Supplemental Disclosure of Statement of Cash Flow Information	3 Months Ended
	Mar. 31, 2012
Supplemental Disclosure of Statement of Cash Flow Information [Abstract]
Supplemental Disclosure of Statement of Cash Flow Information	Supplemental Disclosure of Statement of Cash Flow Information In addition to disclosures discussed elsewhere, during the three months ended March 31, 2012 and 2011, the Company paid $28,514 and $31,989, respectively, for interest and $281 and $137, respectively, for income taxes.

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.

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