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Business Segments (Details 1) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Jan. 01, 2012	Oct. 02, 2011	Jul. 03, 2011	Apr. 03, 2011	Jan. 02, 2011	Oct. 03, 2010	Jul. 04, 2010	Apr. 04, 2010	Jan. 01, 2012	Jan. 02, 2011	Jan. 03, 2010
Sales
United States									$ 1,623.0	$ 1,551.2	$ 1,561.6
Foreign sales									689.9	470.8	427.7
Revenue, Net, Total	474.5	496.4	502.9	468.1	421.5	409.8	408.0	404.9	1,941.9	1,644.2	1,652.1
Long-lived assets
United States	802.7				779.5				802.7	779.5	739.8
Total long-lived assets	1,223.3				909.8				1,223.3	909.8	835.3
All other countries [Member]
Sales
Foreign sales									153.9	93.0	90.3
Long-lived assets
Foreign countries	137.7				130.3				137.7	130.3	95.5
CANADA
Sales
Foreign sales									165.0		0.2
Long-lived assets
Foreign countries	$ 282.9				$ 0				$ 282.9	$ 0	$ 0