Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2012	Oct. 01, 2011
Condensed Consolidated Balance Sheets [Abstract]
Accounts receivable, allowances	$ 2,275	$ 3,256
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	200,000,000	200,000,000
Common stock, shares issued	48,731,000	48,928,000
Common stock, shares outstanding	34,977,000	34,544,000
Treasury stock, shares	13,754,000	13,754,000