Relocation Costs (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
	Sep. 30, 2013	Sep. 30, 2013
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	$ 1,229	$ 2,444
Restructuring and Related Cost, Expected Cost		28,000
Restructuring and Related Cost, Expected Cost Remaining		$ 40,000