Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2019	Jul. 01, 2018
Operating Activities
Net income	$ 179.9	$ 152.4
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	54.7	56.4
Stock-based compensation	17.7	13.1
Changes in operating assets and liabilities excluding the effect of business acquired:
Accounts receivable	(36.6)	(38.5)
Inventories	(10.1)	(12.2)
Prepaid expenses and other assets	(4.3)	(1.3)
Accounts payable	(7.8)	25.9
Accrued liabilities	(22.8)	(15.7)
Deferred and income taxes receivable/payable, net	(4.5)	(1.0)
Long-term assets	(11.7)	(8.3)
Other long-term liabilities	8.1	(1.6)
Other operating, net	0.7	10.3
Net cash provided by operating activities	163.3	179.5
Investing Activities
Purchases of property, plant and equipment	(39.4)	(47.2)
Purchase of businesses, net of cash acquired	(222.5)
Other investing, net	0.3	0.7
Net cash used in investing activities	(261.6)	(46.5)
Financing Activities
Net proceeds from (payments on) credit facility	47.5
Net proceeds from (payments on) credit facility		(115.0)
Net proceeds from (payments on) other debt	(2.2)
Net proceeds from (payments on) other debt		2.3
Proceeds from exercise of stock options	20.7	23.8
Other financing, net	(1.4)	(2.0)
Net cash provided by (used in) financing activities	64.6	(90.9)
Effect of exchange rate changes on cash	(0.7)	(11.6)
Change in cash	(34.4)	30.5
Cash—beginning of period	142.5	70.9
Cash—end of period	$ 108.1	$ 101.4