Accumulated Other Comprehensive Income (Loss) - Net Changes in Accumulated OCI by Component, Net of Tax (Detail) - USD ($) $ in Millions	12 Months Ended
	Jan. 02, 2016	Jan. 03, 2015	Dec. 28, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	$ (248.2)	$ (44.8)
Other comprehensive loss before reclassifications	(139.7)	(217.0)
Amounts reclassified from Accumulated OCI	23.7	13.6
Net other comprehensive loss	(116.0)	(203.4)	$ 79.4
Ending balance	(364.2)	(248.2)	(44.8)
Foreign Currency Translation [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(7.7)	121.1
Other comprehensive loss before reclassifications	(110.8)	(128.8)
Net other comprehensive loss	(110.8)	(128.8)
Ending balance	(118.5)	(7.7)	121.1
Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	1.0	1.3
Amounts reclassified from Accumulated OCI	(0.3)	(0.3)
Net other comprehensive loss	(0.3)	(0.3)
Ending balance	0.7	1.0	1.3
Defined Benefit Pension and Postretirement Plans [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(241.5)	(167.2)
Other comprehensive loss before reclassifications	(28.9)	(88.2)
Amounts reclassified from Accumulated OCI	24.0	13.9
Net other comprehensive loss	(4.9)	(74.3)
Ending balance	$ (246.4)	$ (241.5)	$ (167.2)