Debt (Narrative) (Details) (USD $)		6 Months Ended								9 Months Ended
	Mar. 28, 2013	Mar. 28, 2013 Fourth Amended And Restated Credit Agreement [Member]	Mar. 28, 2013 Fourth Amended And Restated Credit Agreement [Member] Revolving Credit Facility [Member]	Mar. 28, 2013 Fourth Amended And Restated Credit Agreement [Member] Term Loan [Member]	Mar. 28, 2013 8.375% Senior Unsecured Notes Due August 2020 [Member]	Sep. 27, 2012 8.375% Senior Unsecured Notes Due August 2020 [Member]	Mar. 28, 2013 Maximum [Member] Fourth Amended And Restated Credit Agreement [Member]	Mar. 28, 2013 Maximum [Member] Fourth Amended And Restated Credit Agreement [Member] Revolving Credit Facility [Member]	Mar. 28, 2013 Maximum [Member] Fourth Amended And Restated Credit Agreement [Member] Term Loan [Member]	Mar. 28, 2013 Maximum [Member] 8.375% Senior Unsecured Notes Due August 2020 [Member]	Mar. 28, 2013 Minimum [Member] Fourth Amended And Restated Credit Agreement [Member]	Mar. 28, 2013 Minimum [Member] Fourth Amended And Restated Credit Agreement [Member] Revolving Credit Facility [Member]	Mar. 28, 2013 Minimum [Member] Fourth Amended And Restated Credit Agreement [Member] Term Loan [Member]
Debt Instrument [Line Items]
Line of credit facility		$ 480,000,000	$ 225,000,000	$ 255,000,000
Maturity year			2017	2019
Additional incremental facilities		200,000,000
Basis spread on the variable interest rate		4.25%						4.50%	4.50%			3.50%	1.25%
Unused commitment fee		0.50%
Line of credit facility dividend restriction amount								35,000,000
Letters of credit issued	97,700,000
Line of credit facility dividend restriction percentage										50.00%
Senior unsecured notes dividend restriction amount										20,000,000
Senior notes, outstanding					250,000,000	250,000,000
Interest rate					8.375%		4.50%				1.25%
Maturity date		Jun. 30, 2019			Aug. 01, 2020
Amount available for dividend payments					$ 20,000,000