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Allowed additions for other cash charges to be included in the total allowable add backs.

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Consolidated leverage ratio.

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Maximum consolidated leverage ratio.

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Maximum consolidated leverage ratio on effect of litigation settlement.

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Minimum required consolidated leverage ratio to trigger increment in interest rate.

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No definition available.

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Possible increment in interest rate upon reach of minimum required consolidated leverage ratio to trigger increment in elevated interest rate

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No definition available.

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Possible increment in previous interest rate upon reach of minimum required consolidated leverage ratio to trigger increment in elevated interest rate.

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No definition available.

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Face (par) amount of debt instrument at time of issuance.

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Incremental percentage increase (decrease) in the stated rate on a debt instrument.

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No definition available.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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For a debtor, the aggregate gain (loss) recognized on the restructuring of payables arises from the difference between the book value of the debt before the restructuring and the fair value of the payments on the debt after restructuring is complete.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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DEBT - Additional Information (Detail) - USD ($)			3 Months Ended				12 Months Ended	15 Months Ended
DEBT - Additional Information (Detail) - USD ($)	Dec. 19, 2018	Mar. 23, 2018	Mar. 31, 2020	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Dec. 31, 2018	Mar. 31, 2020	Nov. 17, 2017
Debt Instrument [Line Items]
Minimum consolidated leverage ratio to trigger increase in interest rate				375.00%			375.00%
Maximum consolidated leverage ratio possible on Settlement				400.00%			400.00%
Consolidated leverage ratio, current	400.00%			350.00%			350.00%
Debt modification costs							$ 2,800,000
Scenario, Forecast
Debt Instrument [Line Items]
Consolidated leverage ratio, current			375.00%
Maximum
Debt Instrument [Line Items]
Allowed additions for business transformation, operational optimization, litigation matters and other cash charges for debt covenant compliance calculation	$ 200,000,000	$ 200,000,000
Allowed additions for other cash charges to be included in total allowable add backs							$ 90,000,000
Maximum \| Scenario, Forecast
Debt Instrument [Line Items]
Allowed additions for other cash charges to be included in total allowable add backs								$ 90,000,000
Senior credit facility
Debt Instrument [Line Items]
Increase in interest rate					0.25%
Term Loan Facility
Debt Instrument [Line Items]
Maximum borrowing capacity of line of credit facility									$ 950,000,000
Revolving credit facility
Debt Instrument [Line Items]
Maximum borrowing capacity of line of credit facility									$ 1,200,000,000
Private placement notes
Debt Instrument [Line Items]
Increase in interest rate				0.25%		0.50%
Allowable increment in elevated interest rate on consolidated leverage ratio				0.50%			0.50%
Private placement notes \| $125 million private placement notes 2.68%, due in 2019
Debt Instrument [Line Items]
Private placement of long-term note				$ 125,000,000			$ 125,000,000
Private placement notes \| BBB+ or better by S&P
Debt Instrument [Line Items]
Allowable increment in previous base interest rate on consolidated leverage elevated ratio exceeds 3.75				0.50%			0.50%
Private placement notes \| BBB by S&P
Debt Instrument [Line Items]
Allowable increment in previous base interest rate on consolidated leverage elevated ratio exceeds 3.75				0.75%			0.75%
Private placement notes \| BBB- by S&P
Debt Instrument [Line Items]
Allowable increment in previous base interest rate on consolidated leverage elevated ratio exceeds 3.75				1.25%			1.25%
Private placement notes \| BB+ or worse by S&P
Debt Instrument [Line Items]
Allowable increment in previous base interest rate on consolidated leverage elevated ratio exceeds 3.75				2.00%			2.00%