CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023
OPERATING ACTIVITIES
Net income	$ 376.0	$ 186.5	$ 56.4
Adjustments to reconcile net income to net cash provided from operating activities:
Depreciation and amortization	139.2	134.6	131.0
Goodwill impairment charge	0.0	14.1	0.0
Noncash restructuring and asset impairment charges	2.5	15.8	0.0
Deferred income taxes	(17.4)	(13.3)	(0.4)
Net pension expense	24.8	76.0	19.9
Share-based compensation expense	22.8	19.8	16.4
Net loss on disposal of property, plant, and equipment and assets held for sale	2.0	4.6	2.5
Changes in working capital and other:
Accounts receivable	(1.8)	(32.6)	(144.5)
Inventories	(60.4)	(96.7)	(140.3)
Other current assets	13.7	(31.3)	13.0
Accounts payable	(1.4)	(11.0)	29.2
Accrued liabilities	13.7	23.6	38.2
Pension plan contributions	(64.8)	(11.3)	0.0
Other postretirement plan contributions	(3.6)	(2.6)	(3.3)
Other, net	(4.9)	(1.3)	(3.4)
Net cash provided from operating activities	440.4	274.9	14.7
INVESTING ACTIVITIES
Purchases of property, plant, equipment and software	(154.3)	(96.6)	(82.3)
Proceeds from disposals of property, plant and equipment and assets held for sale	1.4	0.7	0.0
Net cash used for investing activities	(152.9)	(95.9)	(82.3)
FINANCING ACTIVITIES
Credit agreement borrowings	0.0	62.5	183.7
Credit agreement repayments	0.0	(62.5)	(183.7)
Payments for debt issue costs	0.0	0.0	(1.9)
Dividends paid	(40.3)	(40.0)	(39.4)
Purchases of treasury stock	(101.9)	0.0	0.0
Proceeds from stock options exercised	13.4	40.9	5.0
Withholding tax payments on share-based compensation awards	(38.3)	(24.2)	(3.8)
Net cash used for financing activities	(167.1)	(23.3)	(40.1)
Effect of exchange rate changes on cash and cash equivalents	(4.0)	(1.1)	(2.0)
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	116.4	154.6	(109.7)
Cash and cash equivalents at beginning of year	199.1	44.5	154.2
Cash and cash equivalents at end of year	$ 315.5	$ 199.1	$ 44.5