Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	Dec. 30, 2012	Sep. 30, 2012
Statement of Financial Position [Abstract]
Accounts receivable, allowance for doubtful accounts	$ 1,449	$ 1,623
Preferred stock, par value	$ 1	$ 1
Preferred stock, authorized	1,000	1,000
Preferred stock, issued	0	0
Common stock, par value	$ 0.20	$ 0.20
Common stock, authorized	250,000	250,000
Common stock, issued	91,099	90,282
Common stock, outstanding	91,099	90,282