CONSOLIDATING GUARANTOR AND NON-GUARANTOR FINANCIAL INFORMATION (Detail) - Summary of consolidated statement of operations and comprehensive income (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Revenue	$ 423,749	$ 451,031
Cost of goods and services	326,079	348,323
Gross profit	97,670	102,708
Selling, general and administrative expenses	82,219	83,066
Restructuring and other related charges	1,108	1,795
Total operating expenses	83,327	84,861
Income (loss) from operations	14,343	17,847
Other income (expense)
Interest income (expense), net	(13,079)	(13,000)
Other, net	486	47
Total other income (expense)	(12,593)	(12,953)
Income (loss) before taxes	1,750	4,894
Provision (benefit) for income taxes	1,192	2,407
Income (loss) before equity in net income (loss) of subsidiaries	558	2,487
Equity in net income (loss) of subsidiaries	0	0
Net income (loss)	558	2,487
Other comprehensive income (loss), net of taxes	6,863	(4,048)
Comprehensive income (loss)	7,421	(1,561)
Parent Company [Member]
Revenue	0	0
Cost of goods and services	0	0
Gross profit	0	0
Selling, general and administrative expenses	7,456	4,616
Restructuring and other related charges	0	0
Total operating expenses	7,456	4,616
Income (loss) from operations	(7,456)	(4,616)
Other income (expense)
Interest income (expense), net	(3,611)	(3,398)
Other, net	33	65
Total other income (expense)	(3,578)	(3,333)
Income (loss) before taxes	(11,034)	(7,949)
Provision (benefit) for income taxes	(5,367)	(4,441)
Income (loss) before equity in net income (loss) of subsidiaries	(5,667)	(3,508)
Equity in net income (loss) of subsidiaries	6,304	5,995
Net income (loss)	637	2,487
Other comprehensive income (loss), net of taxes	1,603	238
Comprehensive income (loss)	2,240	2,725
Guarantor Subsidiaries [Member]
Revenue	321,058	338,062
Cost of goods and services	238,817	253,527
Gross profit	82,241	84,535
Selling, general and administrative expenses	61,651	63,991
Restructuring and other related charges	1,108	1,779
Total operating expenses	62,759	65,770
Income (loss) from operations	19,482	18,765
Other income (expense)
Interest income (expense), net	(6,880)	(5,982)
Other, net	2,300	2,842
Total other income (expense)	(4,580)	(3,140)
Income (loss) before taxes	14,902	15,625
Provision (benefit) for income taxes	6,199	6,726
Income (loss) before equity in net income (loss) of subsidiaries	8,703	8,899
Equity in net income (loss) of subsidiaries	(2,363)	(2,840)
Net income (loss)	6,340	6,059
Other comprehensive income (loss), net of taxes	4,423	38,942
Comprehensive income (loss)	10,763	45,001
Non-Guarantor Subsidiaries [Member]
Revenue	114,911	126,963
Cost of goods and services	98,355	109,160
Gross profit	16,556	17,803
Selling, general and administrative expenses	14,622	14,551
Restructuring and other related charges	0	16
Total operating expenses	14,622	14,567
Income (loss) from operations	1,934	3,236
Other income (expense)
Interest income (expense), net	(2,588)	(3,620)
Other, net	(1,385)	(2,398)
Total other income (expense)	(3,973)	(6,018)
Income (loss) before taxes	(2,039)	(2,782)
Provision (benefit) for income taxes	360	122
Income (loss) before equity in net income (loss) of subsidiaries	(2,399)	(2,904)
Equity in net income (loss) of subsidiaries	8,703	8,899
Net income (loss)	6,304	5,995
Other comprehensive income (loss), net of taxes	837	(43,228)
Comprehensive income (loss)	7,141	(37,233)
Consolidation, Eliminations [Member]
Revenue	(12,220)	(13,994)
Cost of goods and services	(11,093)	(14,364)
Gross profit	(1,127)	370
Selling, general and administrative expenses	(1,510)	(92)
Restructuring and other related charges	0	0
Total operating expenses	(1,510)	(92)
Income (loss) from operations	383	462
Other income (expense)
Interest income (expense), net	0	0
Other, net	(462)	(462)
Total other income (expense)	(462)	(462)
Income (loss) before taxes	(79)	0
Provision (benefit) for income taxes	0	0
Income (loss) before equity in net income (loss) of subsidiaries	(79)	0
Equity in net income (loss) of subsidiaries	(12,644)	(12,054)
Net income (loss)	(12,723)	(12,054)
Other comprehensive income (loss), net of taxes	0	0
Comprehensive income (loss)	$ (12,723)	$ (12,054)