QUARTERLY FINANCIAL INFORMATION (UNAUDITED) (Detail) - Schedule of quarterly financial information (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
2012
Revenue	$ 447,436	$ 480,246	$ 482,431	$ 451,032	$ 484,989	$ 455,282	$ 476,129	$ 414,402	$ 1,861,145	$ 1,830,802	$ 1,293,996
Gross Profit	97,651	115,645	102,801	102,708	105,290	99,169	101,143	87,859	418,805	393,461	288,304
Net Income (loss)	$ 3,448	$ 9,048	$ 2,027	$ 2,488	$ 3,378	$ 4,872	$ (14,001)	$ (1,680)	$ 17,011	$ (7,431)	$ 9,592
Continuing Operations, Per Share - Basic (in Dollars per share)	$ 0.06	$ 0.16	$ 0.04	$ 0.04	$ 0.06	$ 0.08	$ (0.24)	$ (0.03)	$ 0.30	$ (0.13)	$ 0.16
Continuing Operations, Per Share - Diluted (in Dollars per share)	$ 0.06	$ 0.16	$ 0.04	$ 0.04	$ 0.06	$ 0.08	$ (0.24)	$ (0.03)	$ 0.30	$ (0.13)	$ 0.16