CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Revenue	$ 1,861,145	$ 1,830,802	$ 1,293,996
Cost of goods and services	1,442,340	1,437,341	1,005,692
Gross profit	418,805	393,461	288,304
Selling, general and administrative expenses	341,696	330,369	261,403
Restructuring and other related charges	4,689	7,543	4,180
Total operating expenses	346,385	337,912	265,583
Income from operations	72,420	55,549	22,721
Other income (expense)
Interest expense	(52,007)	(47,846)	(12,322)
Interest income	292	398	409
Loss from debt extinguishment, net	0	(26,164)	(1,117)
Other, net	1,236	3,714	4,121
Total other income (expense)	(50,479)	(69,898)	(8,909)
Income (loss) before taxes	21,941	(14,349)	13,812
Provision (benefit) for income taxes	4,930	(6,918)	4,308
Income (loss) from continuing operations	17,011	(7,431)	9,504
Discontinued operations:
Income from operations of the discontinued Installation Services business	0	0	142
Provision for income taxes	0	0	54
Income from discontinued operations	0	0	88
Net income (loss)	$ 17,011	$ (7,431)	$ 9,592
Income (loss) from continuing operations (in Dollars per share)	$ 0.30	$ (0.13)	$ 0.16
Income from discontinued operations (in Dollars per share)	$ 0.00	$ 0.00	$ 0.00
Basic earnings (loss) per common share (in Dollars per share)	$ 0.30	$ (0.13)	$ 0.16
Weighted-average shares outstanding (in Shares)	55,914	58,919	58,974
Income (loss) from continuing operations (in Dollars per share)	$ 0.30	$ (0.13)	$ 0.16
Income from discontinued operations (in Dollars per share)	$ 0.00	$ 0.00	$ 0.00
Diluted earnings (loss) per common share (in Dollars per share)	$ 0.30	$ (0.13)	$ 0.16
Weighted-average shares outstanding (in Shares)	57,329	58,919	59,993