Supplemental Disclosure of Statement of Cash Flow Information (Notes)	6 Months Ended
	Jun. 30, 2011
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 six months ended June 30, 2011 and 2010, the Company paid $53,395 and $57,399, respectively, for interest and $1,225 and $1,114, 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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