CONSOLIDATING GUARANTOR AND NON-GUARANTOR FINANCIAL INFORMATION (Details) - Summary of Condensed Consolidating Statements of Operations and Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2014	Mar. 31, 2013
Condensed Income Statements, Captions [Line Items]
Revenue	$ 507,687		$ 488,743		$ 961,145	$ 912,492
Cost of goods and services	397,700		383,246		745,655	709,325
Gross profit	109,987		105,497		215,490	203,167
Selling, general and administrative expenses	89,622		86,059		177,302	168,278
Restructuring and other related charges	692	842	9,336	1,108	1,534	10,444
Total operating expenses	90,314		95,395		178,836	178,722
Income (loss) from operations	19,673		10,102		36,654	24,445
Other income (expense)
Interest income (expense), net	(12,361)		(12,909)		(25,462)	(25,988)
Loss from debt extinguishment, net	(38,890)				(38,890)
Other, net	783		422		1,689	908
Total other income (expense)	(50,468)		(12,487)		(62,663)	(25,080)
Income (loss) before taxes	(30,795)		(2,385)		(26,009)	(635)
Provision (benefit) for income taxes	(4,970)		(1,566)		(3,420)	(374)
Income (loss) before equity in net income of subsidiaries	(25,825)		(819)		(22,589)	(261)
Net income (loss)	(25,825)		(819)		(22,589)	(261)
Net Income (loss)	(25,825)		(819)		(22,589)	(261)
Other comprehensive income (loss), net of taxes	2,323		(5,264)		(498)	1,599
Comprehensive income (loss)	(23,502)		(6,083)		(23,087)	1,338
Parent Company [Member]
Condensed Income Statements, Captions [Line Items]
Selling, general and administrative expenses	7,161		3,821		13,491	11,278
Total operating expenses	7,161		3,821		13,491	11,278
Income (loss) from operations	(7,161)		(3,821)		(13,491)	(11,278)
Other income (expense)
Interest income (expense), net	(2,885)		(3,610)		(6,490)	(7,222)
Loss from debt extinguishment, net	(38,890)				(38,890)
Other, net	15		322		127	355
Total other income (expense)	(41,760)		(3,288)		(45,253)	(6,867)
Income (loss) before taxes	(48,921)		(7,109)		(58,744)	(18,145)
Provision (benefit) for income taxes	(11,045)		(4,393)		(15,579)	(9,759)
Income (loss) before equity in net income of subsidiaries	(37,876)		(2,716)		(43,165)	(8,386)
Equity in net income (loss) of subsidiaries	12,051		1,897		20,576	8,125
Net income (loss)	(25,825)		(819)		(22,589)	(261)
Net Income (loss)	(25,825)		(819)		(22,589)	(261)
Other comprehensive income (loss), net of taxes	170		(1,181)		340	422
Comprehensive income (loss)	(25,655)		(2,000)		(22,249)	161
Guarantor Subsidiaries [Member]
Condensed Income Statements, Captions [Line Items]
Revenue	396,505		379,846		741,149	700,904
Cost of goods and services	305,191		292,369		565,174	531,186
Gross profit	91,314		87,477		175,975	169,718
Selling, general and administrative expenses	68,234		67,936		136,615	129,586
Restructuring and other related charges	728		5,372		1,492	6,480
Total operating expenses	68,962		73,308		138,107	136,066
Income (loss) from operations	22,352		14,169		37,868	33,652
Other income (expense)
Interest income (expense), net	(7,329)		(6,824)		(14,579)	(13,703)
Loss from debt extinguishment, net	0
Other, net	1,014		1,546		3,072	3,765
Total other income (expense)	(6,315)		(5,278)		(11,507)	(9,938)
Income (loss) before taxes	16,037		8,891		26,361	23,714
Provision (benefit) for income taxes	6,053		2,750		11,692	8,948
Income (loss) before equity in net income of subsidiaries	9,984		6,141		14,669	14,766
Equity in net income (loss) of subsidiaries	1,982		(4,235)		5,748	(6,596)
Net income (loss)	11,966		1,906		20,417	8,170
Net Income (loss)	11,966		1,906		20,417	8,170
Other comprehensive income (loss), net of taxes	80		(1,422)		1,869	3,457
Comprehensive income (loss)	12,046		484		22,286	11,627
Non-Guarantor Subsidiaries [Member]
Condensed Income Statements, Captions [Line Items]
Revenue	127,782		123,599		249,534	238,510
Cost of goods and services	107,555		104,011		206,949	202,365
Gross profit	20,227		19,588		42,585	36,145
Selling, general and administrative expenses	15,833		15,912		30,408	30,534
Restructuring and other related charges	(36)		3,964		42	3,964
Total operating expenses	15,797		19,876		30,450	34,498
Income (loss) from operations	4,430		(288)		12,135	1,647
Other income (expense)
Interest income (expense), net	(2,147)		(2,475)		(4,393)	(5,063)
Loss from debt extinguishment, net	0
Other, net	(194)		(1,404)		(1,368)	(2,788)
Total other income (expense)	(2,341)		(3,879)		(5,761)	(7,851)
Income (loss) before taxes	2,089		(4,167)		6,374	(6,204)
Provision (benefit) for income taxes	22		77		467	437
Income (loss) before equity in net income of subsidiaries	2,067		(4,244)		5,907	(6,641)
Equity in net income (loss) of subsidiaries	9,984		6,981		14,669	14,766
Net income (loss)	12,051		2,737		20,576	8,125
Net Income (loss)	12,051		2,737		20,576	8,125
Other comprehensive income (loss), net of taxes	2,073		(2,661)		(2,707)	(2,280)
Comprehensive income (loss)	14,124		76		17,869	5,845
Consolidation, Eliminations [Member]
Condensed Income Statements, Captions [Line Items]
Revenue	(16,600)		(14,702)		(29,538)	(26,922)
Cost of goods and services	(15,046)		(13,134)		(26,468)	(24,226)
Gross profit	(1,554)		(1,568)		(3,070)	(2,696)
Selling, general and administrative expenses	(1,606)		(1,610)		(3,212)	(3,120)
Total operating expenses	(1,606)		(1,610)		(3,212)	(3,120)
Income (loss) from operations	52		42		142	424
Other income (expense)
Loss from debt extinguishment, net	0
Other, net	(52)		(42)		(142)	(424)
Total other income (expense)	(52)		(42)		(142)	(424)
Equity in net income (loss) of subsidiaries	(24,017)		(4,643)		(40,993)	(16,295)
Net income (loss)	(24,017)		(4,643)		(40,993)	(16,295)
Net Income (loss)	(24,017)		(4,643)		(40,993)	(16,295)
Other comprehensive income (loss), net of taxes	0
Comprehensive income (loss)	$ (24,017)		$ (4,643)		$ (40,993)	$ (16,295)