Annual report pursuant to Section 13 and 15(d)

Long-Term Debt - Redemption Price, Percentage (Detail)

v3.3.1.900
Long-Term Debt - Redemption Price, Percentage (Detail)
 12 Months Ended
Dec. 31, 2015
7.0% Senior Subordinated Notes Due 2022 [Member] | Beginning on July 15, 2017 [Member]  
Debt Instrument Redemption [Line Items]  
Redemption Price 103.50%
7.0% Senior Subordinated Notes Due 2022 [Member] | Beginning on July 15, 2018 [Member]  
Debt Instrument Redemption [Line Items]  
Redemption Price 102.333%
7.0% Senior Subordinated Notes Due 2022 [Member] | Beginning on July 15, 2019 [Member]  
Debt Instrument Redemption [Line Items]  
Redemption Price 101.167%
7.0% Senior Subordinated Notes Due 2022 [Member] | Beginning on July 15, 2020 and Thereafter [Member]  
Debt Instrument Redemption [Line Items]  
Redemption Price 100.00%
5.0% Senior Subordinated Notes due 2023 [Member] | Beginning on May 15, 2018 [Member]  
Debt Instrument Redemption [Line Items]  
Redemption Price 102.50%
5.0% Senior Subordinated Notes due 2023 [Member] | Beginning on May 15, 2019 [Member]  
Debt Instrument Redemption [Line Items]  
Redemption Price 101.667%
5.0% Senior Subordinated Notes due 2023 [Member] | Beginning on May 15, 2020 [Member]  
Debt Instrument Redemption [Line Items]  
Redemption Price 100.833%
5.0% Senior Subordinated Notes due 2023 [Member] | Beginning on May 15, 2021 and Thereafter [Member]  
Debt Instrument Redemption [Line Items]  
Redemption Price 100.00%