SCHEDULE II. VALUATION AND QUALIFYING ACCOUNTS

12 Months Ended

Dec. 31, 2019

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

SCHEDULE II. VALUATION AND QUALIFYING ACCOUNTS

SCHEDULE II. VALUATION AND QUALIFYING ACCOUNTS

For the years ended December 31, 2019, 2018 and 2017:

			Additions
(in thousands)	Balance at Beginning of Period		Charged to Expenses		Charged to Other Accounts Note (1)			Deductions Note (2)		Balance at End of Period
Deductions from asset accounts:
Allowance for doubtful accounts:
Year 2019	$	10,883	$	720	$	(70	)	$	7,061	$	4,472
Year 2018	10,579		2,830		(7		)	2,519		10,883
Year 2017	10,424		5,116		(3,107		)	1,854		10,579
Valuation allowance for deferred tax assets:
Year 2019	$	46,751	$	308,808	$	—		$	—	$	355,559
Year 2018	46,283		468		—			—		46,751
Year 2017	3,467		42,816		—			—		46,283

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⁽¹⁾  For allowance for doubtful accounts, primarily includes amounts previously written off which were credited directly to this account when recovered.

⁽²⁾  For allowance for doubtful accounts, amounts written off as uncollectible or transferred to other accounts or utilized.