v3.26.1
Stock-Based Compensation (Tables)
 6 Months Ended
Mar. 31, 2026
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock-Based Compensation Expense
Total stock-based compensation expense for the three and six months ended March 31, 2026 and 2025 and the respective income tax benefits recognized by the Company in the Condensed Consolidated Statements of Income are as follows:
 Three months ended March 31,Six months ended March 31,
2026202520262025
Cost of products sold$0.9 $0.6 $1.7 $1.2 
Selling and administrative expense4.7 4.7 9.7 12.1 
Research and development expense0.1 0.1 0.2 0.2 
Other operating expense, net— 1.9 — 2.8 
Total Stock-Based Compensation Expense$5.7 $7.3 $11.6 $16.3 
Tax benefit associated with stock-based compensation costs recognized$0.7 $1.0 $1.5 $2.0 
The following table summarizes the Company's total stock-based compensation expense by classification of award for the three and six months ended March 31, 2026 and 2025:
Three months ended March 31,Six Months Ended March 31,
2026202520262025
Equity Awards$5.7 $7.3 $11.6 $16.2 
Liability Awards— — — 0.1 
Total$5.7 $7.3 $11.6 $16.3 
The following table summarizes the Company's total stock-based compensation expense by award type for the three and six months ended March 31, 2026 and 2025:
Three months ended March 31,Six Months Ended March 31,
2026202520262025
Time-Vested Restricted Stock Units (TVUs)
$4.9 $6.2 $9.9 $11.8 
Performance-Based Restricted Stock Units (PSUs)
0.7 0.4 1.3 3.3 
Stock Appreciation Rights (SARs)
0.1 0.7 0.4 1.2 
Total$5.7 $7.3 $11.6 $16.3 
Schedule of Time-Vested Restricted Stock Units Outstanding
A summary of TVUs outstanding as of March 31, 2026 and changes during the six months ended March 31, 2026 are as follows:
TVUs (in thousands)Weighted Average Grant Date Fair Value
Nonvested at October 12,055.4 $18.97 
Granted*2,052.0 12.37 
Distributed**(953.9)19.67 
Forfeited, canceled or expired(181.5)15.41 
Nonvested at March 312,972.0 $14.44 
Expected to vest at March 312,808.9 $14.44 
*Includes accumulated nonvested dividend equivalents
**The TVUs distributed include shares withheld for taxes that are not formally issued to the market.
Schedule of Performance Based Restricted Stock Units Outstanding
A summary of PSUs outstanding as of March 31, 2026 and changes during the six months ended March 31, 2026 are as follows:
Stock Units (in thousands)Weighted Average Grant Date Fair Value
Nonvested at October 1272.8 $22.63 
Granted*1,292.9 11.80 
Distributed
(285.3)18.80 
Forfeited, canceled or expired(67.0)10.86 
Nonvested at March 311,213.4 $10.97 
Expected to vest at March 311,146.6 $11.79 
*Includes accumulated nonvested dividend equivalents
Schedule of SAR's Outstanding and Changes
A summary of stock appreciation rights ("SARs") outstanding as of March 31, 2026 and changes during the six months ended March 31, 2026 are as follows:
SARs (in thousands)Weighted Average Exercise PriceWeighted Average Remaining Contractual Term (Years)Aggregate Intrinsic Value
Balance at October 11,443.3 $29.23 
Forfeited, canceled or expired(17.8)16.97 
Balance at March 311,425.5 $29.39 5.4$— 
Vested and expected to vest at March 311,423.7 29.39 5.4$— 
Exercisable at March 311,392.5 $29.34 5.3$— 
*The amounts exercised include shares withheld for taxes that are not formally issued to the market.