Acquisitions - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended	12 Months Ended	3 Months Ended	9 Months Ended			3 Months Ended
	Dec. 31, 2011	Oct. 01, 2011	Sep. 29, 2012	Dec. 31, 2011	Oct. 01, 2011 Cliffstar	Sep. 29, 2012 Cliffstar	Jan. 01, 2011 Cliffstar	Aug. 17, 2010 Cliffstar Y	Mar. 31, 2012 Beverage And Wholesale Business
Business Acquisition [Line Items]
Date of acquisition						Aug. 17, 2010
Acquisition payable in cash								$ 503.0	$ 5.0
Acquisition, deferred consideration to be paid								14.0
Deferred consideration due in (years)								3
Accrued contingent consideration, interim payments	8.6	21.0		8.6	4.7
Acquisition, contingent consideration							55.0	55.0
Acquisition, contingent consideration payable upon achievement of milestones							15.0	15.0
Cash refund due to final determination of working capital		4.7
Settlement payments to seller	0.9			0.9
Additional contingent consideration for business acquisition	12.1			12.1
Business acquisition, payments made to seller			34.3
Gain on bargain purchase			$ 0.9						$ 0.9