Summary of Significant Accounting Policies - Schedule of Goodwill by Segment (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016
Goodwill [Line Items]
Balance at beginning of year	$ 759.6	$ 743.6
Goodwill acquired during the year	440.9	4.7
Adjustments		17.5
Foreign exchange	(25.1)	(6.2)
Balance at end of year	1,175.4	759.6
North America [Member]
Goodwill [Line Items]
Balance at beginning of year	120.0	123.7
Foreign exchange	0.5	(3.7)
Balance at end of year	120.5	120.0
United Kingdom [Member]
Goodwill [Line Items]
Balance at beginning of year	56.0	58.5
Foreign exchange	(9.2)	(2.5)
Balance at end of year	46.8	56.0
Water & Coffee Solutions [Member]
Goodwill [Line Items]
Balance at beginning of year	579.1	556.9
Goodwill acquired during the year	440.9	4.7
Adjustments		17.5
Foreign exchange	(16.4)
Balance at end of year	1,003.6	579.1
All Other [Member]
Goodwill [Line Items]
Balance at beginning of year	4.5	4.5
Balance at end of year	$ 4.5	$ 4.5