|
Significant Accounting Policies Trade and Other Receivables (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Mar. 31, 2015
|
Mar. 31, 2014
|
Mar. 31, 2013
|
|
| Accounting Policies [Abstract] | |||
| Trade receivables | $ 192,761us-gaap_AccountsReceivableGrossCurrent | $ 165,759us-gaap_AccountsReceivableGrossCurrent | |
| Other receivables | 7,642us-gaap_OtherReceivablesGrossCurrent | 10,700us-gaap_OtherReceivablesGrossCurrent | |
| Allowance for doubtful accounts | 13,687us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent | 3,161us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent | |
| Charged to costs and expenses | 12,446us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense | 551us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense | (163)us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense |
| Value added tax receivable | $ 6,862us-gaap_ValueAddedTaxReceivable | $ 7,894us-gaap_ValueAddedTaxReceivable | |
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Definition
Amounts due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer) for goods or services (including trade receivables) that have been delivered or sold in the normal course of business. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amounts of other receivables due within one year of the balance sheet date (or one operating cycle, if longer) from third parties or arising from transactions not separately disclosed. No definition available.
|
| X | ||||||||||
|
- Definition
Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, charged to costs and expenses. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Carrying amount as of the balance sheet date of value added taxes due either from customers arising from sales on credit terms, or as previously overpaid to tax authorities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|