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Stock Incentive Plans and Stock Purchase Plan (Tables)

12 Months Ended

Dec. 31, 2014

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

Schedule of Weighted Average Grant-Date Fair Values

The activity related to the Company’s restricted and deferred stock awards and the corresponding weighted average grant-date fair values for the year ended December 31, 2014 are as follows:

		Number of Shares				Weighted Average Fair Value
Non-vested shares at January 1, 2014			1,519,976			$	37.78
Awarded			529,431			$	57.73
Forfeited			(33,569	)		$	42.19
Vested			(744,794	)		$	37.90
Non-vested shares at December 31, 2014			1,271,044			$	46.80

Schedule of Activity and Certain Other Information Related to Stock Option Awards

The activity and certain other information related to the Company’s outstanding stock option awards for the year ended December 31, 2014 are as follows:

		Number of Stock Options				Weighted Average Exercise Price				Weighted Average Remaining Contractual Term (in years)				Aggregate Intrinsic Value (in millions)
Outstanding at January 1, 2014			1,966,170			$	26.74
Exercised			(1,151,576	)		$	26.16							$	38.8
Forfeited			(500	)		$	27.72								—
Outstanding and exercisable at December 31, 2014			814,094			$	27.57				3.6			$	31.4

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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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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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