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Common Shares (Tables)

6 Months Ended

3 Months Ended

Jun. 30, 2011

2010 ATM Program [Member]

Jun. 30, 2011

2011 ATM Program [Member]

Activity Under ATM Share Offering Program

		Three Months Ended June 30, 2011				Six Months Ended June 30, 2011
Common shares sold			0.2				0.3
Total net consideration		$	10.0			$	13.8
Average price per share		$	56.50			$	55.81

		Three Months Ended June  30, 2011
Common shares sold			0.4
Total net consideration		$	23.3
Average price per share		$	64.52

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- Definition

Activity Under ATM Share Offering Program.

+ Details

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