Property, Plant & Equipment - Schedule of Property, Plant and Equipment (Detail) (USD $) In Millions, unless otherwise specified	Dec. 29, 2012	Dec. 31, 2011	Jan. 01, 2011
Property, Plant and Equipment [Line Items]
Cost	$ 1,020.8	$ 945.9
Accumulated Depreciation	529.9	463.7
Net	490.9	482.2	503.8
Land and Land Improvements [Member]
Property, Plant and Equipment [Line Items]
Cost	30.2	30.4
Accumulated Depreciation	1.0	0.6
Net	29.2	29.8
Buildings [Member]
Property, Plant and Equipment [Line Items]
Cost	167.9	156.7
Accumulated Depreciation	67.7	58.0
Net	100.2	98.7
Machinery and Equipment - Owned [Member]
Property, Plant and Equipment [Line Items]
Cost	692.8	636.9
Accumulated Depreciation	376.3	331.7
Net	316.5	305.2
Machinery and Equipment - Capital Leases [Member]
Property, Plant and Equipment [Line Items]
Cost	16.5	21.2
Accumulated Depreciation	3.3	5.8
Net	13.2	15.4
Plates, Films and Molds [Member]
Property, Plant and Equipment [Line Items]
Cost	42.1	34.5
Accumulated Depreciation	30.9	26.6
Net	11.2	7.9
Vending [Member]
Property, Plant and Equipment [Line Items]
Cost	12.9	13.8
Accumulated Depreciation	11.6	12.0
Net	1.3	1.8
Transportation Equipment [Member]
Property, Plant and Equipment [Line Items]
Cost	0.6	0.6
Accumulated Depreciation	0.6	0.5
Net		0.1
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Cost	39.4	39.4
Accumulated Depreciation	22.5	18.7
Net	16.9	20.7
IT Systems [Member]
Property, Plant and Equipment [Line Items]
Cost	8.2	2.7
Accumulated Depreciation	7.0	1.3
Net	1.2	1.4
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Cost	10.2	9.7
Accumulated Depreciation	9.0	8.5
Net	$ 1.2	$ 1.2