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Stockholders' Equity (Tables)

12 Months Ended

Mar. 31, 2013

Stockholders' Equity

Schedule of dividends per share

		Year ended March 31,
		2013			2012			2011
First quarter		$	0.13		$	0.12		$	0.11
Second quarter		0.13			0.12			0.11
Third quarter		0.14			0.13			0.12
Fourth quarter		0.14			0.13			0.12

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