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Percentage Of After Tax Net Profit To Be Retain By Executive Officer To Achieve Ownership Position

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Compensation Paid

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Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Period Expected For Vesting

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Share Based Compensation Arrangement By Share Based Payment Award Options Vested Total Fair Value

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Share-based Compensation Arrangement by Share-based Payment Award, Average Award Vesting Period

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Grants, Fair Value

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No definition available.

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Top Quartile Performance Maximum Payout Target

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- Definition

Total Fair Value of In-The-Money Options

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- Definition

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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-Name Accounting Standards Codification
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- Definition

Unrecognized cost of unvested share-based compensation awards.

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- Definition

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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- Definition

Disclosure of the aggregate tax benefit realized from the exercise of stock options and the conversion of similar instruments during the annual period.

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- Definition

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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- Definition

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

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.

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- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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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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- 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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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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- Definition

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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- Definition

Percentage of vesting of share-based compensation awards.

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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Stock-Based Compensation (Narrative) (Details) - USD ($)	1 Months Ended	12 Months Ended
	Jan. 31, 2015	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation plans award vesting period		3 years
Equity Ownership Plan 2003 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant		888,602
Equity Ownership And Long-Term Cash Incentive Plan 2007 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant		1,104,547
Number of shares authorized		7,000,000
Expiration of stock-based awards		10 years
Equity Ownership And Long Term Cash Incentive Plan 2011 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant		720,775
Number of shares authorized		5,500,000
Expiration of stock-based awards		10 years
Equity Ownership And Long Term Cash Incentive Plan 2015 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant		6,771,686
Number of shares authorized		6,900,000
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Average award vesting period		42 months
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average grant-date fair value of options granted (in USD per share)		$ 11.41	$ 8.71	$ 8.00
Total intrinsic value of options exercised		$ 5,100,000	$ 25,500,000	$ 5,700,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value		0
Total fair value of vested options		4,000,000	4,000,000	11,000,000
Total Fair Value of In-The-Money Options		5,000,000
Cost related to non-vested stock options outstanding not yet recognized		$ 5,600,000
Recognition period		1 year 8 months 13 days
Employee Service Share-based Compensation, Cash Received from Exercise of Stock Options		$ 23,900,000
Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options		1,900,000
Incentive Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Grants, Fair Value		$ 16,400,000	15,800,000	16,300,000
Expiration of stock-based awards		10 years
Percentage of after tax net profit to be retained by the executive officer to achieve ownership position		75.00%
Average award vesting period		3 years
Top Quartile Performance Maximum Payout Target		200.00%
Incentive Stock Options [Member] \| Equity Ownership And Long Term Cash Incentive Plan 2011 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant		2,000,000
Weighted-average grant-date fair value of options granted (in USD per share)	$ 99.02
Long term incentive plan awards (in shares)	156,017
Incentive Stock Options [Member] \| Equity Ownership And Long Term Cash Incentive Plan 2015 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant		1,500,000
Incentive Stock Options [Member] \| 2012-2014 Long-Term Performance Unit Program [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average grant-date fair value of options granted (in USD per share)	$ 88.67
Long term incentive plan awards (in shares)	105,503
Restricted Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Grants, Fair Value		$ 28,600,000	24,200,000	25,400,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value		$ 28,700,000	16,500,000	11,000,000
Restricted Awards [Member] \| Equity Ownership And Long Term Cash Incentive Plan 2011 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant	292,750
Weighted-average grant-date fair value of options granted (in USD per share)	$ 89.90
Stock-based compensation plans award vesting period		3 years
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Grants, Fair Value		$ 4,000,000	3,200,000	2,700,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value		$ 3,800,000	3,300,000	2,500,000
Number of unvested restricted units expected to vest		145,018
Period expected for vesting unvested restricted units		32 months
Compensation paid for awards		$ 700,000	$ 1,700,000	$ 2,100,000
Maximum [Member] \| Incentive Stock Options [Member] \| Equity Ownership And Long Term Cash Incentive Plan 2011 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized		2,000,000
Maximum [Member] \| Incentive Stock Options [Member] \| Equity Ownership And Long Term Cash Incentive Plan 2015 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized		1,500,000
Maximum [Member] \| Non-option Grant [Member] \| Equity Ownership And Long-Term Cash Incentive Plan 2007 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized		2,000,000
Year One [Member] \| Incentive Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of awards vesting			33.33%
Year One [Member] \| Restricted Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of awards vesting			33.33%
Year Two [Member] \| Incentive Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of awards vesting			33.33%
Year Two [Member] \| Restricted Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of awards vesting			33.33%
Year Three [Member] \| Incentive Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of awards vesting			33.33%
Year Three [Member] \| Restricted Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of awards vesting			33.33%