Earnings Per Share.

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- Definition

The exercise price of each class of warrants or rights outstanding.

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The specified number of securities that each class of warrants or rights outstanding give the holder the right but not the obligation to purchase from the issuer at a specific price, on or before a certain date.

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- Definition

Aggregate dividends paid during the period for each share of common stock outstanding.

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- Definition

Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of call options and warrants using the treasury stock method.

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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- Definition

The cash outflow from the distribution of an entity's earnings in the form of dividends to common shareholders.

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- Definition

The weighted average price as of the beginning of the year at which grantees can acquire the shares reserved for issuance under the stock option plan.

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- Definition

As of the balance sheet date, the number of shares into which fully vested and expected to vest stock options outstanding can be converted under the option plan.

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- Definition

The amount authorized by an entity's Board of Directors under a stock repurchase plan.

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The remaining repurchase amount authorized by an entity's Board of Directors under a stock repurchase plan.

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Total cost of shares repurchased divided by the total number of shares repurchased.

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Number of shares that have been repurchased during the period and are being held in treasury.

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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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Earnings Per Share (Details Textual) (USD $) In Millions, except Share data	1 Months Ended	3 Months Ended				6 Months Ended
	Jun. 30, 2008	Jun. 30, 2011	Jun. 30, 2010	Mar. 31, 2010	Sep. 30, 2008	Jun. 30, 2011	Jun. 30, 2010	Apr. 03, 2007
Earnings Per Share (Textuals)
Options outstanding to purchase common shares		22,077	22,077			22,077	22,077
Average exercise price per share		$ 80.01	$ 80.01			$ 80.01	$ 80.01	$ 80.01
Potential dilutive effect of shares underlying the options		0	0			0	0
Number of common shares underlying the Warrants outstanding		3,600,000	3,600,000			3,600,000	3,600,000
Average Exercise price of common shares underlying warrants		$ 61.36	$ 61.36			$ 61.36	$ 61.36
Potential dilutive effect of shares underlying the Warrants		0	0			0	0
Payment of cash dividends to stockholders						$ 9.4	$ 9.6
Cash dividend paid per share						$ 0.48	$ 0.48
Amount authorized by Board to be repurchased	75.0
Common stock repurchased, shares				1,151,900	572,706
Weighted-average price of common stock repurchased					$ 49.05
Cost of common stock repurchased				44.2	28.1
Total cost of common stock available for repurchase		$ 46.9