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Stock Options and Incentive Plans (Stock Option Activity) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Number of Options Outstanding at January 1	3,053
Weighted-Average Exercise Price Outstanding at January 1	$ 74.00
Number of options granted	469
Weighted-Average Exercise Price Granted	$ 110.33
Number of Options Exercised	(1,187)
Weighted-Average Exercise Price Exercised	$ 80.02
Number of Options Cancelled or expired	(80)
Weighted-Average Exercise Price Cancelled or expired	$ 88.26
Number of Options Outstanding at December 31	2,255
Weighted-Average Exercise Price Outstanding at December 31	$ 77.87
Number of shares exercisable at December 31	1,208
Weighted-Average Exercise Price Exercisable at December 31	$ 67.25

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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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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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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

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Weighted average price of options that were either forfeited or expired.

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

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

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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

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