Income Taxes (Details) 1 of 2 (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Income Tax Expense Benefit	$ 1,193	$ 1,666	$ 4,504	$ 5,898
Deferred Income Tax Expense (Benefit) [Abstract]
Income Tax Expense Benefit	$ 1,193	$ 1,666	$ 4,504	$ 5,898