Accumulated Other Comprehensive (Loss) Income - Changes in Accumulated Other Comprehensive (Loss) Income by Component (Detail) - USD ($) $ in Millions	3 Months Ended
	Apr. 01, 2017	Apr. 02, 2016
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	$ (117.9)	$ (76.2)
OCI before reclassifications	12.8	(1.7)
Amounts reclassified from AOCI	(0.6)	(0.9)
Net current-period OCI	12.2	(2.6)
Ending balance	(105.7)	(78.8)
Gains and Losses on Derivative Instruments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(0.1)	(4.7)
OCI before reclassifications	3.1	1.5
Amounts reclassified from AOCI	(0.7)	(1.0)
Net current-period OCI	2.4	0.5
Ending balance	2.3	(4.2)
Pension Benefit Plan Items [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(14.4)	(10.1)
Amounts reclassified from AOCI	0.1	0.1
Net current-period OCI	0.1	0.1
Ending balance	(14.3)	(10.0)
Currency Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(103.4)	(61.4)
OCI before reclassifications	9.7	(3.2)
Net current-period OCI	9.7	(3.2)
Ending balance	$ (93.7)	$ (64.6)