FIXED ASSETS (Tables)

12 Months Ended

Dec. 31, 2016

Property, Plant and Equipment [Abstract]

Schedule of fixed assets

Fixed assets, net consist of the following (in thousands):

	December 31,
	2016			2015
Computer hardware and software, including internal-use software and website development	$	196,923		$	175,701
Building	67,892			44,811
Furniture and equipment	15,931			11,396
Land	12,781			10,861
Building machinery and equipment	7,915			—
Leasehold improvements	7,062			7,753
Land improvements	6,356			—
	314,860			250,522
Less: accumulated depreciation	(180,308		)	(156,826		)
Total fixed assets, net	$	134,552		$	93,696