Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies - Effects of Prior Period Errors in Condensed Consolidated Statement of Cash Flows (Detail)

v2.4.0.8
Significant Accounting Policies - Effects of Prior Period Errors in Condensed Consolidated Statement of Cash Flows (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
Deferred income taxes     (7,532) (8,249)
Income taxes     (13,313) 29,118
As Previously Reported [Member]
       
Net income   117,779   359,309
Deferred income taxes       (9,246)
Income taxes       $ 22,561