Debt Costs (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||
---|---|---|---|---|
Sep. 30, 2014
|
Sep. 30, 2013
|
Sep. 30, 2014
|
Sep. 30, 2013
|
|
Debt [Line Items] | ||||
Interest and debt costs incurred, net of interest capitalized | $ 12,559 | $ 9,918 | $ 25,688 | $ 18,831 |
Interest costs capitalized | 3,410 | 2,636 | 6,282 | 5,598 |
Total interest and debt costs | $ 15,969 | $ 12,554 | $ 31,970 | $ 24,429 |