Commitments and Contingencies (Tables)

12 Months Ended

Mar. 31, 2014

Commitments and Contingencies Disclosure [Abstract]

Future Commitments Under Take or Pay Supply Agreements

At March 31, 2014, future commitments under take-or-pay supply agreements were as follows:

(In thousands)
Years Ending March 31,
2015	$	149,103
2016	137,432
2017	105,929
2018	54,802
2019	41,541
Thereafter	111,191
	$	599,998