Revenue Recognition - Schedule of ASC 606 Impact on Statement of Operations (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2018		Jul. 01, 2017	Jun. 30, 2018		Jul. 01, 2017
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net sales	$ 1,186.4	[1]	$ 1,237.9	$ 2,403.4	[1]	$ 2,431.9
Cost of sales	715.4		733.3	1,439.7		1,463.0
Gross profit	471.0		504.6	963.7		968.9
Operating income	94.7		148.8	250.9		277.3
Income tax expense (benefit)	19.1		(6.7)	48.8		17.6
Net income (loss)	$ 36.2		$ (69.6)	$ 117.0		$ 2.0
Earnings per share
Basic (in dollars per share)	$ 0.26		$ (0.49)	$ 0.84		$ 0.01
Diluted (in dollars per share)	$ 0.26		$ (0.49)	$ 0.84		$ 0.01
Adjustments | Accounting Standards Update 2014-09
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net sales	$ 6.9			$ 1.3
Cost of sales	4.2			1.1
Gross profit	2.7			0.2
Operating income	2.7			0.2
Income tax expense (benefit)	(0.1)			(0.1)
Net income (loss)	$ 2.8			$ 0.3
Earnings per share
Basic (in dollars per share)	$ 0.02			$ 0.00
Diluted (in dollars per share)	$ 0.02			$ 0.00
Balances without adoption of ASC 606
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net sales	$ 1,193.3			$ 2,404.7
Cost of sales	719.6			1,440.8
Gross profit	473.7			963.9
Operating income	97.4			251.1
Income tax expense (benefit)	19.0			48.7
Net income (loss)	$ 39.0			$ 117.3
Earnings per share
Basic (in dollars per share)	$ 0.28			$ 0.84
Diluted (in dollars per share)	$ 0.28			$ 0.84

[1] The net sales by geography is derived from the location of the entity that sells to a third party.