|
Accounts Receivable (Details) (USD $)
In Thousands, unless otherwise specified |
Sep. 30, 2014
|
Mar. 31, 2014
|
|---|---|---|
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Receivable amounts | $ 290,410 | $ 245,323 |
| Less allowance for doubtful accounts | 2,937 | 2,918 |
| Accounts receivable, net | 287,473 | 242,405 |
|
Trade Accounts Receivable [Member]
|
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| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Receivable amounts | 288,091 | 243,383 |
|
Other Receivables [Member]
|
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| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Receivable amounts | $ 2,319 | $ 1,940 |