Annual report pursuant to Section 13 and 15(d)

Noncontolling Interest and Acquisitions Acquisitions (Details)

v2.4.0.8
Noncontolling Interest and Acquisitions Acquisitions (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 3 Months Ended 12 Months Ended 3 Months Ended
Mar. 31, 2014
Jun. 30, 2013
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Apr. 30, 2013
Dec. 31, 2012
Casenet, LLC [Member]
Dec. 31, 2013
Casenet, LLC [Member]
Dec. 31, 2011
Casenet, LLC [Member]
Business Acquisition [Line Items]                  
Business Acquisition, Percentage of Voting Interests Acquired           100.00%      
Total consideration $ 200,000   $ 142,495            
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable     75,425            
Business acquisition, cash paid     67,070            
Acquisition of additional ownership     0 14,429 0   4,429    
Goodwill     348,432 256,288 281,981        
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles           35,000      
Net deferred tax assests     99,776 71,476          
Ownership percentage by parent             100.00% 100.00% 81.00%
Stock Issued During Period, Shares, New Issues   342,640 342,640            
Stock Issued During Period, Value, New Issues   15,225 15,225            
Goodwill, Acquired During Period     $ 92,144