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Fair Value Measurement Of Assets And Liabilities (Financial Liabilities Not Carried At Fair Value) (Details) (USD $)
In Thousands, unless otherwise specified |
Mar. 31, 2012
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Mar. 31, 2011
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|---|---|---|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Carrying Amount | $ 2,184,095 | $ 2,213,435 |
| Fair Value | 2,168,978 | 2,199,061 |
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Level 1 [Member] | Term Loan Dated October 1, 2007 [Member]
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Carrying Amount | 1,179,595 | 1,674,435 |
| Fair Value | 1,171,959 | 1,662,714 |
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Level 1 [Member] | Term Loan Dated October 19, 2011 [Member]
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Carrying Amount | 487,500 | |
| Fair Value | 482,625 | |
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Level 2 [Member] | Asia Term Loans [Member]
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Carrying Amount | 377,000 | 379,000 |
| Fair Value | 374,394 | 376,347 |
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Revolving Credit Facility [Member] | Level 2 [Member]
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Carrying Amount | 140,000 | 160,000 |
| Fair Value | $ 140,000 | $ 160,000 |