Business and Recent Accounting Pronouncements - Schedule of Goodwill by Segment (Detail) $ in Millions	6 Months Ended
	Jul. 01, 2017 USD ($)
Goodwill [Line Items]
Balance at beginning of year	$ 1,175.4
Goodwill acquired during the year	13.2
Adjustments	1.5
Foreign exchange	27.5
Balance at end of year	1,217.6
North America [Member]
Goodwill [Line Items]
Balance at beginning of year	120.5
Goodwill acquired during the year	6.8
Foreign exchange	0.8
Balance at end of year	128.1
United Kingdom [Member]
Goodwill [Line Items]
Balance at beginning of year	46.8
Goodwill acquired during the year	1.3
Foreign exchange	2.9
Balance at end of year	51.0
Water & Coffee Solutions [Member]
Goodwill [Line Items]
Balance at beginning of year	1,003.6
Goodwill acquired during the year	5.1
Adjustments	1.5
Foreign exchange	23.8
Balance at end of year	1,034.0
All Other [Member]
Goodwill [Line Items]
Balance at beginning of year	4.5
Balance at end of year	$ 4.5