Facility Closure Reserves - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended			12 Months Ended
	Dec. 29, 2012	Mar. 31, 2012	Jun. 25, 2011	Dec. 29, 2012 Store	Dec. 31, 2011 Store	Dec. 25, 2010 Store
Retail Segment
Restructuring Cost and Reserve [Line Items]
Charges related to stores closed	$ 14.1	$ 25.3	$ 5.6	$ 41.0	$ 5.6	$ 13.1
Total number of under performing stores				29	6	8
Retail Segment | Lease liability
Restructuring Cost and Reserve [Line Items]
Charges related to stores closed				29.0	5.4	11.7
Retail Segment | Asset Impairment
Restructuring Cost and Reserve [Line Items]
Charges related to stores closed					0.2
Retail Segment | Other Costs
Restructuring Cost and Reserve [Line Items]
Charges related to stores closed						1.4
Legacy Manufacturing Facility
Restructuring Cost and Reserve [Line Items]
Income from termination of lease agreement						$ 9.4