Stockholders' Equity (Narrative) (Details) (USD $) Share data in Millions, unless otherwise specified	3 Months Ended		4 Months Ended		1 Months Ended
	Jan. 03, 2012	Jan. 03, 2011	Jan. 22, 2012	Jan. 23, 2011	Nov. 30, 2011 Stock Repurchase Authorization Program Expiring November 2011 [Member]	May 31, 2011 Stock Repurchase Authorization Program Expiring November 2012 [Member]
Equity, Class of Treasury Stock [Line Items]
Repurchase of common stock, authorized amount					$ 100,000,000	$ 100,000,000
Repurchase of common stock, remaining authorized amount	100,000,000
Stock repurchase program, expiration date						November 2012
Common stock repurchased, shares			0.3
Common stock repurchased, aggregate cost		$ 6,400,000	$ 6,901,000	$ 50,000,000