Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Fair Value and Carrying Value of Significant Fixed Rate Long-Term Debt (Parenthetical) (Detail)

v3.7.0.1
Fair Value Measurements - Fair Value and Carrying Value of Significant Fixed Rate Long-Term Debt (Parenthetical) (Detail)
Mar. 31, 2017
Mar. 10, 2017
Dec. 31, 2016
May 09, 2013
Jul. 02, 2012
7.0% Senior Subordinated Notes Due 2022 [Member]          
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]          
Stated interest rate on debt agreement 7.00%   7.00%   7.00%
5.0% Senior Subordinated Notes due 2023 [Member]          
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]          
Stated interest rate on debt agreement 5.00%   5.00% 5.00%  
6.125% Senior Subordinated Notes due 2027 [Member]          
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]          
Stated interest rate on debt agreement 6.125% 6.125% 6.125%