net receipts of commercial paper and revolving long-term debt	584.1	417.5
Net change in advances to subsidiaries	0.0	0.0
Shares issued to employees, net of shares withheld	5.9	0.9
Repurchases of ordinary shares	0.0	(150.0)
Dividends paid	(31.0)	(63.3)
Net cash provided by (used for) financing activities	559.0	997.8
Cash Provided by (Used in) Financing Activities, Discontinued Operations	0.0	792.7
Change in cash held for sale	0.0	(809.7)
Effect of exchange rate changes on cash and cash equivalents	6.4	(4.8)
Change in cash and cash equivalents	4.6	(15.5)
Cash and cash equivalents, beginning of period	74.3	86.3
Cash and cash equivalents, end of period	78.9	70.8
Parent Company Guarantor
Condensed Financial Statements, Captions [Line Items]
Net Cash Provided by (Used in) Financing Activities, Continuing Operations		(82.6)
Operating activities
Net cash provided by (used for) operating activities	(31.8)	82.8
Investing activities
Capital expenditures	0.0	0.0
Proceeds from sale of property and equipment	0.0	0.0
Proceeds from (payments due to) the sale of businesses, net	0.0	0.0
Acquisitions, net of cash acquired	0.0	0.0
Net intercompany loan activity	0.0	0.0
Payments for (Proceeds from) Other Investing Activities	0.0
Net cash provided by (used for) investing activities of continuing operations		0.0
Net cash used for investing activities of discontinued operations		0.0
Net cash used for investing activities	0.0	0.0
Financing activities
Net receipts of commercial paper and revolving long-term debt	0.0	0.0
Net change in advances to subsidiaries	56.9	129.8
Shares issued to employees, net of shares withheld	5.9	0.9
Repurchases of ordinary shares		(150.0)
Dividends paid	(31.0)	(63.3)
Net cash provided by (used for) financing activities	31.8	(82.6)
Cash Provided by (Used in) Financing Activities, Discontinued Operations		0.0
Change in cash held for sale		0.0
Effect of exchange rate changes on cash and cash equivalents	0.0	0.0
Change in cash and cash equivalents	0.0	0.2
Cash and cash equivalents, beginning of period	0.1	0.0
Cash and cash equivalents, end of period	0.1	0.2
Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Net Cash Provided by (Used in) Financing Activities, Continuing Operations		(109.7)
Operating activities
Net cash provided by (used for) operating activities	57.1	111.6
Investing activities
Capital expenditures	0.0	0.0
Proceeds from sale of property and equipment	0.0	0.0
Proceeds from (payments due to) the sale of businesses, net	0.0	0.0
Acquisitions, net of cash acquired	0.0	0.0
Net intercompany loan activity	0.0	(1.9)
Payments for (Proceeds from) Other Investing Activities	0.0
Net cash provided by (used for) investing activities of continuing operations		(1.9)
Net cash used for investing activities of discontinued operations		0.0
Net cash used for investing activities	0.0	(1.9)
Financing activities
Net receipts of commercial paper and revolving long-term debt	0.0	0.0
Net change in advances to subsidiaries	(57.1)	(109.7)
Shares issued to employees, net of shares withheld	0.0	0.0
Repurchases of ordinary shares		0.0
Dividends paid	0.0	0.0
Net cash provided by (used for) financing activities	(57.1)	(109.7)
Cash Provided by (Used in) Financing Activities, Discontinued Operations		0.0
Change in cash held for sale		0.0
Effect of exchange rate changes on cash and cash equivalents	0.0	0.0
Change in cash and cash equivalents	0.0	0.0
Cash and cash equivalents, beginning of period	0.0	0.0
Cash and cash equivalents, end of period	0.0	0.0
Subsidiary Issuer
Condensed Financial Statements, Captions [Line Items]
Net Cash Provided by (Used in) Financing Activities, Continuing Operations		132.2
Operating activities
Net cash provided by (used for) operating activities	54.6	109.3
Investing activities
Capital expenditures	0.0	0.0
Proceeds from sale of property and equipment	0.0	0.0
Proceeds from (payments due to) the sale of businesses, net	0.0	0.0
Acquisitions, net of cash acquired	0.0	0.0
Net intercompany loan activity	(627.8)	(262.6)
Payments for (Proceeds from) Other Investing Activities	0.0
Net cash provided by (used for) investing activities of continuing operations		(262.6)
Net cash used for investing activities of discontinued operations		0.0
Net cash used for investing activities	(627.8)	(262.6)
Financing activities
Net receipts of commercial paper and revolving long-term debt	605.2	223.8
Net change in advances to subsidiaries	(33.6)	(91.6)
Shares issued to employees, net of shares withheld	0.0	0.0
Repurchases of ordinary shares		0.0
Dividends paid	0.0	0.0
Net cash provided by (used for) financing activities	571.6	132.2
Cash Provided by (Used in) Financing Activities, Discontinued Operations		0.0
Change in cash held for sale		0.0
Effect of exchange rate changes on cash and cash equivalents	1.5	21.1
Change in cash and cash equivalents	(0.1)	0.0
Cash and cash equivalents, beginning of period	0.1	0.0
Cash and cash equivalents, end of period	0.0	0.0
Non-Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Net Cash Provided by (Used in) Financing Activities, Continuing Operations		(49.0)
Operating activities
Net cash provided by (used for) operating activities	(172.8)	4.3
Investing activities
Capital expenditures	(16.8)	(11.5)
Proceeds from sale of property and equipment	0.3	0.0
Proceeds from (payments due to) the sale of businesses, net	0.7	(13.8)
Acquisitions, net of cash acquired	(287.2)	(0.9)
Net intercompany loan activity	(21.9)	103.1
Payments for (Proceeds from) Other Investing Activities	1.5
Net cash provided by (used for) investing activities of continuing operations		76.9
Net cash used for investing activities of discontinued operations		(5.0)
Net cash used for investing activities	(326.4)	71.9
Financing activities
Net receipts of commercial paper and revolving long-term debt	(21.1)	193.7
Net change in advances to subsidiaries	520.1	(242.7)
Shares issued to employees, net of shares withheld	0.0	0.0
Repurchases of ordinary shares		0.0
Dividends paid	0.0	0.0
Net cash provided by (used for) financing activities	499.0	743.7
Cash Provided by (Used in) Financing Activities, Discontinued Operations		792.7
Change in cash held for sale		(809.7)
Effect of exchange rate changes on cash and cash equivalents	4.9	(25.9)
Change in cash and cash equivalents	4.7	(15.7)
Cash and cash equivalents, beginning of period	74.1	86.3
Cash and cash equivalents, end of period	78.8	70.6
Consolidation, Eliminations
Condensed Financial Statements, Captions [Line Items]
Net Cash Provided by (Used in) Financing Activities, Continuing Operations		314.2
Operating activities
Net cash provided by (used for) operating activities	(163.4)	(475.6)
Investing activities
Capital expenditures	0.0	0.0
Proceeds from sale of property and equipment	0.0	0.0
Proceeds from (payments due to) the sale of businesses, net	0.0	0.0
Acquisitions, net of cash acquired	0.0	0.0
Net intercompany loan activity	649.7	161.4
Payments for (Proceeds from) Other Investing Activities	0.0
Net cash provided by (used for) investing activities of continuing operations		161.4
Net cash used for investing activities of discontinued operations		0.0
Net cash used for investing activities	649.7	161.4
Financing activities
Net receipts of commercial paper and revolving long-term debt	0.0	0.0
Net change in advances to subsidiaries	(486.3)	314.2
Shares issued to employees, net of shares withheld	0.0	0.0
Repurchases of ordinary shares		0.0
Dividends paid	0.0	0.0
Net cash provided by (used for) financing activities	(486.3)	314.2
Cash Provided by (Used in) Financing Activities, Discontinued Operations		0.0
Change in cash held for sale		0.0
Effect of exchange rate changes on cash and cash equivalents	0.0	0.0
Change in cash and cash equivalents	0.0	0.0
Cash and cash equivalents, beginning of period	0.0	0.0
Cash and cash equivalents, end of period	$ 0.0	$ 0.0

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Supplemental Guarantor Information - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2019
Subsidiary Issuer
Condensed Financial Statements, Captions [Line Items]
Ownership percentage	100.00%