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Property, Plant and Equipment - Narrative (Detail) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Property Plant And Equipment [Abstract]    
Depreciation expense $ 23.4 $ 28.2
Building and related land sales, non-refundable deposit received 123.3  
Gross proceeds expected from sale including non-refundable deposits $ 250.0  
Entitled to retain percentage of purchase price in liquidation damages 30.00%