XML 42 R28.htm IDEA: XBRL DOCUMENT v3.3.1.900

Stock Award Plans (Tables)

12 Months Ended

Dec. 31, 2015

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

Compensation Cost Breakdown in Statement of Earnings

The Company has share-based compensation plans which are described below. The compensation cost that has been charged against earnings for the Company’s stock award plans and the income tax benefit recognized in the statement of earnings for stock awards for the years ended December 31, 2015, 2014 and 2013 were as follows (in thousands):

		2015				2014				2013
Compensation cost		$	11,104			$	11,591			$	11,621
Income tax benefit		$	4,120			$	4,358			$	4,370

Summary of Stock Option Valuation Assumptions

The fair value of each stock option was determined using the Black-Scholes option pricing model. The key input variables used in valuing the stock options during the years ended December 31, 2015, 2014 and 2013 were as follows:

		2015				2014				2013
Dividend yield		None				None				None
Average risk-free interest rate			1.3	%			2.0	%			1.1	%
Stock price volatility			33	%			33	%			34	%
Estimated option term			Six years				Six years or seven years				Six years or seven years

Employee Plan [Member]

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

Summary of Stock Option Activity

The following is a summary of the stock option activity under the employee plan described above for the years ended December 31, 2015, 2014 and 2013:

		Outstanding Non- Qualified or Nonincentive Stock Awards				Weighted Average Exercise Price
Outstanding at December 31, 2012			351,173			$	45.54
Granted			111,527			$	70.94
Exercised			(83,096	)		$	34.51
Canceled or expired			—			$	—
Outstanding at December 31, 2013			379,604			$	55.42
Granted			75,204			$	98.91
Exercised			(119,276	)		$	42.07
Canceled or expired			(12,576	)		$	68.89
Outstanding at December 31, 2014			322,956			$	69.95
Granted			114,894			$	74.99
Exercised			—			$	—
Canceled or expired			(7,418	)		$	86.28
Outstanding at December 31, 2015			430,432			$	71.01

Summary of Outstanding and Exercisable Stock Options

The following table summarizes information about the Company’s outstanding and exercisable stock options under the employee plan at December 31, 2015:

				Options Outstanding														Options Exercisable
Range of Exercise Prices				Number Outstanding				Weighted Average Remaining Contractual Life in Years				Weighted Average Exercise Price				Aggregated Intrinsic Value		Number Exercisable				Weighted Average Exercise Price				Aggregated Intrinsic Value
$	31.35 – $36.35				16,910				1.1			$	32.82						16,910			$	32.82
$	46.74				56,629				2.1			$	46.74						56,629			$	46.74
$	65.28 – $74.99				283,963				4.6			$	70.98						141,669			$	67.90
$	93.64 – $96.85				35,763				5.1			$	94.27						11,921			$	94.27
$	101.46 – $114.11				37,167				5.2			$	103.22						12,389			$	103.22
$	31.35 – $114.11				430,432				4.2			$	71.01		$	668,000			239,518			$	63.56		$	668,000

Summary of Restricted Stock Award Activity

The following is a summary of the restricted stock award activity under the employee plan described above for the years ended December 31, 2015, 2014 and 2013:

		Unvested Restricted Stock Award Shares				Weighted Average Grant Date Fair Value Per Share
Nonvested balance at December 31, 2012			418,128			$	45.39
Granted			139,971			$	69.85
Vested			(149,162	)		$	44.30
Forfeited			(9,659	)		$	61.20
Nonvested balance at December 31, 2013			399,278			$	54.92
Granted			97,706			$	97.46
Vested			(141,870	)		$	45.64
Forfeited			(33,661	)		$	63.56
Nonvested balance at December 31, 2014			321,453			$	71.04
Granted			122,740			$	75.04
Vested			(113,958	)		$	60.73
Forfeited			(18,508	)		$	82.00
Nonvested balance at December 31, 2015			311,727			$	75.73

Director Plan [Member]

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

Summary of Stock Option Activity

The following is a summary of the stock option activity under the director plan described above for the years ended December 31, 2015, 2014, and 2013:

		Outstanding Non- Qualified or Nonincentive Stock Awards				Weighted Average Exercise Price
Outstanding at December 31, 2012			345,938			$	45.84
Granted			54,958			$	75.17
Exercised			(80,574	)		$	46.75
Outstanding at December 31, 2013			320,322			$	50.64
Granted			42,000			$	99.52
Exercised			(63,988	)		$	39.08
Outstanding at December 31, 2014			298,334			$	60.01
Granted			—			$	—
Exercised			(77,905	)		$	47.65
Outstanding at December 31, 2015			220,429			$	64.37

Summary of Outstanding and Exercisable Stock Options

The following table summarizes information about the Company’s outstanding and exercisable stock options under the director plan at December 31, 2015:

		Options Outstanding														Options Exercisable
Range of Exercise Prices		Number Outstanding				Weighted Average Remaining Contractual Life in Years				Weighted Average Exercise Price				Aggregate Intrinsic Value		Number Exercisable				Weighted Average Exercise Price				Aggregate Intrinsic Value
$29.60 – $36.82			30,000				1.9			$	33.60						30,000			$	33.60
$41.24 – $56.45			71,276				4.3			$	52.34						71,276			$	52.34
$61.89 – $62.48			41,153				6.5			$	62.34						41,153			$	62.34
$75.17 – $99.52			78,000				7.3			$	88.28						78,000			$	88.28
$29.60 – $99.52			220,429				5.4			$	64.37		$	775,000			220,429			$	64.37		$	775,000

Summary of Restricted Stock Award Activity

The following is a summary of the restricted stock award activity under the director plan described above for the years ended December 31, 2015, 2014 and 2013:

		Unvested Restricted Stock Award Shares				Weighted Average Grant Date Fair Value Per Share
Nonvested balance at December 31, 2012			348			$	62.99
Granted			10,536			$	75.65
Vested			(10,500	)		$	75.23
Nonvested balance at December 31, 2013			384			$	75.65
Granted			8,160			$	99.52
Vested			(8,252	)		$	98.41
Nonvested balance at December 31, 2014			292			$	99.52
Granted			20,350			$	78.52
Vested			(18,851	)		$	79.77
Nonvested balance at December 31, 2015			1,791			$	68.73

X

- Definition

Tabular disclosure of the costs related to the various types of retirement plans including defined benefit pension plan cost, defined contribution plan cost, other postretirement benefit plan cost, and net periodic benefit cost.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920

+ Details

Name:	us-gaap_ScheduleOfCostsOfRetirementPlansTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
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=6415400&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 of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms.

+ 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

+ Details

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

X

- 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

+ 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=6415400&loc=d3e5070-113901

+ Details

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

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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

X

- Details

Name:	us-gaap_PlanNameAxis=kex_EmployeePlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PlanNameAxis=kex_DirectorPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: