Accumulated Other Comprehensive Income (Loss) (AOCI) (Components of Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands |
3 Months Ended |
|
Mar. 31, 2016 |
Mar. 31, 2015 |
Dec. 31, 2015 |
| Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
| Accumulated other comprehensive income (loss) including non-controlling interest, Beginning Balance |
$ (239,000)
|
|
|
| Change in unrealized gains (losses) on securities |
51,893
|
|
|
| Change in foreign currency translation adjustment |
12,104
|
|
|
| Amortization of net actuarial loss |
7,037
|
|
|
| Amortization of prior service cost |
(1,211)
|
|
|
| Tax effect |
(22,296)
|
$ (13,900)
|
|
| Accumulated other comprehensive income (loss) including non-controlling interest, Ending Balance |
(191,473)
|
|
|
| Accumulated other comprehensive loss |
(191,522)
|
|
$ (239,003)
|
| Allocated to noncontrolling interests |
49
|
|
|
| Unrealized Gains (Losses) on Securities |
|
|
|
| Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
| Accumulated other comprehensive income (loss) including non-controlling interest, Beginning Balance |
(16,401)
|
|
|
| Change in unrealized gains (losses) on securities |
51,893
|
|
|
| Tax effect |
(20,066)
|
(11,049)
|
|
| Accumulated other comprehensive income (loss) including non-controlling interest, Ending Balance |
15,426
|
|
|
| Accumulated other comprehensive loss |
15,377
|
|
|
| Allocated to noncontrolling interests |
49
|
|
|
| Foreign Currency Translation Adjustment |
|
|
|
| Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
| Accumulated other comprehensive income (loss) including non-controlling interest, Beginning Balance |
(57,242)
|
|
|
| Change in foreign currency translation adjustment |
12,104
|
|
|
| Accumulated other comprehensive income (loss) including non-controlling interest, Ending Balance |
(45,138)
|
|
|
| Accumulated other comprehensive loss |
(45,138)
|
|
|
| Pension Benefit Adjustment |
|
|
|
| Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
| Accumulated other comprehensive income (loss) including non-controlling interest, Beginning Balance |
(165,357)
|
|
|
| Amortization of net actuarial loss |
7,037
|
|
|
| Amortization of prior service cost |
(1,211)
|
|
|
| Tax effect |
(2,230)
|
$ (2,851)
|
|
| Accumulated other comprehensive income (loss) including non-controlling interest, Ending Balance |
(161,761)
|
|
|
| Accumulated other comprehensive loss |
$ (161,761)
|
|
|