Revolving Line of Credit (Narrative) (Details) (USD $)	3 Months Ended
	Jun. 30, 2012	Dec. 29, 2012
Line of Credit Facility [Abstract]
Revolving credit agreement initiation date	Apr. 19, 2012
Borrowing limit under the unsecured revolving credit facility	$ 100,000,000
Revolving credit sublimit	15,000,000
Basis spread on variable interest rate	0.50%
Covenant Terms, Leverage Ratio Requirement	175.00%
Covenant Terms, Interest Coverage Ratio	350.00%
Line of Credit Facility, Amount Outstanding		$ 0