Prepaid Expenses and Other Current Assets (Tables)

12 Months Ended

Dec. 31, 2016

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Prepaid expenses and other current assets

	December 31,
	2016		2015
	(In thousands)
Restricted cash	$	3,838	5,352
Prepaid vehicle licenses	50,343		47,806
Prepaid operating taxes	20,242		18,510
Prepaid sales commission	9,731		11,446
Prepaid Insurance	12,074		9,057
Other	45,052		45,972
Total	$	141,280	138,143