CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2017	Jul. 01, 2016
Operating activities:
Net income	$ 115.4	$ 178.9
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	40.0	38.0
Amortization of debt issuance costs	0.2	0.2
Stock-based compensation expense	6.5	7.9
Asset impairment, net	2.2	3.1
Change in uncertain tax positions	0.2	0.1
Gain on disposal of property, plant and equipment	(0.9)	(5.8)
Deferred income taxes	0.2	(0.9)
Foreign currency translation adjustment	6.2	(1.8)
Changes in operating assets and liabilities:
Receivables	(28.2)	9.3
Inventories	34.4	57.4
Prepaid expenses and other current assets	(4.2)	(0.8)
Accounts payable and accrued expenses	12.5	(12.1)
Other noncurrent assets and liabilities	(10.6)	(4.1)
Net cash provided by operating activities	173.9	269.4
Investing activities:
Capital expenditures	(71.9)	(67.3)
Proceeds from sales of property, plant and equipment	2.9	7.4
Purchase of a business	0.0	(7.1)
Net cash used in investing activities	(69.0)	(67.0)
Financing activities:
Proceeds from long-term debt	330.9	250.6
Payments on long-term debt	(337.3)	(316.6)
Purchase of noncontrolling interest	0.0	(40.0)
Distributions to noncontrolling interests, net	(3.6)	(0.1)
Proceeds from stock options exercised	0.1	4.2
Stock-based awards settled in cash for taxes	(3.8)	(0.3)
Dividends paid	(15.2)	(12.7)
Repurchase and retirement of ordinary shares	(71.6)	(68.7)
Net cash used in financing activities	(100.5)	(183.6)
Effect of exchange rate changes on cash	(0.1)	(0.9)
Net increase in cash and cash equivalents	4.3	17.9
Cash and cash equivalents, beginning	20.1	24.9
Cash and cash equivalents, ending	24.4	42.8
Supplemental cash flow information:
Cash paid for interest	2.6	1.9
Cash paid for income taxes	5.9	7.5
Non-cash financing and investing activities:
Purchase of assets under capital lease obligations	0.0	0.1
Retirement of ordinary shares	71.6	66.9
Purchase of noncontrolling interest	0.0	5.0
Dividends on restricted stock units	$ 0.3	$ 0.0