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Share-Based Payments (Tables)

12 Months Ended

Dec. 31, 2012

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of Stock Option Transactions under our Share- Based Payment Plants

		Number of Shares			Weighted Average Exercise Price				Weighted Average Remaining Contractual Life in Years		Aggregate Intrinsic Value ($ in thousands)
Outstanding at December 31, 2011		1,239,687			$	18.78
Granted 2012		—			—
Exercised 2012		118,012			12.16
Forfeited or expired 2012		24,921			24.06
Outstanding at December 31, 2012		1,096,754			$	19.36			4.59		$	2,598
Exercisable at December 31, 2012		1,062,409			$	19.48			4.50		$	2,469

Summary of Restricted Stock Units Transactions under our Share-Based Payment Plans

		Number of Shares			Weighted Average Grant Date Fair Value
Unvested RSU awards at December 31, 2011		1,283,520			$	15.45
Granted 2012		399,326			17.62
Vested 2012		472,363			14.59
Forfeited 2012		73,113			15.97
Unvested RSU awards at December 31, 2012		1,137,370			$	16.54

Weighted Average Assumptions for Employee Stock Purchase Plan and Other Options

		ESPP							All Other Option Plans
		2012			2011		2010		2012		2011		2010
Risk-free interest rate		0.12	%		0.13		0.20		—		—		2.30
Expected term		6 months			6 months		6 months		0		0		5 years
Dividend yield		2.9	%		3.0		3.3		—		—		3.3
Expected volatility		24	%		19		28		—		—		34

Weighted-Average Fair Value of Options and Stock Per Share

		2012				2011			2010
Stock options		$	—			—			3.83
RSUs		17.62				17.17			14.69
Directors’ stock compensation plan		—				—			16.09
ESPP:
Six month option		1.05				0.76			1.03
15% of grant date market value		2.70				2.62			2.35
Total ESPP		3.75				3.38			3.38
Agent Plan:
Discount of grant date market value		1.76				1.62			1.59

X

- Definition

Tabular disclosure of the significant assumptions used during the year to estimate the fair value of employee stock purchase plans and all other option 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.

+ References

No definition available.

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- Definition

Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and 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.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Tabular disclosure of the weighted-average grant-date fair value of equity options or other equity instruments granted during the year.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (d)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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