VENEZUELAN OPERATIONS (Detail)	1 Months Ended	3 Months Ended		7 Months Ended		12 Months Ended
	Jun. 30, 2015 USD ($)	May 31, 2014 USD ($)	Feb. 28, 2014 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	May 31, 2015 USD ($)	May 31, 2014 USD ($)	Mar. 31, 2014 VEB / $
Investment in Country with High Inflationary Economy [Line Items]
Gain or loss on disposal of operations	$ 0
Percentage of consolidated revenues from small service location	1.00%
Loss on Venezuela deconsolidation				$ 0		$ 0		$ 1,177,000	$ 0
Recognized losses related to the Venezuelan currency			$ 1,900,000	$ 813,000	$ 1,197,000	$ (93,000)	$ 1,125,000	$ 1,509,000	$ 4,185,000
SICAD-2
Investment in Country with High Inflationary Economy [Line Items]
Recognized losses related to the Venezuelan currency		$ 2,100,000
Foreign currency exchange rate | VEB / $										50
SICAD-1 | Minimum
Investment in Country with High Inflationary Economy [Line Items]
Foreign currency exchange rate | VEB / $										10
SICAD-1 | Maximum
Investment in Country with High Inflationary Economy [Line Items]
Foreign currency exchange rate | VEB / $										11.8