Debt Arrangements (Details)	6 Months Ended
	Sep. 30, 2016 USD ($)	Oct. 14, 2016 USD ($)
Minimum
Line of Credit Facility [Line Items]
Ratio of EBITDA to fixed charges	2.0
Senior Notes | Senior Secured $275 Million 8.50% Note | Subsequent Event
Line of Credit Facility [Line Items]
Debt instrument face amount		$ 275,000,000
Stated interest rate		8.50%
Debt instrument, issue price, percentage		99.085%
Revolving Credit Facility
Line of Credit Facility [Line Items]
Amount outstanding	$ 200,000,000
Revolving Credit Facility | Subsequent Event
Line of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity		$ 60,000,000