Accumulated Other Comprehensive (Loss) Income - Changes in Accumulated Other Comprehensive (Loss) Income by Component (Detail) $ in Millions	6 Months Ended
	Jul. 04, 2015 USD ($)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance January 3, 2015	$ (51.0)
OCI before reclassifications	(3.9)
Amounts reclassified from AOCI	0.3
Net current-period OCI	(3.6)
Ending balance July 4, 2015	(54.6)
Gains and Losses on Derivative Instruments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance January 3, 2015	0.2
OCI before reclassifications	(2.6)
Amounts reclassified from AOCI	(0.2)
Net current-period OCI	(2.8)
Ending balance July 4, 2015	(2.6)
Pension Benefit Plan Items [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance January 3, 2015	(12.4)
Amounts reclassified from AOCI	0.5
Net current-period OCI	0.5
Ending balance July 4, 2015	(11.9)
Currency Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance January 3, 2015	(38.8)
OCI before reclassifications	(1.3)
Net current-period OCI	(1.3)
Ending balance July 4, 2015	$ (40.1)