Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Apr. 02, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 171.6	$ 181.9
Changes in other comprehensive loss, net of tax:
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	0.0	1.1
Foreign currency translation adjustments	(7.6)	(12.7)
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax	0.8	0.0
Unrealized foreign exchange loss on intercompany loan, net of tax effect of $0.3 and $0.6 for the three months ended, respectively	(1.2)	(2.4)
Total other comprehensive loss	(8.0)	(14.0)
Total comprehensive income	$ 163.6	$ 167.9