Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	Sep. 30, 2012
Statement of Financial Position [Abstract]
Accounts receivable, allowance for doubtful accounts	$ 1,623
Preferred stock, par value	$ 1.00
Preferred stock, authorized	1,000
Preferred stock, issued	0
Common stock, par value	$ 0.20
Common stock, authorized	250,000
Common stock, issued	90,282
Common stock, outstanding	90,282