CONSOLIDATING GUARANTOR AND NON-GUARANTOR FINANCIAL INFORMATION (Detail) - Summary of consolidated statement of operations and comprehensive income (USD $)	3 Months Ended				6 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2012	Dec. 31, 2011	Mar. 31, 2013	Mar. 31, 2012
Revenue	$ 488,743,000		$ 482,431,000		$ 912,492,000	$ 933,462,000
Cost of goods and services	383,246,000		379,630,000		709,325,000	727,953,000
Gross profit	105,497,000		102,801,000		203,167,000	205,509,000
Selling, general and administrative expenses	86,059,000		86,152,000		168,278,000	169,219,000
Restructuring and other related charges	9,336,000	1,108,000	0	1,795,000	10,444,000	1,795,000
Total operating expenses	95,395,000		86,152,000		178,722,000	171,014,000
Income (loss) from operations	10,102,000		16,649,000		24,445,000	34,495,000
Other income (expense)
Interest income (expense), net	(12,909,000)		(12,919,000)		(25,988,000)	(25,919,000)
Other, net	422,000		1,029,000		908,000	1,076,000
Total other income (expense)	(12,487,000)		(11,890,000)		(25,080,000)	(24,843,000)
Income (loss) before taxes	(2,385,000)		4,759,000		(635,000)	9,652,000
Provision (benefit) for income taxes	(1,566,000)		2,732,000		(374,000)	5,139,000
Income (loss) before equity in net income (loss) of subsidiaries	(819,000)		2,027,000		(261,000)	4,513,000
Equity in net income (loss) of subsidiaries	0		0
Net income (loss)	(819,000)		2,027,000		(261,000)	4,513,000
Other comprehensive income (loss), net of taxes	(5,264,000)		10,143,000		1,599,000	6,088,000
Comprehensive income (loss)	(6,083,000)		12,170,000		1,338,000	10,601,000
Parent Company [Member]
Revenue	0		0
Cost of goods and services	0		0
Gross profit	0		0
Selling, general and administrative expenses	3,821,000		4,627,000		11,278,000	9,244,000
Restructuring and other related charges	0					0
Total operating expenses	3,821,000		4,627,000		11,278,000	9,244,000
Income (loss) from operations	(3,821,000)		(4,627,000)		(11,278,000)	(9,244,000)
Other income (expense)
Interest income (expense), net	(3,610,000)		(3,345,000)		(7,222,000)	(6,743,000)
Other, net	322,000		109,000		355,000	174,000
Total other income (expense)	(3,288,000)		(3,236,000)		(6,867,000)	(6,569,000)
Income (loss) before taxes	(7,109,000)		(7,863,000)		(18,145,000)	(15,813,000)
Provision (benefit) for income taxes	(4,393,000)		(3,316,000)		(9,759,000)	(7,757,000)
Income (loss) before equity in net income (loss) of subsidiaries	(2,716,000)		(4,547,000)		(8,386,000)	(8,056,000)
Equity in net income (loss) of subsidiaries	2,317,000		6,574,000		8,625,000	12,569,000
Net income (loss)	(399,000)		2,027,000		239,000	4,513,000
Other comprehensive income (loss), net of taxes	(1,181,000)		238,000		422,000	476,000
Comprehensive income (loss)	(1,580,000)		2,265,000		661,000	4,989,000
Guarantor Subsidiaries [Member]
Revenue	379,846,000		344,442,000		700,904,000	682,504,000
Cost of goods and services	292,369,000		264,078,000		531,186,000	517,605,000
Gross profit	87,477,000		80,364,000		169,718,000	164,899,000
Selling, general and administrative expenses	67,936,000		65,072,000		129,586,000	129,063,000
Restructuring and other related charges	5,372,000				6,480,000	1,779,000
Total operating expenses	73,308,000		65,072,000		136,066,000	130,842,000
Income (loss) from operations	14,169,000		15,292,000		33,652,000	34,057,000
Other income (expense)
Interest income (expense), net	(6,824,000)		(5,327,000)		(13,703,000)	(11,309,000)
Other, net	1,966,000		2,746,000		4,265,000	5,588,000
Total other income (expense)	(4,858,000)		(2,581,000)		(9,438,000)	(5,721,000)
Income (loss) before taxes	9,311,000		12,711,000		24,214,000	28,336,000
Provision (benefit) for income taxes	2,750,000		6,061,000		8,948,000	12,787,000
Income (loss) before equity in net income (loss) of subsidiaries	6,561,000		6,650,000		15,266,000	15,549,000
Equity in net income (loss) of subsidiaries	(4,235,000)		(38,000)		(6,596,000)	(2,878,000)
Net income (loss)	2,326,000		6,612,000		8,670,000	12,671,000
Other comprehensive income (loss), net of taxes	(46,562,000)		(5,965,000)		(42,139,000)	32,970,000
Comprehensive income (loss)	(44,236,000)		647,000		(33,469,000)	45,641,000
Non-Guarantor Subsidiaries [Member]
Revenue	123,599,000		151,309,000		238,510,000	278,272,000
Cost of goods and services	104,011,000		129,241,000		202,365,000	238,401,000
Gross profit	19,588,000		22,068,000		36,145,000	39,871,000
Selling, general and administrative expenses	15,912,000		16,546,000		30,534,000	31,097,000
Restructuring and other related charges	3,964,000				3,964,000	16,000
Total operating expenses	19,876,000		16,546,000		34,498,000	31,113,000
Income (loss) from operations	(288,000)		5,522,000		1,647,000	8,758,000
Other income (expense)
Interest income (expense), net	(2,475,000)		(4,247,000)		(5,063,000)	(7,867,000)
Other, net	(1,404,000)		(1,364,000)		(2,788,000)	(3,762,000)
Total other income (expense)	(3,879,000)		(5,611,000)		(7,851,000)	(11,629,000)
Income (loss) before taxes	(4,167,000)		(89,000)		(6,204,000)	(2,871,000)
Provision (benefit) for income taxes	77,000		(13,000)		437,000	109,000
Income (loss) before equity in net income (loss) of subsidiaries	(4,244,000)		(76,000)		(6,641,000)	(2,980,000)
Equity in net income (loss) of subsidiaries	6,561,000		6,650,000		15,266,000	15,549,000
Net income (loss)	2,317,000		6,574,000		8,625,000	12,569,000
Other comprehensive income (loss), net of taxes	42,479,000		15,870,000		43,316,000	(27,358,000)
Comprehensive income (loss)	44,796,000		22,444,000		51,941,000	(14,789,000)
Consolidation, Eliminations [Member]
Revenue	(14,702,000)		(13,320,000)		(26,922,000)	(27,314,000)
Cost of goods and services	(13,134,000)		(13,689,000)		(24,226,000)	(28,053,000)
Gross profit	(1,568,000)		369,000		(2,696,000)	739,000
Selling, general and administrative expenses	(1,610,000)		(93,000)		(3,120,000)	(185,000)
Restructuring and other related charges	0					0
Total operating expenses	(1,610,000)		(93,000)		(3,120,000)	(185,000)
Income (loss) from operations	42,000		462,000		424,000	924,000
Other income (expense)
Interest income (expense), net	0		0
Other, net	(462,000)		(462,000)		(924,000)	(924,000)
Total other income (expense)	(462,000)		(462,000)		(924,000)	(924,000)
Income (loss) before taxes	(420,000)		0		(500,000)
Provision (benefit) for income taxes	0		0
Income (loss) before equity in net income (loss) of subsidiaries	(420,000)		0		(500,000)
Equity in net income (loss) of subsidiaries	(4,643,000)		(13,186,000)		(17,295,000)	(25,240,000)
Net income (loss)	(5,063,000)		(13,186,000)		(17,795,000)	(25,240,000)
Other comprehensive income (loss), net of taxes	0		0
Comprehensive income (loss)	$ (5,063,000)		$ (13,186,000)		$ (17,795,000)	$ (25,240,000)