Long-Term Debt and Capital Lease Obligations (Schedule of Line of Credit Facilities) (Details) (Long-term Debt [Member], USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 29, 2012	Jul. 25, 2012
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 323.1
Debt instrument, Available Borrowings	273.1
Credit Facility [Member]
Line of Credit Facility [Line Items]
Debt instrument, Term	3.5 years
Debt instrument, Maturity Date	Jan. 17, 2013
Debt instrument, Interest Rate at Period End	1.99%
Line of Credit Facility, Maximum Borrowing Capacity	300.0	150.0
Debt instrument, Available Borrowings	250.8
Other Working Capital Facilities [Member]
Line of Credit Facility [Line Items]
Debt instrument, Term	Varies
Debt Instrument, Maturity Date Varies	Varies
Debt Instrument, Interest Rate at Period End Varies	Varies
Line of Credit Facility, Maximum Borrowing Capacity	23.1
Debt instrument, Available Borrowings	$ 22.3