Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies - Effects of Prior Period Errors in Condensed Consolidated Statements of Comprehensive Income (Detail)

v2.4.0.8
Significant Accounting Policies - Effects of Prior Period Errors in Condensed Consolidated Statements of Comprehensive Income (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Net income $ 141,950 $ 111,873 $ 403,985 $ 351,755
Total comprehensive income 158,862 118,175 408,309 352,939
As Previously Reported [Member]
       
Net income   117,779   359,309
Total comprehensive income   $ 124,081   $ 360,493