CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Net loss	$ (41,651)	$ (37,087)	$ (73,595)
Other comprehensive (loss) income, net of tax:
Unrealized gains (losses) on derivative instruments designated as cash flow hedges, net of tax	11,715	(7,518)	(9,198)
Change in pension and retiree benefit obligations, net of tax	19,294	(13,722)	(1,612)
Total comprehensive loss, net of tax	(10,951)	(49,464)	(75,208)
Cost Of Goods Sold
Other comprehensive (loss) income, net of tax:
(Gains) losses on derivative instruments designated as cash flow hedges reclassified to cost of goods sold, net of tax	(1,593)	8,863	9,197
Interest Expense [Member]
Other comprehensive (loss) income, net of tax:
(Gains) losses on derivative instruments designated as cash flow hedges reclassified to cost of goods sold, net of tax	$ 1,284	$ 0	$ 0