Including the current and noncurrent portions, carrying value as of the balance sheet date of a written promise to pay a note, initially due after one year or beyond the operating cycle if longer, which can be exchanged for a specified amount of one or more securities (typically common stock), at the option of the issuer or the holder.

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Debt - Convertible Notes - Additional Information (Detail) $ / shares in Units, $ in Millions				12 Months Ended
	Dec. 04, 2019 USD ($) $ / shares shares	Feb. 10, 2016 USD ($) shares	Dec. 03, 2015 USD ($) $ / shares	Dec. 31, 2021
Debt Instrument [Line Items]
Shares issued for convertible notes \| shares	8,114,977
Convertible Notes
Debt Instrument [Line Items]
Shares issued for convertible notes \| shares		4,344,959
Pre-petition secured debt claims			$ 2,500.0
Convertible notes		$ 750.0
Debt instrument, maturity date				Dec. 31, 2030
Convertible Notes \| Ordinary Shares
Debt Instrument [Line Items]
Convertible notes \| $ / shares	$ 95.60		$ 95.60
Outstanding principal amount converted to outstanding shares	$ 775.8
Outstanding principal amount converted to outstanding shares, conversion ratio	0.01046