Basis of Presentation - Summary of Preliminary Fair Values of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions	Jun. 30, 2022	Jun. 13, 2022	Dec. 31, 2021
Assets Acquired:
Goodwill	$ 1,043.0		$ 1,049.0
Maxi-Metal
Assets Acquired:
Current assets, excluding cash of $1.7		$ 7.5
Property, plant and equipment		1.6
Goodwill		8.9
Purchased intangible assets		3.8
Total assets		21.8
Liabilities Assumed:
Current liabilities		2.0
Long-term liabilities		0.1
Total liabilities		2.1
Net assets acquired		$ 19.7