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Accounts and Notes Receivable - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended
Jun. 30, 2019
Mar. 31, 2019
Receivables [Abstract]    
Allowance for doubtful accounts $ 11.6 $ 9.9
Notes Receivable, total 3.4  
Notes Receivable, current $ 0.7  
Notes Receivable interest rate 4.50%  
Notes Receivable, maturity description Remaining unpaid amounts, plus accrued interest, mature in fiscal 2025.