XML 106 R75.htm IDEA: XBRL DOCUMENT v3.3.1.900
Stock-Based Compensation (Detail) - shares
12 Months Ended
Dec. 31, 2015
Apr. 28, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Common stock, shares reserved for future issuance 5,423,000  
2015 Long-Term Incentive Plan    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of shares authorized   4,800,000
Reduction in number of shares available for issuance due to settlement of stock appreciation rights and stock unit or performance unit award 2  
Reduction in number of shares available for issuance due to settlement of stock option award 1  
Shares available for issuance 4,500,000  
Maximum aggregate shares of common stock subject to stock options, appreciation rights, restricted stock or performance stock unit awards 1,000,000.0  
Stock Options [Member] | 2015 Long-Term Incentive Plan    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected life (years) 7 years  
Stock Options [Member] | Minimum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting period 3 years  
Stock Options [Member] | Maximum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting period 4 years