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Stock-Based Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2015

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Schedule of Non-Vested Restricted Stock Activity

The following table summarizes the non-vested restricted stock activity for the year ended December 31, 2015:

					Weighted
					Average
					Grant Date
Non-vested restricted stock	Shares				Fair Value
Non-vested January 1, 2015		728,670			$	35.81
Granted		338,531			$	37.60
Vested	(232,466)				$	34.49
Forfeited	(138,638)				$	36.33
Non-vested at December 31, 2015		696,097			$	37.02

Schedule of Restricted Stock Granted

The following table summarizes the restricted stock granted during the respective years:

Restricted stock grants	2015				2014				2013
Employees		316,531				273,910				280,900
Outside directors		22,000				20,000				20,000
Total		338,531				293,910				300,900
Weighted average grant date fair value	$	37.60			$	39.66			$	34.64
Vesting period	3-5 years				3-5 years				3-5 years

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

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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.

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