Contingencies Litigation Accrual Rollforward (Details) (USD $) In Thousands, unless otherwise specified													9 Months Ended
	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011	Dec. 31, 2010	Sep. 30, 2012 Master Settlement Agreement [Member]	Dec. 31, 2011 Master Settlement Agreement [Member]	Sep. 30, 2011 Master Settlement Agreement [Member]	Dec. 31, 2010 Master Settlement Agreement [Member]	Sep. 30, 2012 Pending or Threatened Litigation [Member]	Dec. 31, 2011 Pending or Threatened Litigation [Member]	Sep. 30, 2011 Pending or Threatened Litigation [Member]	Dec. 31, 2010 Pending or Threatened Litigation [Member]	Sep. 30, 2012 Current Liabilities [Member]	Sep. 30, 2011 Current Liabilities [Member]	Sep. 30, 2012 Current Liabilities [Member] Master Settlement Agreement [Member]	Sep. 30, 2011 Current Liabilities [Member] Master Settlement Agreement [Member]	Sep. 30, 2012 Current Liabilities [Member] Pending or Threatened Litigation [Member]	Sep. 30, 2011 Current Liabilities [Member] Pending or Threatened Litigation [Member]	Sep. 30, 2012 Non-Current Liabilities [Member]	Sep. 30, 2011 Non-Current Liabilities [Member]	Sep. 30, 2012 Non-Current Liabilities [Member] Master Settlement Agreement [Member]	Sep. 30, 2011 Non-Current Liabilities [Member] Master Settlement Agreement [Member]	Sep. 30, 2012 Non-Current Liabilities [Member] Pending or Threatened Litigation [Member]	Sep. 30, 2011 Non-Current Liabilities [Member] Pending or Threatened Litigation [Member]
Loss Contingencies [Line Items]
Payments due under Master Settlement Agreement, Current	$ 104,207	$ 51,174			$ 104,207	$ 51,174	$ 114,725	$ 43,888
Litigation Accruals, Current									1,336	1,551	2,943	4,183
Total, Current	105,543	52,725	117,668	48,071
Payments due under Master Settlement Agreement, Non-Current	52,022	49,338			52,022	49,338	48,757	30,205
Litigation Accruals, Non-Current	1,809	1,600							1,809	1,600	0	0
Total, Non-Current	53,831	50,938	48,757	30,205
Expenses													103,896	115,227	103,682	114,783	214	444	0	0	0	0	0	0
Change in MSA obligations capitalized as inventory													350	479	350	479	0	0	0	0	0	0	0	0
Payments													(50,778)	(28,512)	(50,094)	(26,758)	(684)	(1,754)	0	0	0	0	0	0
Reclassification to non-current liabilities													(681)	(17,667)	(905)	(17,667)	224	0	681	17,667	905	17,667	(224)	0
Interest on withholding													31	70	0	0	31	70	2,212	885	1,779	885	433	0
Payments due under Master Settlement Agreement, Current	104,207	51,174			104,207	51,174	114,725	43,888
Litigation Accruals, Current									1,336	1,551	2,943	4,183
Total, Current	105,543	52,725	117,668	48,071
Payments due under Master Settlement Agreement, Non-Current	52,022	49,338			52,022	49,338	48,757	30,205
Litigation Accruals, Non-Current	1,809	1,600							1,809	1,600	0	0
Total, Non-Current	$ 53,831	$ 50,938	$ 48,757	$ 30,205