CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Statement of Comprehensive Income [Abstract]
Net loss	$ (4,040,000)	$ (13,684,000)	$ (11,884,000)	$ (37,680,000)
Other comprehensive income (loss):
Unrealized gains (losses) on derivatives designated as cash flow hedges	383,000	(1,315,000)	11,374,000	6,012,000
Gains on derivatives designated as cash flow hedges reclassified to cost of goods sold	(3,110,000)	(973,000)	(8,742,000)	(1,233,000)
Losses on derivative instruments undesignated as cash flow hedges reclassified to interest expense, net of tax	294,000	301,000	916,000	960,000
Change in pension and retiree benefit obligations	0	0	0	1,105,000
Total comprehensive loss, net of tax	$ (6,473,000)	$ (15,671,000)	$ (8,336,000)	$ (33,046,000)