XML 68 R23.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Valuation And Qualifying Accounts | 12 Months Ended
--- | ---
Dec. 31, 2011
Valuation And Qualifying Accounts [Abstract] |
Valuation And Qualifying Accounts | MEDNAX, INC. Schedule II: Valuation and Qualifying Accounts
|  | Years Ended December 31, |
|  | 2011 |  |  | 2010 |  |  | 2009 |
Allowance for contractual adjustments and uncollectibles: |  |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of year |  | $ | 421,977 |  |  | $ | 377,506 |  |  | $ | 369,446 |
Amount charged against operating revenue |  |  | 3,362,081 |  |  |  | 2,825,827 |  |  |  | 2,444,222 |
Accounts receivable contractual adjustments and write-offs (net of recoveries) |  |  | (3,208,028 | ) |  |  | (2,781,356 | ) |  |  | (2,436,162 | )
Balance at end of year |  | $ | 576,030 |  |  | $ | 421,977 |  |  | $ | 377,506 |

X
- Definition The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e24092-122690 + Details
Name: | us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ValuationAndQualifyingAccountsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration