Summary Of Significant Accounting Policies (Details)	12 Months Ended
	Dec. 30, 2011 months
Summary Of Significant Accounting Policies [Line Items]
Measurement period for cash and cash equivalents	3
Buildings [Member]
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life in years, minimum	25
Property, plant and equipment, useful life in years, maximum	40
Building Improvements [Member]
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life in years, maximum	7
Leasehold Improvements [Member]
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life in years, minimum	3
Property, plant and equipment, useful life in years, maximum	15
Equipment [Member]
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life in years, minimum	3
Property, plant and equipment, useful life in years, maximum	10