CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Income Statement [Abstract]
Revenue	$ 516,550	$ 358,114	$ 1,432,413	$ 1,094,198
Cost of goods and services	377,758	260,130	1,051,304	800,601
Gross profit	138,792	97,984	381,109	293,597
Selling, general and administrative expenses	114,294	80,555	323,776	241,372
Income from operations	24,498	17,429	57,333	52,225
Other income (expense)
Interest expense	(16,328)	(12,679)	(49,973)	(38,694)
Interest income	532	17	1,491	38
Other, net	300	(220)	1,266	(422)
Total other expense, net	(15,496)	(12,882)	(47,216)	(39,078)
Income before taxes from continuing operations	9,002	4,547	10,117	13,147
Provision (benefit) from income taxes	1,560	95	(22,107)	(299)
Income from continuing operations	7,442	4,452	32,224	13,446
Discontinued operations:
Income (loss) from operations of discontinued operations (including a gain on sale of $117,625 in 2018)	(200)	7,024	124,642	21,639
Provision for income taxes (including tax on gain on sale of $31,268 in 2018)	1,415	1,922	29,770	8,222
Income (loss) from discontinued operations (including a gain on sale, net of tax of $86,357 in 2018)	(1,615)	5,102	94,872	13,417
Net income	$ 5,827	$ 9,554	$ 127,096	$ 26,863
Income from continuing operations (in dollars per share)	$ 0.18	$ 0.11	$ 0.78	$ 0.33
Income from discontinued operations (in dollars per share)	(0.04)	0.12	2.30	0.33
Basic earnings per common share (in Dollars per share)	$ 0.14	$ 0.23	$ 3.08	$ 0.66
Weighted-average shares outstanding (in shares)	40,295	41,683	41,232	40,765
Income from continuing operations (in dollars per share)	$ 0.18	$ 0.10	$ 0.76	$ 0.31
Income from discontinued operations (in dollars per share)	(0.04)	0.12	2.23	0.31
Diluted earnings per common share (in dollars per share)	$ 0.14	$ 0.22	$ 2.98	$ 0.63
Weighted-average shares outstanding (in shares)	41,742	43,255	42,620	42,934
Dividends paid per common share (in Dollars per share)	$ 1.07	$ 0.06	$ 1.21	$ 0.18
Dividends paid per common share	$ 5,827	$ 9,554	$ 127,096	$ 26,863
Other comprehensive income (loss), net of taxes:
Foreign currency translation adjustments	(9,136)	6,414	9,289	1,344
Pension and other post retirement plans	247	544	10,053	1,632
Change in cash flow hedges	84	198	612	801
Total other comprehensive income (loss), net of taxes	(8,805)	7,156	19,954	3,777
Comprehensive income (loss), net	$ (2,978)	$ 16,710	$ 147,050	$ 30,640