Revenue Recognition - Schedule of ASC 606 Impact on Statement of Cash Flows (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 29, 2018	Sep. 30, 2017	Sep. 29, 2018	Sep. 30, 2017
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net income (loss)	$ (67.5)	$ 44.5	$ 49.6	$ 46.4
(Decreases) in cash due to:
Inventories			(101.3)	(28.3)
Accrued income taxes			(60.0)	(61.5)
Other, net			(4.4)	3.5
Subtotal			(174.1)	(125.2)
Net cash from operating activities			398.7	$ 482.0
Adjustments | Accounting Standards Update 2014-09
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net income (loss)	(4.4)		(4.1)
(Decreases) in cash due to:
Inventories			(4.3)
Accrued income taxes			0.0
Other, net			8.4
Subtotal			4.1
Net cash from operating activities			0.0
Balances without adoption of ASC 606
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net income (loss)	$ (71.9)		45.5
(Decreases) in cash due to:
Inventories			(105.6)
Accrued income taxes			(60.0)
Other, net			4.0
Subtotal			(170.0)
Net cash from operating activities			$ 398.7