Subsequent Events (Details Textuals) (USD $) In Millions, unless otherwise specified			3 Months Ended		3 Months Ended
	Nov. 25, 2011	Nov. 30, 2011 Senior notes, due 2021 [Member]	Feb. 29, 2012 7.375% senior notes, due 2016 [Member]	Nov. 25, 2011 7.375% senior notes, due 2016 [Member]	Feb. 29, 2012 7.375% notes, due 2016 [Member]	Feb. 29, 2012 7.375% notes and senior notes, due 2016 [Member]	Feb. 29, 2012 7.375% notes and senior notes, due 2016, and notes due 2021 [Member]
Subsequent Events (Textuals) [Abstract]
Aggregate principal amount of 7.375% Senior Notes due 2021		$ 225.0
Aggregate principal amount of 2016 senior Notes and Notes			180.4		24.5	49.8
Aggregate principal amount of 2016 senior Notes and Notes outstanding			81.00%		75.00%
Interest rate of debt		7.375%	7.375%	7.375%	7.375%
Consent Payments, Tender Fees and Legal Advisory and Other Transaction Costs relating to Public Offer and Tender Offers							14
Unamortized discount and issue costs	$ 22