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VALUATION AND QUALIFYING ACCOUNTS

12 Months Ended

Dec. 31, 2018

SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]

VALUATION AND QUALIFYING ACCOUNTS

SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS

		For the years ended December 31, 2018, 2017 and 2016
(in thousands)		Balance at Beginning of Period				Charged to Costs and Expenses				Net (Deductions) Recoveries				Balance at End of Period
Year ended December 31, 2018
Allowance for doubtful accounts		$	4,471			$	588			$	(246	)⁽¹⁾		$	4,813
Deferred tax asset valuation allowance		$	3,994			$	—	⁽²⁾		$	(3,549	)		$	445
Reserve for obsolete or slow moving inventory		$	3,875			$	8,088			$	(1,794	)⁽³⁾		$	10,169
Year ended December 31, 2017
Allowance for doubtful accounts		$	2,553			$	1,441			$	477	⁽¹⁾		$	4,471
Deferred tax asset valuation allowance		$	356			$	3,638	⁽²⁾		$	—			$	3,994
Reserve for obsolete or slow moving inventory		$	3,052			$	5,869			$	(5,046	)⁽³⁾		$	3,875
Year ended December 31, 2016
Allowance for doubtful accounts		$	10,605			$	6,021			$	(14,073	)⁽¹⁾		$	2,553
Deferred tax asset valuation allowance		$	276			$	80	⁽²⁾		$	—			$	356
Reserve for obsolete or slow moving inventory		$	2,588			$	6,401			$	(5,937	)⁽³⁾		$	3,052

(1)

Net (deductions) recoveries in the allowance for doubtful accounts principally reflect the write-off of previously reserved accounts net of recoveries.

(2)

The valuation allowance for deferred tax assets is increased or decreased each year to reflect the state net operating losses, foreign tax credits and capital losses that management believes will not be utilized before they expire.

(3)

Net (deductions) recoveries in the reserve for obsolete or slow moving inventory principally reflect the write-off and/ or disposal of previously reserved inventory.