Employee Benefit Plans - Schedule of Single Employer Pension Plans (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Components of net periodic benefit cost
Pension settlement charge	$ 0	$ 10,948	$ 0	$ 10,948
Pension Plan
Components of net periodic benefit cost
Service cost	0	0	0	0
Interest cost	1,059	1,426	2,118	2,852
Expected return on plan assets	(1,102)	(1,485)	(2,203)	(2,970)
Amortization of net loss (gain)	370	370	740	740
Pension settlement charge	0	10,948	0	10,948
Net periodic benefit cost	$ 327	$ 11,259	$ 655	$ 11,570
Weighted average assumptions used to determine benefit obligations
Discount rate			3.45%	4.05%
Expected long-term return on plan assets			6.75%	6.75%