Debt (Tables)

12 Months Ended

Jun. 30, 2018

Debt Disclosure [Abstract]

Availability under the senior credit facility

	June 30, 2018		June 30, 2017
	(In thousands)
Senior secured revolving credit facility	$	300,000	$	300,000
Capacity constraint due to the Leverage Ratio	189,741		169,092
Capacity under the senior secured revolving credit facility	110,259		130,908
Letters of credit issued	37,073		7,825
Borrowings outstanding	—		44,682
Availability under the senior secured revolving credit facility	$	73,186	$	78,401