Retirement Plans - Schedule of Amounts Included in Accumulated Other Comprehensive Income, Net of Tax which have Not yet been Recognized in Net Periodic Benefit Cost (Detail) - USD ($) $ in Millions	Dec. 31, 2016	Jan. 02, 2016	Jan. 03, 2015
Benefit Plans [Line Items]
Unamortized prior service cost		$ (0.1)	$ (0.1)
Unrecognized net actuarial loss	$ (14.4)	(10.0)	(12.3)
Total accumulated other comprehensive loss	(14.4)	(10.1)	(12.4)
U.S. Plan [Member]
Benefit Plans [Line Items]
Unamortized prior service cost		(0.1)	(0.1)
Unrecognized net actuarial loss	(1.2)	(1.4)	(1.3)
Total accumulated other comprehensive loss	(1.2)	(1.5)	(1.4)
International Plans [Member]
Benefit Plans [Line Items]
Unrecognized net actuarial loss	(13.2)	(8.6)	(11.0)
Total accumulated other comprehensive loss	$ (13.2)	$ (8.6)	$ (11.0)