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Employee Benefit Plan	12 Months Ended
Employee Benefit Plan	Dec. 31, 2016
Compensation and Retirement Disclosure [Abstract]
Employee Benefit Plan	EMPLOYEE BENEFIT PLAN The Company has a 401(k) retirement savings plan in which substantially all of its employees may participate. The plan includes a provision for the Company to match a percentage of the employee’s contributions at a rate determined by the Company’s Board of Directors. In 2016, 2015 and 2014 the Company’s contributions were approximately $6.5 million, $5.7 million and $5.1 million, respectively. The increase in each of the years was due to increased employee participation in the plan. The Company does not provide health care benefits to retired employees.