Contingencies Litigation Accrual Rollforward (Details) (USD $) In Thousands, unless otherwise specified			6 Months Ended
	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2013 Current Liabilities [Member]	Jun. 30, 2012 Current Liabilities [Member]	Jun. 30, 2013 Current Liabilities [Member] Master Settlement Agreement [Member]	Jun. 30, 2012 Current Liabilities [Member] Master Settlement Agreement [Member]	Jun. 30, 2013 Current Liabilities [Member] Pending Litigation [Member]	Jun. 30, 2012 Current Liabilities [Member] Pending Litigation [Member]	Jun. 30, 2013 Non-Current Liabilities [Member]	Jun. 30, 2012 Non-Current Liabilities [Member]	Jun. 30, 2013 Non-Current Liabilities [Member] Master Settlement Agreement [Member]	Jun. 30, 2012 Non-Current Liabilities [Member] Master Settlement Agreement [Member]	Jun. 30, 2013 Non-Current Liabilities [Member] Pending Litigation [Member]	Jun. 30, 2012 Non-Current Liabilities [Member] Pending Litigation [Member]
Loss Contingencies [Line Items]
Payments due under Master Settlement Agreement, Current	$ 59,685	$ 32,970			$ 32,970	$ 51,174
Litigation Accruals, Current							1,470	1,551
Total, Current			34,440	52,725
Payments due under Master Settlement Agreement, Non-Current	35,630	52,639									52,639	49,338
Litigation Accruals, Non-Current	1,738	1,862											1,862	1,600
Total, Non-Current									54,501	50,938
Expenses			57,054	70,135	56,907	69,956	147	179	0	0	0	0	0	0
NPM Settlement Adjustment			0		0		0		(13,489)		(13,489)		0
Change in MSA obligations capitalized as inventory			364	173	364	173	0	0	0	0	0	0	0	0
Payments			(35,654)	(50,668)	(34,077)	(50,094)	(1,577)	(574)	0	0	0	0	0	0
Reclassification to non-current liabilities			3,744	(681)	3,521	(905)	223	224	(3,743)	681	(3,520)	905	(223)	(224)
Interest on withholding			18	24	0	0	18	24	99	1,557	0	1,172	99	385
Payments due under Master Settlement Agreement, Current	59,685	32,970			59,685	70,304
Litigation Accruals, Current							281	1,404
Total, Current			59,966	71,708
Payments due under Master Settlement Agreement, Non-Current	35,630	52,639									35,630	51,415
Litigation Accruals, Non-Current	1,738	1,862											1,738	1,761
Total, Non-Current									$ 37,368	$ 53,176