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Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2014

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

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

The following summarizes the stock option activity for the nine months ended September 30, 2014:

		Options			Weighted-Average Exercise Price
Outstanding at January 1, 2014			1,147,320		$	13.21
Exercised			(81,027)		$	5.56
Forfeited			(957)		$	22.16
Outstanding at September 30, 2014			1,065,336		$	13.78

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

The following summarizes restricted stock activity for the nine months ended September 30, 2014:

		Shares			Weighted-Average Grant Date Fair Value
Outstanding at January 1, 2014			211,716		$	21.33
Granted			82,351		$	24.46
Vested			(64,657)		$	20.85
Forfeited			(1,512)		$	22.55
Outstanding at September 30, 2014			227,898		$	22.59

Schedule of Nonvested Performance-based Units Activity [Table Text Block]

The following summarizes the performance share activity at target and as of September 30, 2014:

		Shares			Weighted-Average Grant Date Fair Value
Outstanding at January 1, 2014			87,194		$	21.29
Granted at target			85,078		$	27.69
Forfeited			(1,419)		$	23.55
Outstanding at September 30, 2014			170,853		$	24.46

Share-based Compensation, Performance Shares Award Outstanding Activity [Table Text Block]

The following summarizes the performance shares awarded at target outstanding by performance measure as of September 30, 2014.

		Performance
		Shares
Shares with ROE measures			86,381
Shares with ROIC measures			42,236
Shares with TSR measures			42,236
			170,853

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Tabular disclosure of the changes in outstanding nonvested performance-based units.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

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Tabular disclosure of the changes in outstanding nonvested restricted stock units.

+ 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)

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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)

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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)

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