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Acquisition - Additional Information (Detail) - USD ($)
$ in Thousands
12 Months Ended
Mar. 06, 2020
Aug. 02, 2019
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2019
Business Acquisition [Line Items]          
Purcahse price of acquisition       $ 699,361  
Income tax expense (benefit)     $ 89,946 24,504 $ 60,272
Kosmos Acquisition [Member]          
Business Acquisition [Line Items]          
Date of acquisition of business Mar. 06, 2020        
Purcahse price of acquisition $ 668,900        
Depreciation and amortization     21,700 1,800  
Inventories     3,700 $ 1,700  
Nonrecurring charges     5,600    
Income tax expense (benefit)     $ 31,700    
ConAgg Acquisition [Member]          
Business Acquisition [Line Items]          
Date of acquisition of business   Aug. 02, 2019      
Purcahse price of acquisition   $ 30,400