Commitments And Contingencies (Operating Lease Expenses) (Details) (USD $) In Millions, unless otherwise specified	0 Months Ended	12 Months Ended				12 Months Ended
	Dec. 29, 2007	Dec. 31, 2011	Jan. 01, 2011	Jan. 02, 2010	Dec. 31, 2007	Dec. 31, 2011 Capital Commitments [Member]	Dec. 31, 2011 Inventory Commitments [Member]	Dec. 31, 2011 GE Obligation [Member]	Dec. 27, 2008 GE Obligation [Member]	Aug. 17, 2010 Cliffstar [Member]
Commitments And Contingencies [Line Items]
Sublease income		$ 0.3
Purchase commitments		271.5				20.5	271.5
Purchase obligation amount					39.7
Payments to purchase obligation	16.5
Capital lease obligation									32.5
Future minimum lease payments due in year one									8.8
Future minimum lease payments due in year two									8.8
Future minimum lease payments due in year three									5.3
Future minimum lease payments due in year four									5.3
Future minimum lease payments due in year five								1.7	1.7
Future minimum lease payments due thereafter									1.7
Loss related to single contingency		2.9
Acquisition, contingent consideration payable upon achievement of milestones										15.0
Additional contingent consideration for business acquisition		12.1
Standby letters of credit outstanding		$ 9.7	$ 12.6	$ 9.9