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Stock-Based Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2015

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

Schedule of stock option activity

Activity for our stock options outstanding is presented below:

(in thousands, except per average exercise price)	Number of Shares Under Option			Weighted Average Exercise Price
Balance as of December 31, 2012	201			$	36.30
Granted	—			$	—
Exercises	(7	)		$	42.94
Canceled/forfeited	(1	)		$	36.12
Balance as of December 31, 2013	193			$	36.04
Granted	—			$	—
Exercises	(182	)		$	35.26
Canceled/forfeited	(1	)		$	49.95
Balance as of December 31, 2014	10			$	48.63
Granted	—			$	—
Exercises	(1	)		$	49.95
Canceled/forfeited	—			$	—
Balance as of December 31, 2015	9			$	48.37

Disclosure of share based compensation award activity

The following table summarizes information about stock options outstanding on December 31, 2015:

(in thousands, except contractual life and per share data)	Shares Under Option			Remaining Contractual Life		Average Exercise Price Per Share				Intrinsic Value per Share(1)				Aggregate Intrinsic Value
Options exercisable and vested at December 31, 2015	9			2.3		$	48.37			$	93.12			$	800

(1) Computed based upon the amount by which the fair market value of our common stock on December 31, 2015 of $141.49 per share exceeded the weighted average exercise price.

Activity for awards made outside of share-based compensation plans

Activity for the ELTI Plan, the 2013 New Company LTIP, the 2007 Incentive Plan and awards made outside of stock-based compensation plans is presented below:

	Market Condition & Performance-Based Awards							Service Period Awards							Total
(in thousands, except grant date values)	Number of Shares			Weighted Average Grant Date Fair Value				Number of Shares			Weighted Average Grant Date Fair Value				Number of Shares			Weighted Average Grant Date Fair Value
Balance as of December 31, 2012	60			$	45.90			319			$	42.42			379			$	42.97
Granted	324			$	53.71			287			$	67.55			611			$	60.21
Vested	(60	)		$	45.90			(256	)		$	59.54			(316	)		$	53.90
Canceled/forfeited	—			$	—			(1	)		$	38.75			(1	)		$	38.75
Balance as of December 31, 2013	324			$	53.71			349			$	53.58			673			$	53.64
Granted	—			$	—			26			$	88.58			26			$	88.58
Vested	(239	)		$	53.49			(107	)		$	54.15			(346	)		$	53.70
Canceled/forfeited	—			$	—			(12	)		$	60.41			(12	)		$	60.41
Balance as of December 31, 2014	85			$	54.32			256			$	56.24			341			$	55.77
Granted	27			$	154.90			190			$	102.09			217			$	108.73
Vested	(85	)		$	48.31			(150	)		$	64.87			(235	)		$	58.91
Canceled/forfeited	—			$	—			(9	)		$	93.04			(9	)		$	93.04
Balance as of December 31, 2015	27			$	154.90			287			$	80.90			314			$	87.31

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Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901

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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 number and weighted-average grant date fair value for outstanding performance shares.

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

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