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Incentive Plans (Tables)

12 Months Ended

Dec. 31, 2016

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Summary of stock option award activity

The following is a summary of stock option award activity for 2016:

		Shares			Weighted Average Exercise Price Per Share				Weighted Average Remaining Contractual Life		Aggregate Intrinsic Value
		(in thousands)							(in years)		(in thousands)
Outstanding - December 31, 2015		28			$	29.56
Granted		—			—
Exercised		(20	)		29.17
Canceled		—			—
Outstanding - December 31, 2016		8			$	30.59			4.5		$	315
Exercisable - December 31, 2016		8			$	30.59			4.5		$	315

Restricted Stock [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Summary of restricted stock awards activity

The following is a summary of restricted stock award activity for 2016:

		Shares			Weighted Average Grant Date Fair Value
		(in thousands)
Non-vested - December 31, 2015		618			$	37.98
Granted		236			52.66
Vested		(333	)		35.66
Canceled/Forfeited		(18	)		44.66
Non-vested - December 31, 2016		503			$	46.17

Long-Term Incentive Program Awards [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Summary of restricted stock awards activity

The following is a summary of LTIP award activity for 2016:

		Number of Performance Units at Target			Weighted Average Grant Date Fair Value				Maximum Shares Eligible to Receive
Unvested at December 31, 2015		100,900			$	52.80			201,800
Granted		133,380			58.42				224,861
Vested		—			—				—
Canceled		(2,550	)		52.80				(4,636	)
Unvested at December 31, 2016		231,730			$	56.04			422,025
Expected to vest		302,059

X

- Definition

Tabular disclosure of the changes in outstanding nonvested 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)(2)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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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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+ References

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