Business Combinations (Tables)
 3 Months Ended
Mar. 31, 2014
Business Combinations [Abstract]  
Schedule of fair values assigned to assets acquired and liabilities assumed at the acquisition date
The following summarizes the preliminary fair values assigned to the assets acquired and liabilities assumed at the acquisition date and are subject to change as the valuation processes for intangible assets, rebates, and pharmacy related receivables and payables are not complete. Final determination of the fair values may result in further adjustments to the amounts presented below (in thousands):
 
Initial Amounts Recognized at Acquisition Date (a)
 
Measurement Period Adjustments (b)
 
Current Amounts Recognized at Acquisition Date
Accounts receivable
$
13,842

 
$
—

 
$
13,842

Rebates receivable
6,635

 
(254
)
 
6,381

Other current assets
383

 
—

 
383

Total current assets
20,860

 
(254
)
 
20,606

Property and equipment
1,263

 
—

 
1,263

Intangible assets
182,720

 
—

 
182,720

Goodwill
223,474

 
2,280

 
225,754

Total assets acquired
428,317

 
2,026

 
430,343

Accounts payable
22,370

 
—

 
22,370

Rebates payable
16,106

 
—

 
16,106

Accrued liabilities
7,231

 
—

 
7,231

Total liabilities assumed
45,707

 
—

 
45,707

 
 
 
 
 
 
Net assets acquired
$
382,610

 
$
2,026

 
$
384,636


(a) As previously reported in the Company's Form 10-K for the period ended December 31, 2013.

(b) These measurement period adjustments reflect an additional $2.0 million paid to former Restat owners for working capital reconciliation as well as changes in the estimated fair values of the associated assets acquired and liabilities assumed.
Schedule of estimated fair values and useful lives of intangible assets acquired
The estimated fair values and useful lives of intangible assets acquired are as follows (dollars in thousands):
 
Fair Value
 
Useful Life
Customer relationships - PBM
$
143,200

 
10 years
Customer relationships - cash card
35,500

 
3 years
Trademarks/Trade names
1,000

 
1 year
Non-compete agreements
3,020

 
5 years
Total
$
182,720

 
 
Unaudited pro forma results of operations
Unaudited pro forma results of operations are as follows (in thousands, except share and per share amounts):
 
Three Months Ended March 31, 2013
Revenue
$
3,414,064

Gross profit
$
265,572

Net income attributable to the Company
$
56,642

Earnings per share attributable to the Company:
 
Basic
$
0.28

Diluted
$
0.27

Weighted average shares outstanding:
 
Basic
205,576,875

Diluted
206,423,549