Consolidated Balance Sheets (Parenthetical) $ in Thousands	Mar. 31, 2017 USD ($) shares	Mar. 31, 2017 € / shares	Jun. 30, 2016 USD ($) shares	Jun. 30, 2016 € / shares
Current Assets
Allowance for doubtful accounts receivable, current | $	$ 2,253		$ 490
Stockholders' Equity
Preferred shares, par value | € / shares		€ 0.01		€ 0.01
Preferred shares, shares authorized	100,000,000		100,000,000
Preferred shares, shares issued	0		0
Preferred shares, shares outstanding	0		0
Ordinary shares, par value | € / shares		€ 0.01		€ 0.01
Ordinary shares, shares authorized	100,000,000		100,000,000
Ordinary shares, shares issued	44,080,627		44,080,627
Common Stock, Shares, outstanding	31,142,576		31,536,732
Treasury shares, shares	12,938,051		12,543,895