Summary of Significant Accounting Policies - Schedule of Goodwill by Segment (Detail) - USD ($) $ in Millions	12 Months Ended
	Jan. 02, 2016	Jan. 03, 2015
Goodwill [Line Items]
Balance at beginning of year	$ 743.6	$ 139.2
Goodwill acquired during the year	4.7	611.4
Adjustments	17.5
Foreign exchange	(6.2)	(7.0)
Balance at end of year	759.6	743.6
North America [Member]
Goodwill [Line Items]
Balance at beginning of year	123.7	125.9
Foreign exchange	(3.7)	(2.2)
Balance at end of year	120.0	123.7
United Kingdom [Member]
Goodwill [Line Items]
Balance at beginning of year	58.5	8.8
Goodwill acquired during the year		54.5
Foreign exchange	(2.5)	(4.8)
Balance at end of year	56.0	58.5
DSS Group Inc [Member]
Goodwill [Line Items]
Balance at beginning of year	556.9
Goodwill acquired during the year	4.7	556.9
Adjustments	17.5
Balance at end of year	579.1	556.9
All Other [Member]
Goodwill [Line Items]
Balance at beginning of year	4.5	4.5
Balance at end of year	$ 4.5	$ 4.5