Immaterial Error Correction - Balance Sheet Adjustment (Details) - USD ($) $ in Millions	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Trade receivables and contract assets, net	$ 160.6			$ 141.7
Inventories	396.4			298.7
Prepaid and refundable income taxes	18.3			20.5
Total current assets	649.6			636.0
Deferred income tax assets	28.2			16.2
Total assets	944.6			905.8
Accounts payable	105.3			82.2
Other current liabilities	42.4			42.2
Total current liabilities	283.9			223.3
Total liabilities	316.5			254.5
Retained earnings	535.9			549.3
Shareholders' equity	627.7			650.8
Total equity	628.1	$ 643.9	$ 657.4	651.3	$ 660.4	$ 656.9	$ 645.3	$ 641.5
Total liabilities and equity	$ 944.6			905.8
As Previously Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Trade receivables and contract assets, net				144.1
Inventories				303.0
Prepaid and refundable income taxes				19.5
Total current assets				641.7
Deferred income tax assets				16.0
Total assets				911.3
Accounts payable				83.5
Other current liabilities				42.9
Total current liabilities				225.3
Total liabilities				256.5
Retained earnings				552.8
Shareholders' equity				654.3
Total equity				654.8	663.1	659.3	647.0	643.0
Total liabilities and equity				911.3
Adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Trade receivables and contract assets, net				(2.4)
Inventories				(4.3)
Prepaid and refundable income taxes				1.0
Total current assets				(5.7)
Deferred income tax assets				0.2
Total assets				(5.5)
Accounts payable				(1.3)
Other current liabilities				(0.7)
Total current liabilities				(2.0)
Total liabilities				(2.0)
Retained earnings				(3.5)
Shareholders' equity				(3.5)
Total equity				(3.5)	$ (2.7)	$ (2.4)	$ (1.7)	$ (1.5)
Total liabilities and equity				$ (5.5)