Dividend Restrictions - Condensed Statements of Operations (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Condensed Income Statements Captions [Line Items]
Net sales	$ 160,343	$ 165,698	$ 324,414	$ 224,439	$ 230,530	$ 210,984	$ 338,418	$ 227,313	$ 874,895	$ 1,007,246	$ 1,006,332
Cost of sales									590,025	654,931	665,358
Gross profit	45,794	52,167	105,776	81,132	76,654	76,498	116,745	82,418	284,870	352,315	340,974
Selling, general and administrative expenses									330,572	362,840	361,924
Operating loss before interest, reorganization and other expense	(130,996)	(30,647)	11,099	(8,651)	(11,434)	(7,811)	16,308	(7,588)	(159,194)	(10,525)	(20,950)
Other income/(expense):
Interest expense									(3,845)	(2,461)	(2,061)
Loss before income taxes									(166,107)	(12,194)	(22,077)
Income tax provision									221	246	(139)
Net loss	$ (136,597)	$ (31,040)	$ 10,937	$ (9,629)	$ (12,049)	$ (8,289)	$ 16,006	$ (8,109)	(166,328)	(12,440)	(21,938)
Parent Company
Other income/(expense):
Net loss of subsidiaries									(166,328)	(12,440)	(21,938)
Net loss									$ (166,328)	$ (12,440)	$ (21,938)