CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Income Statement [Abstract]
Net sales	$ 522.9	$ 387.6
Cost of sales	468.1	362.4
Gross profit	54.8	25.2
Selling, general and administrative expenses	46.5	44.3
Operating income (loss)	8.3	(19.1)
Interest expense, net	12.6	10.2
Other expense (income), net	3.5	(4.1)
Loss before income taxes	(7.8)	(25.2)
Income tax benefit	(0.9)	(10.4)
Net loss	$ (6.9)	$ (14.8)
LOSS PER COMMON SHARE:
Basic (in dollars per share)	$ (0.14)	$ (0.31)
Diluted (in dollars per share)	$ (0.14)	$ (0.31)
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
Basic (in shares)	48.7	48.5
Diluted (in shares)	48.7	48.5