Segment Information, Geographic and Product Data (Tables)

12 Months Ended

Jun. 30, 2025

Segment Reporting [Abstract]

Schedule of Results of Operation, Depreciation and Amortization, Capital Expenditures and Total Assets by Reportable Segments

Net sales and operating income by segment for the years ended June 30, 2025, 2024 and 2023 are provided below. See Note 4 Revenue for comparative information of the Company's overall revenue by segment, end-use market and geographical location. Further disaggregation of revenue is impracticable.

	Year Ended June 30, 2025						Year Ended June 30, 2024						Year Ended June 30, 2023
($ in millions)	SAO		PEP		Total		SAO		PEP		Total		SAO		PEP		Total
Sales to external customers	$	2,548.7	$	328.4	$	2,877.1	$	2,432.8	$	326.9	$	2,759.7	$	2,201.5	$	348.8	$	2,550.3
Intersegment sales	14.9		77.0		91.9		11.0		84.1		95.1		12.1		84.9		97.0
Total sales	2,563.6		405.4		2,969.0		2,443.8		411.0		2,854.8		2,213.6		433.7		2,647.3
Reconciliation of sales
Elimination of intersegment					(91.9)						(95.1)						(97.0)
Consolidated net sales					$	2,877.1					$	2,759.7					$	2,550.3
Less: (a)
Cost of sales	1,855.8		344.0		2,199.8		1,923.0		349.5		2,272.5		1,934.9		373.0		2,307.9
Other segment items (b)	119.2		24.4		143.6		112.3		25.5		137.8		99.6		28.9		128.5
Segment operating income	588.6		37.0		625.6		408.5		36.0		444.5		179.1		31.8		210.9
Reconciliation of operating income
Corporate costs					(102.9)						(123.0)						(75.5)
Elimination of intersegment					(0.9)						1.6						(2.3)
Consolidated operating income					$	521.8					$	323.1					$	133.1
Other items:
Interest expense, net					48.4						51.0						54.1
Other expense, net					6.1						60.5						6.5
Income before income taxes					$	467.3					$	211.6					$	72.5

(a)    The significant expense categories and amounts align with the segment-level information that is regularly provided to the CODM. Intersegment expenses are included within the amounts shown.

(b)    Other segment items for each reportable segment include selling, general and administrative expenses.

Additional data by segment for the years ended June 30, 2025, 2024 and 2023 is as follows:

Depreciation and Amortization	Years Ended June 30,
($ in millions)	2025		2024		2023
Specialty Alloys Operations	$	117.3	$	113.3	$	110.0
Performance Engineered Products	16.5		16.3		15.6
Corporate	5.4		5.0		5.4
Consolidated depreciation and amortization	$	139.2	$	134.6	$	131.0
Capital Expenditures	Years Ended June 30,
($ in millions)	2025		2024		2023
Specialty Alloys Operations	$	135.9	$	80.0	$	70.2
Performance Engineered Products	15.0		13.2		10.1
Corporate	3.4		3.4		2.0
Consolidated capital expenditures	$	154.3	$	96.6	$	82.3
Total Assets			June 30,
($ in millions)			2025		2024
Specialty Alloys Operations			$	2,649.3	$	2,542.2
Performance Engineered Products			413.5		431.5
Total segment assets			3,062.8		2,973.7
Corporate			433.2		334.8
Intersegment			(9.2)		(16.8)
Consolidated total assets			$	3,486.8	$	3,291.7

Schedule of Net Sales by Geographic Segment

Geographic Location
Net Sales (a)	Years Ended June 30,
($ in millions)	2025		2024		2023
United States	$	1,699.9	$	1,623.0	$	1,556.2
Europe	596.2		503.8		437.3
Asia Pacific	344.4		391.3		319.5
Mexico	121.5		120.1		124.0
Canada	61.2		70.1		60.1
Other	53.9		51.4		53.2
Consolidated net sales	$	2,877.1	$	2,759.7	$	2,550.3

(a)     Net sales are attributed to geographic region based on the location of the customer.

Schedule of Long-Lived Assets by Geographic Segment

Long-lived Assets (a)	June 30,
($ in millions)	2025		2024
United States	$	1,354.4	$	1,330.0
Europe	3.0		3.0
Mexico	1.2		1.3
Asia Pacific	0.4		0.5
Canada	0.4		0.4
Consolidated long-lived assets	$	1,359.4	$	1,335.2

(a)     Long-lived assets consists primarily of property, plant, equipment and software, net.