Age participant attains for recognition of expenses from date of grant.

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Description of the period of time when equity-based award expires as specified in the award agreement.

+ References

No definition available.

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The number of years to measure performance metrics in order to award performance stock unit awards.

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No definition available.

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- Definition

The future percentage of grants that will be performance stock unit awards.

+ References

No definition available.

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The future percentage of grants that will be time vesting stock unit awards.

+ References

No definition available.

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Stated performance metrics in an award of the original grant.

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No definition available.

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- Definition

As of the balance sheet date, the total dollar difference between fair values of the underlying shares reserved for issuance and exercise prices of nonvested options outstanding.

+ References

No definition available.

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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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-Name Accounting Standards Codification

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-Name Staff Accounting Bulletin (SAB)

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Aggregate proceeds received by the entity during the annual period from exercises of stock or unit options and conversion of similar instruments granted under equity-based payment arrangements.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation.

+ References

No definition available.

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The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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- Definition

The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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- Definition

The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

+ References

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- Definition

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(iii)

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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-Publisher FASB

-Name Accounting Standards Codification

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-Subparagraph (d)(2)

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- Definition

Gross number of share options (or share units) granted during the period.

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No definition available.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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- Definition

Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of fully vested and expected to vest options outstanding.

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Purchase price of common stock expressed as a percentage of its fair value.

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No definition available.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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No definition available.

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Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.

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The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

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The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

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- Definition

The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.

+ 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)(i)-(ii)

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

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- Definition

Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ 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 (e)(1)

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

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- Definition

The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ 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 (g)

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

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- Definition

Number of share options (or share units) exercised during the current period.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.28,29)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 5: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(iv)(2)

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

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

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SHARE-BASED COMPENSATION (Details) (USD $)	12 Months Ended
SHARE-BASED COMPENSATION (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
SHARE-BASED COMPENSATION [Abstract]
Percent of market price (in hundredths)	100.00%
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available to be granted under existing stock plans (in shares)	1,200,000
Aggregate intrinsic value [Abstract]
Age participant attains for recognition of expenses from date of grant	65 years
Grant Date Weighted Average Fair Value [Abstract]
Total pre-tax share-based compensation recognized in the Consolidated Statements of Earnings	$ 6,300,000	$ 8,400,000	$ 10,100,000
Tax related benefits	2,400,000	2,600,000	2,400,000
Cash received from the exercise of stock options	600,000	1,000,000	1,500,000
Range of Exercise Price 1 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price range, lower range (in dollars per share)	$ 18.57
Exercise price range, upper range (in dollars per share)	$ 23.08
Options outstanding (in shares)	25,000
Weighted average remaining contractual life	1 year 1 month 6 days
Weighted average exercise price (in dollars per share)	$ 19.34
Options exercisable (in shares)	25,000
Weighted average exercise price (in dollars per share)	$ 19.34
Range of Exercise Price 2 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price range, lower range (in dollars per share)	$ 23.09
Exercise price range, upper range (in dollars per share)	$ 26.11
Options outstanding (in shares)	20,000
Weighted average remaining contractual life	1 year 3 months 18 days
Weighted average exercise price (in dollars per share)	$ 23.86
Options exercisable (in shares)	20,000
Weighted average exercise price (in dollars per share)	$ 23.86
Range of Exercise Price 3 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price range, lower range (in dollars per share)	$ 26.12
Exercise price range, upper range (in dollars per share)	$ 30.07
Options outstanding (in shares)	21,000
Weighted average remaining contractual life	2 years 9 months 18 days
Weighted average exercise price (in dollars per share)	$ 28.16
Options exercisable (in shares)	21,000
Weighted average exercise price (in dollars per share)	$ 28.16
Non-vested Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expense recognition period (in years)	5 years
Aggregate intrinsic value [Abstract]
Percentage of future grants that will be performance stock unit awards	100.00%	50.00%
Percentage of future grants that will be time vesting stock unit awards		50.00%
Percentage of stated performance metrics award of grant	150.00%	150.00%
Number of years to measure performance metrics	3 years	2 years
Non-vested Stock [Roll Forward]
Outstanding, Beginning (in shares)	497,000	339,000	400,000
Granted (in shares)	171,000	262,000	293,000
Vested (in shares)	(40,000)	(94,000)	(314,000)
Cancelled (in shares)	(24,000)	(10,000)	(40,000)
Outstanding, Ending (in shares)	604,000	497,000	339,000
Grant Date Weighted Average Fair Value [Abstract]
Outstanding, Beginning (in dollars per share)	$ 38.46	$ 33.22	$ 31.42
Granted (in dollars per share)	$ 55.21	$ 46.14	$ 36.09
Vested (in dollars per share)	$ 27.15	$ 40.57	$ 33.59
Cancelled ( in dollars per share)	$ 40.84	$ 42.22	$ 33.41
Outstanding, Ending Balance (in dollars per share)	$ 43.84	$ 38.46	$ 33.22
Aggregate Intrinsic Value	36,454,000	24,095,000	12,046,000	15,142,000
Total intrinsic values of shares vested	2,200,000	4,400,000	11,200,000
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grants in period (in shares)	0	0	0
Expense recognition period (in years)	3 years
Expiration from date of grant (in years)	10 years
Stock Options [Roll Forward]
Outstanding, beginning of period (in shares)	93,000	141,000	207,000
Exercised (in shares)	(27,000)	(48,000)	(66,000)
Outstanding, end of period (in shares)	66,000	93,000	141,000	207,000
Exercisable, end of period (in shares)	66,000
Weighted Average Exercise Price [Abstract]
Outstanding, beginning of period (in dollars per share)	$ 23.04	$ 22.35	$ 22.36
Exercised (in dollars per share)	$ 21.92	$ 21.00	$ 22.38
Outstanding, end of period (in dollars per share)	$ 23.49	$ 23.04	$ 22.35	$ 22.36
Exercisable, end of period (in dollars per share)	$ 23.49
Weighted average remaining life [Abstract]
Weighted average remaining life	1 year 8 months 12 days	2 years 2 months 12 days	2 years 8 months 12 days	3 years 1 month 6 days
Exercisable, weighted average remaining life	1 year 8 months 12 days
Aggregate intrinsic value [Abstract]
Aggregate intrinsic value of stock options, outstanding	2,438,000	2,374,000	1,859,000	3,222,000
Aggregate intrinsic value of stock options, exercisable	2,438,000
Aggregate intrinsic values of stock options exercised	800,000	1,100,000	900,000
Non-vested stock and performance stock units [Member]
Grant Date Weighted Average Fair Value [Abstract]
Compensation cost net yet recognized	$ 15,700,000
Compensation cost not yet recognized, period for recognition	1 year 11 months 23 days