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Supplemental Cash Flow Information (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
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Dec. 31, 2011
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Dec. 31, 2010
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Dec. 31, 2009
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| Supplemental Cash Flow Information [Abstract] | |||
| Interest paid | $ 404,443 | $ 409,293 | $ 331,681 |
| Income taxes paid (refund) | 4,340 | (5,935) | 5,597 |
| Increase (decrease) in the fair value of forward-starting interest rate swaps (note 7) | 0 | (114,157) | (140,397) |
| Assets acquired through capital leases and installment sales | $ 27,094 | $ 18,682 | $ 17,351 |
| X | ||||||||||
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- Definition
Increase (decrease) in the fair value of forward-starting interest rate swaps. No definition available.
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| X | ||||||||||
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- Definition
The increase during the period in capital lease obligations due to entering into new capital leases. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of cash paid for interest during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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