Segment Reporting (Schedule Of Revenues By Geographic Area) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended										12 Months Ended
	Dec. 31, 2011	Oct. 01, 2011	Jul. 02, 2011	Apr. 02, 2011	Jan. 01, 2011		Oct. 02, 2010		Jul. 03, 2010	Apr. 03, 2010	Dec. 31, 2011		Jan. 01, 2011		Jan. 02, 2010
Segment Reporting Information [Line Items]
Revenue, net	$ 549.2	$ 611.3	$ 640.0	$ 534.1	$ 528.8	[1]	$ 486.9	[2]	$ 424.7	$ 362.9	$ 2,334.6	[3]	$ 1,803.3	[4]	$ 1,596.7	[5]
Intersegment revenue between North America and other operating segments											14.7		19.0		14.0
United States [Member]
Segment Reporting Information [Line Items]
Revenue, net											1,610.5		1,212.1		1,034.1
Canada [Member]
Segment Reporting Information [Line Items]
Revenue, net											249.0		201.1		198.7
United Kingdom [Member]
Segment Reporting Information [Line Items]
Revenue, net											447.9		367.1		359.3
Mexico [Member]
Segment Reporting Information [Line Items]
Revenue, net											51.8		50.1		42.7
RCI [Member]
Segment Reporting Information [Line Items]
Revenue, net											25.6		28.8		20.8
Elimination [Member]
Segment Reporting Information [Line Items]
Revenue, net											$ (50.2)	[6]	$ (55.9)	[6]	$ (58.9)	[6]

[1] During the fourth quarter of 2010 we recorded a reduction to the contingent consideration earn-out accrual of $20.3 million.

[2] During the third quarter of 2010, we completed the Cliffstar Acquisition. We recorded $7.2 million of transaction costs related to the acquisition. These costs were recorded in SG&A.

[3] Intersegment revenue between North America and the other reporting segments was $14.7 million for the year ended December 31, 2011.

[4] Intersegment revenue between North America and the other reporting segments was $19.0 million for the year ended January 1, 2011.

[5] Intersegment revenue between North America and the other reporting segments was $14.0 million for the year ended January 2, 2010.

[6] Represents intercompany revenue among our operating segments, of which $14.7 million, $19.0 million and $14.0 million represents intersegment revenue between the North America reporting segment and our other operating segments for December 31, 2011, January 1, 2011, and January 2, 2010, respectively.