SCHEDULE II. VALUATION AND QUALIFYING ACCOUNTS (Notes)

12 Months Ended

Dec. 31, 2015

Valuation and Qualifying Accounts [Abstract]

Schedule II Valuation and Qualifying Accounts

SCHEDULE II. VALUATION AND QUALIFYING ACCOUNTS

For the years ended December 31, 2015, 2014 and 2013:

			Additions
	Balance at				Charged to
	Beginning of		Charged to		Other Accounts			Deductions		Balance at
(in thousands)	Period		Expenses		Note (a)(b)			Note (c)(d)		End of Period
Deductions from asset accounts:
Allowance for doubtful accounts:
Year 2015	$	22,675	$	5,514	$	(4	)	$	9,729	$	18,456
Year 2014	5,631		16,257		1,399			612		22,675
Year 2013	3,274		2,549		—			192		5,631
Valuation allowance for deferred tax assets:
Year 2015	$	3,115	$	674	$	—		$	231	$	3,558
Year 2014	3,189		—		—			74		3,115
Year 2013	2,413		—		776			—		3,189

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(a) Allowance for doubtful accounts primarily includes amounts previously written off which were credited directly to this account when recovered.

(b)Valuation allowance for deferred tax assets includes current year increase to valuation allowance charged to equity and reclassifications from other balance sheet accounts.

(c) Amounts written off as uncollectible or transferred to other accounts or utilized.

(d) Reductions to valuation allowances related to deferred tax assets.