SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS

12 Months Ended

Dec. 31, 2020

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

SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS

SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS

(In thousands)

Description	Balance at Beginning of Period		Additions: Charged to Costs and Expenses		Deductions: Write-offs (1) and recoveries		Balance at End of Period
Year Ended December 31, 2020:
Allowance for doubtful accounts	$	12,701	$	13,283	$	(9,966)	$	16,018
Deferred tax asset valuation allowance	$	608	$	9,456	$	(1,757)	$	8,307
Year Ended December 31, 2019:
Allowance for doubtful accounts	$	10,422	$	13,134	$	(10,855)	$	12,701
Deferred tax asset valuation allowance	$	44	$	595	$	(31)	$	608
Year Ended December 31, 2018:
Allowance for doubtful accounts	$	8,701	$	17,338	$	(15,617)	$	10,422
Deferred tax asset valuation allowance	$	197	$	—	$	(153)	$	44

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(1)     Represents specific amounts written off that were considered to be uncollectible.