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Goodwill, Identifiable Intangible Assets, and Other Long-Lived Assets (Details)
$ in Millions
3 Months Ended
Jun. 30, 2020
USD ($)
Goodwill and Intangible Assets [Line Items]  
Non-cash expense for impairment of intangible and tangible assets, excluding goodwill $ 7.3
United States Industrial Services [Member]  
Goodwill and Intangible Assets [Line Items]  
Non-cash goodwill impairment charge $ 225.5