SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS

12 Months Ended

Dec. 31, 2020

SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]

Schedule II - Valuation and Qualifying Accounts

SCHEDULE II—VALUATION AND QUALIFYING ACCOUNTS

For the Years Ended December 31, 2020, 2019 and 2018


			Additions
Description	Balance at Beginning of Period		Charged to Costs and Expenses		Charged to Other Accounts		Deductions from Reserves		Balance at End of Period
In thousands of dollars

For the year ended December 31, 2020
Allowances deducted from assets
Accounts receivable—trade, net (a)	$	24,966	$	180,764	$	—	$	(180,755)	$	24,975
Valuation allowance on net deferred taxes (b)	206,743		2,603		—		(16,036)		193,310
Inventory obsolescence reserve (c)	22,049		27,162		—		(31,508)		17,703
Total allowances deducted from assets	$	253,758	$	210,529	$	—	$	(228,299)	$	235,988

For the year ended December 31, 2019
Allowances deducted from assets
Accounts receivable—trade, net (a)	$	24,610	$	159,140	$	—	$	(158,784)	$	24,966
Valuation allowance on net deferred taxes (b)	239,959		(26,270)		—		(6,946)		206,743
Inventory obsolescence reserve (c)	20,136		27,157		—		(25,244)		22,049
Total allowances deducted from assets	$	284,705	$	160,027	$	—	$	(190,974)	$	253,758

For the year ended December 31, 2018
Allowances deducted from assets
Accounts receivable—trade, net (a)	$	41,792	$	222,819	$	—	$	(240,001)	$	24,610
Valuation allowance on net deferred taxes (b)	312,148		18,413		—		(90,602)		239,959
Inventory obsolescence reserve (c)	19,348		32,379		—		(31,591)		20,136
Total allowances deducted from assets	$	373,288	$	273,611	$	—	$	(362,194)	$	284,705

(a) Includes allowances for doubtful accounts, anticipated discounts and write-offs of uncollectible accounts receivable.

(b) Includes adjustments to the valuation allowance for deferred tax assets that we do not expect to realize, as well as the release of valuation allowances.