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TAXATION (Detail) - Reconciliation of the difference between the provision for income taxes and the expected tax provision at the weighted average tax rate (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Expected tax provision at weighted average rate $ (66,493) $ 80,225 $ 129,136
Permanent differences:      
Non-taxable investment income (loss) (14,246) (10,176) (5,715)
Non-taxable income (loss) (3,265) 3,838 (91,968)
Prior year adjustments (9,206) 16,594 (15,360)
State, local and foreign taxes 42,581 44,122 59,835
Valuation allowance 24,990 1,346 11,439
Allocated investment income 21,483 12,386 20,045
Stock options 5,840 3,323 6,222
Non-deductible expenses 12,901 11,079 6,673
Non-deductible goodwill impairment 57,069 0 0
Non-taxable reserve release (11,947) 0 0
Total tax expense $ 59,707 $ 162,737 $ 120,307