Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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-Name Accounting Standards Codification
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Name:	us-gaap_RestructuringCharges
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Restructuring Activities - Narratives (Details) $ in Millions	3 Months Ended	12 Months Ended
	Jun. 30, 2019 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($) segment	Sep. 30, 2020 a
Restructuring Cost and Reserve
Restructuring charges		$ 3.5	$ 13.6	$ 15.6
Number of reportable segments \| segment				4
Lease Facility in Tulsa Oklahoma
Restructuring Cost and Reserve
Area of land (acres) \| a					260
Lease Facility in Tulsa Oklahoma \| Facility Closing
Restructuring Cost and Reserve
Restructuring charges			2.7
Repair, Service & Leasing \| Operating Segments
Restructuring Cost and Reserve
Restructuring charges	$ (1.6)	$ 1.5	$ 0.2	$ 1.5