Supplementary Balance Sheet Information (Details 3) $ in Thousands	12 Months Ended
	Jun. 30, 2015 USD ($) action	Jun. 30, 2014 USD ($) action	Jun. 30, 2013 USD ($) action
Restructuring charges
Number of restructuring actions taken | action	0	0	0
Restructuring credits	$ 0	$ 15	$ 5
Accrued facility exit costs	100	100
Cash payments related to accrued facility exit costs			800
Maximum
Restructuring charges
Restructuring credits	100	100	$ 100
Cash payments related to accrued facility exit costs	$ 100	$ 100