Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Net income	$ 6,502	$ 2,677	$ 12,124	$ 10,673
Other comprehensive income (loss):
Foreign currency translation adjustments, Pre-tax	0	(484)	0	(6,070)
Foreign currency translation adjustments, Tax	0	0	0	0
Foreign currency translation adjustments, Net of Tax	0	(484)	0	(6,070)
Postemployment severance actuarial change, Pre-tax	49	305	283	653
Postemployment severance actuarial change, Tax	(19)	(122)	(110)	(260)
Postemployment severance actuarial change, Net of Tax	30	183	173	393
Derivative gain (loss), Pre-tax	0	282	0	2,513
Derivative gain (loss), Tax	0	(68)	0	(416)
Derivative gain (loss), Net of Tax	0	214	0	2,097
Reclassification to (earnings) loss:
Derivatives, Reclassification to (earnings) loss, Pre-tax	0	(130)	0	(1,484)
Derivatives, Reclassification to (earnings) loss, Tax	0	16	0	291
Derivatives, Reclassification to (earnings) loss, Net of Tax	0	(114)	0	(1,193)
Amortization of prior service cost, Pre-tax	0	65	0	136
Amortization of prior service cost, Tax	0	(26)	0	(54)
Amortization of prior service cost, Net of Tax	0	39	0	82
Amortization of actuarial change, Pre-tax	(105)	(97)	(219)	(77)
Amortization of actuarial change, Tax	41	39	85	31
Amortization of actuarial change, Net of Tax	(64)	(58)	(134)	(46)
Other comprehensive income (loss), Pre-tax	(56)	(59)	64	(4,329)
Other comprehensive income (loss), Tax	22	(161)	(25)	(408)
Other comprehensive income (loss), Net of Tax	(34)	(220)	39	(4,737)
Total comprehensive income (loss)	$ 6,468	$ 2,457	$ 12,163	$ 5,936