Fair Value Measurements (Narrative) (Detail)	Dec. 31, 2019	Dec. 31, 2018
Senior Notes 6.75
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate	6.75%
Trading prices rate to calculate the fair value	106650.00%
Term Loan Due 2026
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading prices rate to calculate the fair value	100950.00%
Term Loan Due 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading prices rate to calculate the fair value		95.13%