Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2018	Oct. 01, 2017
Operating Activities
Net income	$ 242.7	$ 159.6
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	83.7	87.4
Deferred income taxes	4.3	(1.3)
Stock-based compensation	18.8	14.3
Changes in operating assets and liabilities:
Accounts receivable	(52.4)	(7.7)
Inventories	(10.1)	(36.9)
Prepaid expenses and other assets	3.7	(1.2)
Accounts payable	18.3	12.6
Accrued liabilities	26.1	11.4
Income taxes receivable/payable, net	(6.1)	11.9
Long-term assets	(0.4)	(12.5)
Other long-term liabilities	2.6	16.1
Pension and postretirement benefits	(13.3)	(13.9)
Other operating, net	3.5	8.5
Net cash provided by operating activities	321.4	248.3
Investing Activities
Purchases of property, plant and equipment	(68.1)	(40.5)
Purchase of businesses and other investments, net of cash acquired	0.0	(773.8)
Proceeds from the sale of assets	1.2	1.1
Net cash used in investing activities	(66.9)	(813.2)
Financing Activities
Net proceeds from (payments on) credit facility	(165.0)
Net proceeds from (payments on) credit facility		285.0
Proceeds from senior notes	0.0	268.0
Proceeds from term loan	0.0	100.0
Proceeds from (payments on) other debt, net	(59.6)	(131.7)
Proceeds from exercise of stock options	36.1	18.7
Other financing, net	(2.0)	(4.4)
Net cash provided by (used in) financing activities	(190.5)	535.6
Effect of exchange rate changes on cash	(8.8)	13.2
Change in cash	55.2	(16.1)
Cash—beginning of period	70.9	98.6
Cash—end of period	$ 126.1	$ 82.5