v2.4.0.6

Supplemental Cash Flow Information | 12 Months Ended
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Dec. 31, 2011
Supplemental Cash Flow Information [Abstract] |
Supplemental Cash Flow Information | Supplemental Cash Flow Information The following table is a summary of the supplemental cash flow information during the years ended December 31, 2011, 2010 and 2009.
| Years Ended December 31,
| 2011 |  | 2010 |  | 2009
Supplemental disclosure of cash flow information: |  |  |  |  |
Interest paid | $ | 404,443 |  |  | $ | 409,293 |  |  | $ | 331,681 |
Income taxes paid (refund) | 4,340 |  |  | (5,935 | ) |  | 5,597 |
Supplemental disclosure of non-cash investing and financing activities: |  |  |  |  |
Increase (decrease) in the fair value of forward-starting interest rate swaps (note 7) | — |  |  | (114,157 | ) |  | (140,397 | )
Assets acquired through capital leases and installment sales | 27,094 |  |  | 18,682 |  |  | 17,351 |

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- Definition The entire disclosure for supplemental cash flow activities, including cash, noncash, and part noncash transactions, for the period. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 32 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4313-108586 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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