Accrued Expenses (Tables)

12 Months Ended

Jun. 30, 2016

Payables And Accruals [Abstract]

Schedule of components of accrued expenses

	2016		2015
Accrued compensation	$	6,880	$	6,942
Accrued environmental remediation costs-current portion		9,180		8,084
Reserve for price concessions		31,342		35,965
Other accrued expenses		5,273		8,850
	$	52,675	$	59,841