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Stock-based Compensation Plans (Tables)

9 Months Ended

Sep. 30, 2013

Stock Based Compensation Expense by Operating Expense

Stock-based compensation expense was included in the following operating expense categories as follows (in thousands):

		Nine months ended September 30,								Three months ended September 30,
		2012				2013				2012				2013
Service costs		$	1,545			$	818			$	554			$	455
Sales and marketing			2,008				474				153				211
Product development			860				1,127				203				361
General and administrative			7,982				4,456				2,792				1,338
Total stock-based compensation		$	12,395			$	6,875			$	3,702			$	2,365
Income tax benefit related to stock-based compensation included in net income (loss)		$	3,750			$	1,937			$	1,088			$	686

Assumptions to Estimate Fair Value for Stock Options at Grant Date

The following weighted average assumptions were used in determining the fair value of time-vested stock option grants for the periods presented:

		Nine months ended September 30,								Three months ended September 30,
		2012				2013				2012				2013
Expected life (in years)			4.0-6.25				4.0-6.25				4.0				4.0-6.25
Risk-free interest rate			0.60	%			1.09	%			0.47	%			1.52	%
Expected volatility			70	%			56	%			69	%			61	%
Expected dividend yield			2.00	%			1.74	%			3.11	%			1.00	%

Summary of Stock Option Activity

Stock option activity during the nine months ended September 30, 2013 is summarized as follows:

		Shares				Weighted average exercise price				Weighted average remaining contractual term (in years)				Aggregate intrinsic value
Balance at December 31, 2012			7,029,360			$	7.67				6.28			$	506
Options granted			1,729,922				4.97
Options forfeited			(269,792	)			5.64
Options expired			(630,903	)			5.82
Options exercised			(206,299	)			5.12
Balance at September 30, 2013			7,652,288			$	7.35				6.72			$	11,392

Summary of Restricted Stock Awards and Restricted Stock Units

Restricted stock awards and restricted stock units activity during the nine months ended September 30, 2013 is summarized as follows:

		Shares/ Units				Weighted average grant date fair value
Unvested balance at December 31, 2012			2,563,511			$	5.12
Granted			1,093,724				4.20
Vested			(559,505	)			4.13
Forfeited			(187,136	)			4.90
Unvested balance at September 30, 2013			2,910,594			$	4.98

X

- Definition

Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

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-Name Staff Accounting Bulletin (SAB)

-Number Topic 14

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- Definition

Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.

+ References

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- Definition

Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.

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- Definition

Tabular disclosure of the significant assumptions used during the year to estimate the fair value of employee stock purchase plans, including, but not limited to: (a) expected term, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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