Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Additional Information (Detail)

v2.4.0.8
Summary of Significant Accounting Policies - Additional Information (Detail)
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Significant Accounting Policies [Line Items]        
Effective tax rate from continuing operations 39.70% 39.00% 39.00% 39.00%
Maximum [Member]
       
Significant Accounting Policies [Line Items]        
Expected effective tax rate for continuing operations Range 40.00%      
Minimum [Member]
       
Significant Accounting Policies [Line Items]        
Expected effective tax rate for continuing operations Range 38.00%