Stockholders' Equity (Narrative) (Details) (USD $) Share data in Millions, unless otherwise specified	9 Months Ended		16 Months Ended	24 Months Ended	28 Months Ended	9 Months Ended	24 Months Ended
	Jul. 07, 2013	Jul. 08, 2012	Nov. 15, 2014	Nov. 15, 2014	Nov. 30, 2015	Jul. 07, 2013 Payments for repurhcase of common stock, part cash part non-cash [Domain]	Nov. 17, 2013 Stock Repurchase Authorization Program Expiring November 2013 [Member]
Equity, Class of Treasury Stock [Line Items]
Repurchase of common stock, authorized amount				$ 100,000,000	$ 100,000,000		$ 100,000,000
Treasury Stock, Shares, Acquired	2.8
Repurchase of common stock, remaining authorized amount			84,700,000
Repurchases of common stock	$ 92,152,000	$ 6,901,000				$ 92,200,000