CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Income Statement [Abstract]
Revenue	$ 2,016,032	$ 1,991,811	$ 1,871,327
Cost of goods and services	1,540,254	1,532,412	1,453,742
Gross profit	475,778	459,399	417,585
Selling, general and administrative expenses	374,761	375,099	340,469
Restructuring and other related charges	0	6,136	13,262
Total operating expenses	374,761	381,235	353,731
Income from operations	101,017	78,164	63,854
Other income (expense)
Interest expense	(48,173)	(48,447)	(52,520)
Interest income	301	303	353
Loss from debt extinguishment	0	(38,890)	0
Other, net	491	3,154	2,646
Total other income (expense)	(47,381)	(83,880)	(49,521)
Income (loss) before taxes	53,636	(5,716)	14,333
Provision (benefit) for income taxes	19,347	(5,539)	7,543
Income (loss) from continuing operations	34,289	(177)	6,790
Discontinued operations:
Loss from operations of discontinued businesses	0	0	(4,651)
Benefit from income taxes	0	0	1,628
Loss from discontinued operations	0	0	(3,023)
Net income (loss)	$ 34,289	$ (177)	$ 3,767
Income (loss) from continuing operations (in Dollars per share)	$ 0.77	$ 0.00	$ 0.12
Loss from discontinued operations (in Dollars per share)	0.00	0.00	(0.06)
Basic earnings (loss) per common share (in Dollars per share)	$ 0.77	$ 0.00	$ 0.07
Weighted-average shares outstanding (in Shares)	44,608	49,367	54,428
Income (loss) from continuing operations (in Dollars per share)	$ 0.73	$ 0.00	$ 0.12
Loss from discontinued operations (in Dollars per share)	0.00	0.00	(0.05)
Diluted earnings (loss) per common share (in Dollars per share)	$ 0.73	$ 0.00	$ 0.07
Weighted-average shares outstanding (in Shares)	46,939	49,367	56,563
Other comprehensive income (loss), net of taxes:
Foreign currency translation adjustments	$ (56,358)	$ (23,933)	$ (3,090)
Pension and other post retirement plans	(4,326)	(3,914)	19,310
Change in available-for-sale securities	(870)	870	0
Gain on cash flow hedge	430	252	0
Total other comprehensive income (loss), net of taxes	(61,124)	(26,725)	16,220
Comprehensive income (loss)	$ (26,835)	$ (26,902)	$ 19,987