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Other comprehensive (loss) earnings
 9 Months Ended
Sep. 30, 2014
Equity [Abstract]  
Other comprehensive (loss) earnings
Other comprehensive (loss) earnings. Changes in the balances of each component of other comprehensive (loss) earnings are as follows:

 
For the Three Months Ended 
 September 30, 2014
 
For the Three Months Ended 
 September 30, 2013
 
Before-Tax Amount
Tax Expense (Benefit)
Net-of-Tax Amount
 
Before-Tax Amount
Tax Expense (Benefit)
Net-of-Tax Amount
 
($000 omitted)
 
($000 omitted)
Foreign currency translation adjustments
(8,257
)
(2,227
)
(6,030
)
 
4,587

1,027

3,560

Unrealized (losses) gains on investments:
 
 
 
 
 
 
 
Change in unrealized (losses) gains on investments
(1,487
)
(521
)
(966
)
 
1,981

694

1,287

  Less: reclassification adjustment for gains included in net earnings
(283
)
(98
)
(185
)
 
(520
)
(182
)
(338
)
  Net unrealized (losses) gains
(1,770
)
(619
)
(1,151
)
 
1,461

512

949

 
 
 
 
 
 
 
 
Other comprehensive (loss) earnings
(10,027
)
(2,846
)
(7,181
)
 
6,048

1,539

4,509

 
 
 
 
 
 
 
 
 
For the Nine Months Ended 
 September 30, 2014
 
For the Nine Months Ended 
 September 30, 2013
 
Before-Tax Amount
Tax Expense (Benefit)
Net-of-Tax Amount
 
Before-Tax Amount
Tax Expense (Benefit)
Net-of-Tax Amount
 
($000 omitted)
 
($000 omitted)
Foreign currency translation adjustments
(6,359
)
(2,051
)
(4,308
)
 
(5,247
)
(1,605
)
(3,642
)
Unrealized gains (losses) on investments:
 
 
 
 
 
 
 
Change in unrealized gains (losses) on investments
10,616

3,716

6,900

 
(10,851
)
(3,798
)
(7,053
)
  Less: reclassification adjustment for gains included in net earnings
(581
)
(203
)
(378
)
 
(2,421
)
(847
)
(1,574
)
  Net unrealized gains (losses)
10,035

3,513

6,522

 
(13,272
)
(4,645
)
(8,627
)
 
 
 
 
 
 
 
 
Other comprehensive earnings (loss)
3,676

1,462

2,214

 
(18,519
)
(6,250
)
(12,269
)