Acquisitions - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended	3 Months Ended		3 Months Ended	12 Months Ended
	Dec. 31, 2011	Jun. 30, 2012 Beverage and Wholesale Business [Member]	Mar. 31, 2012 Beverage and Wholesale Business [Member]	Mar. 30, 2013 Cliffstar [Member]	Dec. 31, 2011 Cliffstar [Member]	Aug. 17, 2010 Cliffstar [Member] Y
Business Acquisition [Line Items]
Acquisition payable in cash			$ 5.0			$ 503.0
Gain on bargain purchase		0.9
Date of acquisition				Aug. 17, 2010
Acquisition, deferred consideration to be paid						14.0
Deferred consideration due (in years)						3
Acquisition, contingent consideration						55.0
Acquisition, contingent consideration payable upon achievement of milestones						15.0
Interim payments to the seller					29.6
Cash refund due to final determination of working capital					4.7
Settlement payments to seller					0.9
Payment by Cott				0.6
Additional contingent consideration for business acquisition	$ 12.1