Segment Reporting - Segment Reporting Information by Operating Segment (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012	Dec. 29, 2012
Segment Reporting Information [Line Items]
External revenue	$ 563.8	$ 625.8	$ 1,069.2	$ 1,149.6
Depreciation and amortization	24.9	23.7	49.6	47.5
Operating income (loss)	32.6	43.2	47.7	64.2
Additions to property, plant & equipment	14.6	19.7	34.5	37.4
Property, plant & equipment	492.2		492.2		490.9
Goodwill	139.4		139.4		130.3
Intangibles and other assets	313.6		313.6		315.4
Total assets	1,546.1		1,546.1		1,565.9
Operating Segments [Member]
Segment Reporting Information [Line Items]
External revenue	563.8	625.8	1,069.2	1,149.6
Depreciation and amortization	24.9	23.7	49.6	47.5
Operating income (loss)	32.6	43.2	47.7	64.2
Additions to property, plant & equipment	14.6	19.7	34.5	37.4
Property, plant & equipment	492.2	488.8	492.2	488.8	490.9
Goodwill	139.4	129.6	139.4	129.6
Intangibles and other assets	313.6	329.1	313.6	329.1
Total assets	1,546.1	1,528.7	1,546.1	1,528.7
Operating Segments [Member] | North America [Member]
Segment Reporting Information [Line Items]
External revenue	418.1	475.7	811.3	883.8
Depreciation and amortization	21.1	20.1	42.1	40.2
Operating income (loss)	20.9	31.2	34.7	48.5
Additions to property, plant & equipment	10.4	16.4	24.9	29.0
Property, plant & equipment	376.8	385.1	376.8	385.1
Goodwill	124.4	125.1	124.4	125.1
Intangibles and other assets	286.4	314.5	286.4	314.5
Total assets	1,195.8	1,236.9	1,195.8	1,236.9
Operating Segments [Member] | United Kingdom [Member]
Segment Reporting Information [Line Items]
External revenue	127.9	131.5	225.3	230.7
Depreciation and amortization	3.3	3.1	6.5	6.4
Operating income (loss)	9.1	10.5	9.1	13.7
Additions to property, plant & equipment	3.7	3.1	8.3	8.1
Property, plant & equipment	105.3	94.6	105.3	94.6
Goodwill	10.5		10.5
Intangibles and other assets	26.9	14.2	26.9	14.2
Total assets	307.3	248.1	307.3	248.1
Operating Segments [Member] | Mexico [Member]
Segment Reporting Information [Line Items]
External revenue	7.7	10.2	15.1	19.3
Depreciation and amortization	0.5	0.5	1.0	0.9
Operating income (loss)	0.3	(0.9)	(0.4)	(2.2)
Additions to property, plant & equipment	0.5	0.2	1.3	0.3
Property, plant & equipment	10.1	9.1	10.1	9.1
Intangibles and other assets	0.3	0.4	0.3	0.4
Total assets	26.0	29.8	26.0	29.8
Operating Segments [Member] | RCI [Member]
Segment Reporting Information [Line Items]
External revenue	10.1	8.4	17.5	15.8
Operating income (loss)	2.3	2.4	4.3	4.2
Goodwill	4.5	4.5	4.5	4.5
Total assets	16.2	13.2	16.2	13.2
Operating Segments [Member] | All Other [Member]
Segment Reporting Information [Line Items]
Total assets	$ 0.8	$ 0.7	$ 0.8	$ 0.7