Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Apr. 01, 2018
Operating Activities
Net income	$ 75.3	$ 66.5
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	27.6	28.8
Stock-based compensation	10.8	6.5
Changes in operating assets and liabilities:
Accounts receivable	6.7	(27.0)
Inventories	(12.4)	(6.0)
Prepaid expenses and other assets	(10.0)	(3.6)
Accounts payable	(1.1)	9.7
Accrued liabilities	(15.1)	(9.0)
Deferred and income taxes receivable/payable, net	(2.8)	10.9
Long-term assets	(13.4)	(8.8)
Other long-term liabilities	16.2	0.1
Other operating, net	(1.7)	3.5
Net cash provided by operating activities	80.1	71.6
Investing Activities
Purchases of property, plant and equipment	(21.3)	(19.8)
Purchase of businesses, net of cash acquired	(222.5)
Proceeds from the sale of assets	0.0	0.2
Net cash used in investing activities	(243.8)	(19.6)
Financing Activities
Net proceeds from (payments on) credit facility	120.0
Net proceeds from (payments on) credit facility		(54.5)
Proceeds from (payments on) other debt, net	(5.9)
Proceeds from (payments on) other debt, net		1.6
Proceeds from exercise of stock options	10.2	12.3
Other financing, net		(2.0)
Net cash provided by (used in) financing activities	124.3	(42.6)
Effect of exchange rate changes on cash	3.1	(0.4)
Change in cash	(36.3)	9.0
Cash—beginning of period	142.5	70.9
Cash—end of period	$ 106.2	$ 79.9