CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data	3 Months Ended				9 Months Ended
	Jun. 30, 2011		Jun. 30, 2010		Jun. 30, 2011		Jun. 30, 2010
Revenue	$ 455,282		$ 327,026		$ 1,345,813		$ 946,160
Cost of goods and services	356,113		252,671		1,057,642		732,454
Gross profit	99,169		74,355		288,171		213,706
Selling, general and administrative expenses	82,045		61,650		246,853		187,666
Restructuring and other related charges	2,118		1,489		4,723		3,720
Total operating expenses	84,163		63,139		251,576		191,386
Income from operations	15,006		11,216		36,595		22,320
Other income (expense)
Interest expense	(12,569)		(3,760)		(35,111)		(10,459)
Interest income	106		81		272		335
Loss from debt extinguishment, net	0		0		(26,164)		(6)
Other, net	145		(583)		3,407		633
Total other income (expense)	(12,318)		(4,262)		(57,596)		(9,497)
Income (loss) before taxes and discontinued operations	2,688		6,954		(21,001)		12,823
Provision (benefit) for income taxes	(2,184)		1,965		(10,192)		1,620
Income (loss) from continuing operations	4,872		4,989		(10,809)		11,203
Discontinued operations:
Income (loss) from operations of the discontinued Installation Services business	0		(26)		0		143
Provision (benefit) for income taxes	0		(5)		0		54
Income (loss) from discontinued operations	0		(21)		0		89
Net income (loss)	$ 4,872		$ 4,968		$ (10,809)		$ 11,292
Basic earnings (loss) per common share:
Income (loss) from continuing operations (in Dollars per share)	$ 0.08	[1]	$ 0.08	[1]	$ (0.18)	[1]	$ 0.19	[1]
Income from discontinued operations (in Dollars per share)	$ 0.00	[1]	$ 0.00	[1]	$ 0.00	[1]	$ 0.00	[1]
Net income (loss) (in Dollars per share)	$ 0.08	[1]	$ 0.08	[1]	$ (0.18)	[1]	$ 0.19	[1]
Weighted-average shares outstanding (in Shares)	59,606		59,018		59,387		58,944
Diluted earnings (loss) per common share:
Income (loss) from continuing operations (in Dollars per share)	$ 0.08	[1]	$ 0.08	[1]	$ (0.18)	[1]	$ 0.19	[1]
Income from discontinued operations (in Dollars per share)	$ 0.00	[1]	$ 0.00	[1]	$ 0.00	[1]	$ 0.00	[1]
Net income (loss) (in Dollars per share)	$ 0.08	[1]	$ 0.08	[1]	$ (0.18)	[1]	$ 0.19	[1]
Weighted-average shares outstanding (in Shares)	60,525		60,154		59,387		59,897

[1] Due to rounding, the sum of earnings per share of Continuing operations and Discontinued operations may not equal earnings per share of Net income (loss).