Accrued Expenses (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Accrued Expenses [Abstract]
Accrued earnouts	$ 23,136	$ 30,063
Salaries and benefits	12,340	11,351
Real estate and property taxes	9,224	9,814
Other	33,943	34,903
Accrued expenses	$ 78,643	$ 86,131

Carrying value as of the balance sheet date of obligations, excluding pension and other postretirement benefits, incurred through that date and payable for perquisites provided to employees pertaining to services received from them. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of obligations incurred through that date and payable arising from transactions not otherwise specified in the taxonomy. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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