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Equity
 12 Months Ended
Dec. 31, 2013
Equity [Abstract]  
Equity
Equity
Treasury Stock and Share Activity
During the year ended December 31, 2011, the Company’s Board of Directors authorized a $150 million share repurchase plan. During the years December 31, 2012 and 2011, the Company repurchased 4.9 million shares and 4.6 million shares, respectively, of its common stock. The aggregate purchase price of the repurchased shares totaled $75.0 million in each of the years ended December 31, 2012 and 2011, which completed the plan. Repurchased shares are held in the Company's treasury and are recorded at cost.
Comprehensive Income
Comprehensive income is a measure of net income and all other changes in equity that result from transactions other than those with shareholders. Comprehensive income consists of net income, foreign currency translation adjustments, unrealized gains and losses from available-for-sale securities and net income (loss) attributable to non-controlling interests. See consolidated statements of comprehensive income for details.
Accumulated Other Comprehensive Loss
Changes in accumulated other comprehensive loss by component during the periods indicated are as follows (in thousands):
 
 
For the Years Ended December 31,
 
 
2013
 
2012
 
2011
 
 
Unrealized (Losses) Gains
 
Unrealized (Losses) Gains
 
Unrealized (Losses) Gains
 
 
Available-for-Sale Securities
 
Foreign Currency
 
Total
 
Available-for-Sale Securities
 
Foreign Currency
 
Total
 
Available-for-Sale Securities
 
Foreign Currency
 
Total
Balance as of January 1
 
$
(5,396
)
 
$
(105
)
 
$
(5,501
)
 
$
(5,917
)
 
$
(2,029
)
 
$
(7,946
)
 
$
(5,757
)
 
$
(399
)
 
$
(6,156
)
Activity before reclassifications, net of tax
 
337

 
(7,893
)
 
(7,556
)
 
521

 
1,924

 
2,445

 
(514
)
 
(1,630
)
 
(2,144
)
Reclassifications, net of tax (a)
 
(229
)
 
—

 
(229
)
 
—

 
—

 
—

 
354

 
—

 
354

Activity, net of tax
 
$
108

 
$
(7,893
)
 
$
(7,785
)
 
$
521

 
$
1,924

 
$
2,445

 
$
(160
)
 
$
(1,630
)
 
$
(1,790
)
Balance as of December 31
 
$
(5,288
)
 
$
(7,998
)
 
$
(13,286
)
 
$
(5,396
)
 
$
(105
)
 
$
(5,501
)
 
$
(5,917
)
 
$
(2,029
)
 
$
(7,946
)
(a) Represents the reclassification adjustment on securities sold, which was recognized as a component of other income. See Note 6 - Fair Value of Financial Instruments.
Foreign currency activity is primarily related to the Company's Canadian operations. The Company's Canadian presence has grown in recent years due to acquisitions. See Note 3 - Acquisitions.