XML 52 R30.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Business Acquisitions (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2014
Business Combinations [Abstract] |
Summary of Company's Purchase Allocation Price | The Company’s allocation of purchase price is as follows:
Current assets |  | $ | 11.8 |
Property and equipment |  |  | 3.8 |
Goodwill |  |  | 389.6 |
Other intangible assets |  |  | 124.8 |
Current liabilities |  |  | (14.4 | )
Deferred income tax liabilities—long-term |  |  | (26.3 | )
Other long-term liabilities |  |  | (0.7 | )
|  | $ | 488.6 |
Schedule of Pro Forma Information Combines Consolidated Results of Company and Business Acquisitions | The following unaudited pro forma information combines the consolidated results of operations of the Company on a GAAP basis and the acquisitions completed during 2014 and 2013, including adjustments for pro forma amortization and interest expense, as if the transactions had occurred on January 1, 2013 and January 1, 2012, respectively (in thousands, except per share data):
|  | Years Ended December 31, |
|  | 2014 |  |  | 2013 |
Net revenue |  | $ | 2,590,384 |  |  | $ | 2,494,968 |
Net income |  |  | 326,216 |  |  |  | 301,076 |
Net income per common share (1): |  |  |  |  |  |  |  |
Basic |  | $ | 3.31 |  |  | $ | 3.04 |
Diluted |  | $ | 3.27 |  |  | $ | 2.98 |
Weighted average common shares (1): |  |  |  |  |  |  |  |
Basic |  |  | 98,588 |  |  |  | 99,112 |
Diluted |  |  | 99,887 |  |  |  | 100,969 |
(1) | The comparison of net income per common share is affected by the changes in the number of weighted average shares outstanding in each period.

X
- Definition Business Acquisition Of Purchase Price Allocation [Table Text Block] + References No definition available. + Details
Name: | md_BusinessAcquisitionOfPurchasePriceAllocationTableTextBlock
Namespace Prefix: | md_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of pro forma results of operations for a material business acquisition or series of individually immaterial business acquisitions that are material in the aggregate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)-(3) -URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463 + Details
Name: | us-gaap_BusinessAcquisitionProFormaInformationTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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