Debt - Summary of Redemption Prices Expressed as Percentage (Detail)		12 Months Ended
	Dec. 01, 2019	Dec. 31, 2019
Debt Instrument Redemption [Line Items]
Optional redemption price expressed as percentage	35.00%
2021 [Member] | Senior Notes [Member]
Debt Instrument Redemption [Line Items]
Optional redemption price expressed as percentage		105.313%
2022 [Member] | Senior Notes [Member]
Debt Instrument Redemption [Line Items]
Optional redemption price expressed as percentage		102.656%
2023 and thereafter [Member] | Senior Notes [Member]
Debt Instrument Redemption [Line Items]
Optional redemption price expressed as percentage		100.00%