Contingencies Contingencies Litigation Accrual Rollforward (Details) (USD $) In Thousands, unless otherwise specified					3 Months Ended
	Mar. 31, 2012	Dec. 31, 2011	Mar. 31, 2011	Dec. 31, 2010	Mar. 31, 2012 Current Liabilities [Member]	Mar. 31, 2011 Current Liabilities [Member]	Mar. 31, 2012 Current Liabilities [Member] Pending or Threatened Litigation [Member]	Mar. 31, 2011 Current Liabilities [Member] Pending or Threatened Litigation [Member]	Mar. 31, 2012 Current Liabilities [Member] Master Settlement Agreement [Member]	Mar. 31, 2011 Current Liabilities [Member] Master Settlement Agreement [Member]	Mar. 31, 2012 Non-Current Liabilities [Member]	Mar. 31, 2011 Non-Current Liabilities [Member]	Mar. 31, 2012 Non-Current Liabilities [Member] Pending or Threatened Litigation [Member]	Mar. 31, 2011 Non-Current Liabilities [Member] Pending or Threatened Litigation [Member]	Mar. 31, 2012 Non-Current Liabilities [Member] Master Settlement Agreement [Member]	Mar. 31, 2011 Non-Current Liabilities [Member] Master Settlement Agreement [Member]
Loss Contingency Accrual [Roll Forward]
Payments due under Master Settlement Agreement, Current	$ 84,926	$ 51,174	$ 77,802	$ 43,888
Litigation Accruals, Current	1,610	1,551	2,994	4,183
Total, Current	86,536	52,725	80,796	48,071
Payments due under Master Settlement Agreement, Non-Current	49,920	49,338	30,205	30,205
Litigation Accruals, Non-Current	1,711	1,600	0	0
Total, Non-Current	51,631	50,938	30,205	30,205
Expenses					33,766	33,791	98	147	33,668	33,644	0	0	0	0	0	0
Change in MSA obligations capitalized as inventory					84	270	0	0	84	270	0	0	0	0	0	0
Payments					(272)	(1,406)	(272)	(1,406)	0	0	0	0	0	0	0	0
Reclassification to non-current liabilities					224		224		0		(224)		(224)		0
Interest on withholding					9	70	9	70	0	0	917	0	335	0	582	0
Payments due under Master Settlement Agreement, Current	84,926	51,174	77,802	43,888
Litigation Accruals, Current	1,610	1,551	2,994	4,183
Total, Current	86,536	52,725	80,796	48,071
Payments due under Master Settlement Agreement, Non-Current	49,920	49,338	30,205	30,205
Litigation Accruals, Non-Current	1,711	1,600	0	0
Total, Non-Current	$ 51,631	$ 50,938	$ 30,205	$ 30,205