Accumulated Other Comprehensive Loss (Details) - Jun. 30, 2015 - USD ($) $ in Thousands	Total	Total
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	$ (43,154)	$ (4,446)
Other comprehensive (loss) income before reclassifications	5,147	(33,497)
Amounts reclassified from accumulated other comprehensive income	(113)	(177)
Net increase (decrease) in other comprehensive (loss) income	5,034	(33,674)
Ending balance	(38,120)	(38,120)
Foreign currency [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(44,105)	(4,615)
Other comprehensive (loss) income before reclassifications	5,560	(33,930)
Amounts reclassified from accumulated other comprehensive income	0	0
Net increase (decrease) in other comprehensive (loss) income	5,560	(33,930)
Ending balance	(38,545)	(38,545)
Change in unrealized gains on available-for-sale securities [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	951	169
Other comprehensive (loss) income before reclassifications	(413)	433
Amounts reclassified from accumulated other comprehensive income	(113)	(177)
Net increase (decrease) in other comprehensive (loss) income	(526)	256
Ending balance	$ 425	$ 425