SCHEDULE II. VALUATION AND QUALIFYING ACCOUNTS

12 Months Ended

Dec. 31, 2017

Valuation and Qualifying Accounts [Abstract]

Schedule II Valuation and Qualifying Accounts

SCHEDULE II. VALUATION AND QUALIFYING ACCOUNTS

For the years ended December 31, 2017, 2016 and 2015:

			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 2017	$	10,424	$	5,116	$	(3,107	)	$	1,854	$	10,579
Year 2016	18,456		1,829		250			10,111		10,424
Year 2015	22,675		5,514		(4		)	9,729		18,456
Valuation allowance for deferred tax assets:
Year 2017	$	3,467	$	42,816	$	—		$	—	$	46,283
Year 2016	3,558		228		—			319		3,467
Year 2015	3,115		674		—			231		3,558

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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.