Common Shares Level 4 (Details) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012
Weighted Average Common Shares Outstanding Basic and Diluted [Line Items]
Weighted Average Number of Shares Outstanding, Basic	58,885	58,425	58,972	58,200
Weighted Average Number Diluted Shares Outstanding Adjustment	800	547	774	492
Weighted Average Number of Shares Outstanding, Diluted	59,685	58,972	59,746	58,692