Immaterial Error Correction - Balance Sheet Adjustment (Details) - USD ($) $ in Millions	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 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	$ 160.1		$ 141.7
Inventories	371.1		298.7
Prepaid and refundable income taxes	18.3		20.5
Total current assets	661.5		636.0
Deferred income tax assets	23.8		16.2
Total assets	949.9		905.8
Accounts payable	104.3		82.2
Other current liabilities	45.1		42.2
Total current liabilities	273.4		223.3
Total liabilities	306.0		254.5
Retained earnings	544.0		549.3
Shareholders' equity	643.3		650.8
Total equity	643.9	$ 657.4	651.3	$ 656.9	$ 645.3	$ 641.5
Total liabilities and equity	$ 949.9		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	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)	$ (2.4)	$ (1.7)	$ (1.5)
Total liabilities and equity			$ (5.5)