CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Net income	$ 22,914	$ 69,580	$ 25,269
Other comprehensive income (loss):
Adjustment to pension liability, net of tax	(15,791)	(1,085)	13,106
Foreign currency translation	(31,430)	(2,017)	974
Net unrealized gain (loss) on available-for-sale securities, net of tax			(2)
Change in net unrealized gains/losses from cash flow hedges:
Change in fair value of cash flow hedges, net of tax	1,574	748	2,977
Adjustment for net gains/losses realized and included in net income, net of tax	(817)	(215)	800
Total change in net unrealized gains/losses from cash flow hedges, net of tax	757	533	3,777
Total other comprehensive income (loss)	(46,464)	(2,569)	17,855
Total comprehensive income (loss)	$ (23,550)	$ 67,011	$ 43,124