Contingencies (Activity in Accruals for MSA and Tobacco Litigation Schedule) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Loss Contingency Accrual [Roll Forward]
Current liabilities, beginning balance	$ 38,365	$ 36,871	$ 12,644
Expenses	175,850	166,461	169,555
NPM Settlement adjustment	299		(595)
Change in MSA obligations capitalized as inventory	182	4,936	(1,438)
Payments	(174,847)	(172,630)	(142,898)
Payments, net of credits received	(197)	0	(40)
Interest on withholding	488	281	32
Current liabilities, ending balance	42,734	38,365	36,871
Noncurrent liabilities, beginning balance	37,869	38,177	41,319
Expenses	0	0	0
NPM Settlement adjustment	0		5,703
Reclassification to/(from) non-current liabilities	2,397	2,446	(429)
Interest on withholding	1,926	2,138	2,172
Noncurrent liabilities, ending balance	37,201	37,869	38,177
Settled Litigation
Loss Contingency Accrual [Roll Forward]
Current liabilities, beginning balance	34,116	36,561	12,384
Expenses	175,538	165,471	168,820
NPM Settlement adjustment	299		(595)
Change in MSA obligations capitalized as inventory	182	4,936	(1,438)
Payments	(170,513)	(171,960)	(141,963)
Payments, net of credits received	(197)	0	(40)
Interest on withholding	0	0	0
Current liabilities, ending balance	38,767	34,116	36,561
Noncurrent liabilities, beginning balance	17,275	16,383	21,479
Expenses	0	0	0
NPM Settlement adjustment	0		5,703
Reclassification to/(from) non-current liabilities	(855)	(892)	(647)
Interest on withholding	0	0	0
Noncurrent liabilities, ending balance	17,933	17,275	16,383
Pending Litigation
Loss Contingency Accrual [Roll Forward]
Current liabilities, beginning balance	4,249	310	260
Expenses	312	990	735
NPM Settlement adjustment	0		0
Change in MSA obligations capitalized as inventory	0	0	0
Payments	(4,334)	(670)	(935)
Payments, net of credits received	0	0	0
Interest on withholding	488	281	32
Current liabilities, ending balance	3,967	4,249	310
Noncurrent liabilities, beginning balance	20,594	21,794	19,840
Expenses	0	0	0
NPM Settlement adjustment	0		0
Reclassification to/(from) non-current liabilities	3,252	3,338	218
Interest on withholding	1,926	2,138	2,172
Noncurrent liabilities, ending balance	$ 19,268	$ 20,594	$ 21,794