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Financial Instruments and Fair Value Measurements (Details Textual)
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3 Months Ended | 12 Months Ended | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Dec. 31, 2010
JPY (¥)
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Mar. 31, 2010
JPY (¥)
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Dec. 31, 2011
USD ($)
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Dec. 31, 2010
USD ($)
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Dec. 31, 2009
USD ($)
InterestRateSwapContract
Bonds
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Dec. 31, 2009
JPY (¥)
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Sep. 30, 2010
Interest Rate Swap Member
JPY (¥)
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Mar. 31, 2010
Interest Rate Swap Due 2010 [Member]
JPY (¥)
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Dec. 31, 2011
Interest Rate Swap Due 2014 [Member]
JPY (¥)
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Dec. 31, 2011
Euro [Member]
InterestRateSwapContract
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Dec. 31, 2011
British sterling pound [Member]
InterestRateSwapContract
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Dec. 31, 2011
Japanese yen [Member]
InterestRateSwapContract
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| Derivative [Line Items] | ||||||||||||
| Number of interest rate swap contracts | 39 | 39 | 33 | 3 | 3 | |||||||
| Notional amount of cash flow hedge instruments | $ 1,300,000 | $ 155,000,000 | $ 157,700,000 | ¥ 13,000,000,000 | ¥ 4,300,000,000 | ¥ 10,000,000,000 | ||||||
| Interest rate swap settled | 13,000,000,000 | 10,000,000,000 | 4,300,000,000 | |||||||||
| Financial Instruments and Fair Value Measurements (Textual) [Abstract] | ||||||||||||
| Maximum length of time hedged in Cash Flow Hedge | less than 10 years | |||||||||||
| Interest rate swap contract value outstanding | 1,300,000,000 | |||||||||||
| Interest rate cap contract value outstanding | 25,700,000 | |||||||||||
| Unsettled derivative contract included in accounts payable and accrued expenses | 28,500,000 | 1,400,000 | ||||||||||
| Accumulated other comprehensive income (loss) | 51,700,000 | 43,600,000 | ||||||||||
| Foreign currency exchange and derivative gains (losses), net | 5,700,000 | |||||||||||
| Recorded for ineffectiveness | 1,800,000 | 0 | 0 | |||||||||
| Interest expense reclassified | 8,600,000 | |||||||||||
| Combined notional amount of interest rate swap contracts | $ 1,300,000,000 | |||||||||||
| Number of variable rate TMK Bonds | 2 | 2 | ||||||||||
| Number of interest rate contracts entered into | 2 | 2 | ||||||||||