XML 64 R47.htm IDEA: XBRL DOCUMENT v3.8.0.1

Stock Option Plans and Restricted Stock Awards (Tables)

12 Months Ended

Dec. 31, 2017

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

Estimated Fair Value of Stock Options

The fair value of each stock option granted in 2017, 2016 and 2015, was estimated on the date of grant using the following weighted-average assumptions.

		For the Year Ended December 31,
		2017				2016				2015
Dividend yield			2.2%				2.9%				2.5%
Volatility			29.6%				33.1%				47.7%
Risk-free interest rate			1.8%				1.2%				1.5%
Expected life			5.6 years				5.6 years				6.1 years
Weighted average grant date fair value			$5.17				$3.96				$5.83

Option Activity under Company's Stock Option Plans

The following table presents option activity under the Company’s stock option plans as of and for the year ended December 31, 2017.

		Number of Stock Options Outstanding				Weighted Average Exercise Price				Weighted Average Remaining Contractual Term				Aggregate Intrinsic Value
		(In thousands)								(In years)				(In thousands)
Outstanding at January 1, 2017			876				$            11.88
Granted			12				21.99
Exercised			(283)				9.48
Forfeited or expired			(17)				15.69
Outstanding at December 31, 2017			588				$            13.12				5.17				$    6,137
Vested or expected to vest at December 31, 2017			560				$            12.96				5.03				$    5,942
Exercisable at December 31, 2017			383				$            11.46				3.90				$    4,640

Summary of Status of Company's Non-Vested Restricted Shares

The table below summarizes activity related to the Company’s non-vested restricted shares for the year ended December 31, 2017.

		Shares				Weighted Average Fair Value
		(In thousands)
Nonvested at January 1, 2017			460				$        15.43
Granted			73				21.59
Vested			(150)				14.98
Forfeited			(7)				14.49
Nonvested at December 31, 2017			376				$        16.82

X

- References

No definition available.

+ Details

Name:	us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited 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=96867065&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

+ 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)
-URI http://asc.fasb.org/extlink&oid=96867065&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 2
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

Reference 3: 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=96867065&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

+ 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 (f)(2)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration