Accumulated Other Comprehensive (Loss) Income - Reclassification from OCI (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jul. 01, 2016	Jun. 30, 2017	Jul. 01, 2016
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Selling, general and administrative expenses	$ (41.9)	$ (44.5)	$ (89.8)	$ (91.6)
Cost of sales	(1,023.9)	(943.2)	(1,957.2)	(1,820.6)
Changes in fair value of effective cash flow hedges: | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Sales	(0.5)	(0.8)	(1.6)	(2.7)
Cost of sales	(0.1)	(0.1)	(0.3)	(0.1)
Total	(0.6)	(0.9)	(1.9)	(2.8)
Amortization of retirement benefits: | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Selling, general and administrative expenses	0.1	0.1	0.2	0.2
Cost of sales	0.2	0.2	0.4	0.4
Total	$ 0.3	$ 0.3	$ 0.6	$ 0.6