v2.4.0.8
Reconciliation of Segment EBITDA to Net Income (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Segment Reporting [Abstract]    
Segment EBITDA $ 205,097 $ 161,731
Restructuring and acquisition related expenses 3,321 1,505
Change in fair value of contingent consideration liabilities (1,222) 823
Equity in earnings of unconsolidated subsidiaries (36) 0
EBITDA 202,962 159,403
Depreciation and amortization 27,846 19,040
Interest expense, net 16,118 8,595
Loss on debt extinguishment (324) 0
Provision for income taxes 54,021 47,176
Net income $ 104,653 $ 84,592