Valuation And Qualifying Accounts (In Thousands)

12 Months Ended

Dec. 31, 2017

Valuation and Qualifying Accounts [Abstract]

Valuation And Qualifying Accounts (In Thousands)

VALUATION AND QUALIFYING ACCOUNTS (IN THOUSANDS)

	Balance at Beginning of Period		Additions (1)		Deductions Charged to Reserves			Balance at End of Period
Year ended December 31, 2017:
Allowance for doubtful accounts (1)	$	3,161	$	3,852	$	(3,308	)	$	3,705
Accounts receivable allowances (2)	$	9,533	$	168,945	$	(166,418	)	$	12,060
Rebates, fees and returns reserves(1)	$	89,466	$	255,471	$	(244,235	)	$	100,702
Valuation allowance for deferred tax assets (3)	$	1,429	$	4,732	$	(564	)	$	5,597
Year ended December 31, 2016:
Allowance for doubtful accounts (1)	$	900	$	3,209	$	(948	)	$	3,161
Accounts receivable allowances (2)	$	10,783	$	122,792	$	(124,042	)	$	9,533
Rebates, fees and returns reserves(1)	$	45,162	$	186,941	$	(142,637	)	$	89,466
Valuation allowance for deferred tax assets (3)	$	11,859	$	632	$	(11,062	)	$	1,429
Year ended December 31, 2015:
Allowance for doubtful accounts (1)	$	—	$	900	$	—		$	900
Accounts receivable allowances (2)	$	11,618	$	93,887	$	(94,722	)	$	10,783
Rebates, fees and returns reserves(1)	$	43,892	$	120,293	$	(119,023	)	$	45,162
Valuation allowance for deferred tax assets (3)	$	33,557	$	—	$	(21,698	)	$	11,859

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⁽¹⁾  Addition to allowance for doubtful accounts are recorded in selling, general and administrative expenses. Additions to rebates, fees and returns reserves are recorded as a reduction of revenues.

⁽²⁾  Accounts receivable allowances represent discounts and other chargebacks related to the provision for our product sales.

⁽³⁾  The valuation allowance for deferred tax assets includes purchase accounting adjustments and other activity related to our acquisition of Lumara Health. At December 31, 2017, the valuation allowance related primarily to certain of our state NOL and credit carryforwards.