CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Dec. 31, 2023	Jun. 30, 2023
Current assets:
Cash and cash equivalents	$ 15.7	$ 44.5
Accounts receivable, net	508.4	531.3
Inventories	797.8	639.7
Other current assets	88.3	66.4
Total current assets	1,410.2	1,281.9
Noncurrent assets:
Property, plant, equipment and software, net	1,364.2	1,383.8
Goodwill	241.4	241.4
Other intangibles, net	25.4	28.7
Deferred income taxes	6.7	6.6
Other assets	111.3	111.5
Total assets	3,159.2	3,053.9
Current liabilities:
Short-term credit agreement borrowings	13.9	0.0
Accounts payable	313.4	278.1
Accrued liabilities	158.4	181.3
Total current liabilities	485.7	459.4
Noncurrent liabilities:
Long-term debt	693.6	693.0
Accrued pension liabilities	191.2	190.1
Accrued postretirement benefits	47.2	45.8
Deferred income taxes	168.8	170.3
Other liabilities	98.9	99.2
Total liabilities	1,685.4	1,657.8
Contingencies and commitments (see Note 9)
Equity, Attributable to Parent [Abstract]
Common stock — authorized 100,000,000 shares; issued 56,634,411 shares at December 31, 2023 and 56,143,131 shares at June 30, 2023; outstanding 49,412,070 shares at December 31, 2023 and 48,635,740 shares at June 30, 2023	283.2	280.7
Capital in excess of par value	327.9	328.4
Reinvested earnings	1,294.8	1,228.0
Common stock in treasury (7,222,341 shares and 7,507,391 shares at December 31, 2023 and June 30, 2023, respectively), at cost	(289.7)	(298.0)
Accumulated other comprehensive loss	(142.4)	(143.0)
Total stockholders' equity	1,473.8	1,396.1
Total liabilities and stockholders' equity	$ 3,159.2	$ 3,053.9