Stock-Based and Other Long-Term Incentive Compensation (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	9 Months Ended
	Jun. 30, 2023	Sep. 30, 2023	Mar. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vested stock options outstanding (in shares)		1,200,000
Vested stock options, weighted average exercise price (in dollars per share)		$ 6.88
Vested stock options, weighted average remaining contractual life		2 years
Performance-based Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	3 years
Allocated share-based compensation expense	$ 2.5
Share based payment arrangement settlement based on total shareholder return	1.8
Return on net capital employed	$ 0.7
Time-based Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of outstanding stock, minimum	0.00%
Percentage of outstanding stock, maximum	200.00%
The 2015 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares)	16,500,000		15,300,000
The 2015 Plan | Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares)	1,700,000
Award vesting period	3 years
Nonvested restricted stock units outstanding (in shares)		3,400,000
Shares available for grant (in shares)		2,500,000
The 2015 Plan | Restricted Stock Units | Executive Officer And Key Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant-date fair value (in dollars per share)	$ 3.89
The 2015 Plan | Restricted Stock | Executive Officer And Key Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity-based compensation (in shares)	200,000
Weighted average grant-date fair value (in dollars per share)	$ 3.89
The 2014 Director Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares)	2,000,000		1,400,000
Shares available for grant (in shares)		500,000