VALUATION AND QUALIFYING ACCOUNTS (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Allowance for Doubtful Accounts, Service Credits and Other
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at the Beginning of the Period	$ 1,300	$ 2,221	$ 2,052
Charged to Operations	1,290	1,128	1,955
Write-offs	(1,304)	(2,049)	(1,786)
Balance at the End of the Period	1,286	1,300	2,221
Inventory Excess and Obsolete Reserves
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at the Beginning of the Period	175	75	49
Charged to Operations	1,066	100	180
Write-offs	(1,027)	0	(154)
Balance at the End of the Period	214	175	75
Deferred Income Tax Asset Valuation Allowance
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at the Beginning of the Period	114,190	119,277	118,723
Charged to Operations	0	0	554
Write-offs	(68,413)	(5,087)	0
Balance at the End of the Period	$ 45,777	$ 114,190	$ 119,277