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Allowance for Doubtful Accounts (Tables)

3 Months Ended

Mar. 31, 2013

Receivables [Abstract]

Summary of Allowance for Doubtful Accounts

		Balance at Beginning  of Period				Charged to Expense				Deductions(1)				Balance at End of Period
Three months ended March 31, 2013		$	8,657				4,941				(5,209	)		$	8,389
Three months ended March 31, 2012		$	11,706				4,122				(6,984	)		$	8,844

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- Definition

Tabular disclosure of financing receivables (examples of financing receivables include loans, trade accounts receivable and notes receivable) and activity in the allowance for credit losses account.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 11B

-URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953423-111524

+ Details

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- Details

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