Earnings per Share Level 4 (Details) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Weighted Average Number of Shares Outstanding, Basic	47,473	45,945	47,539	45,587
Incremental Common Shares Attributable to Stock Options	11	23	12	24
Incremental Common Shares Attributable to Contingently Issuable Shares	133	68	124	63
Weighted Average Number of Shares, Restricted Stock	174	230	193	274
Incremental Common Shares Attributable to Conversion of Debt Securities	0	1,097	0	1,176
Incremental Common Shares Attributable to Call Options and Warrants	0	1,299	0	1,818
Weighted Average Number of Shares Outstanding, Diluted	47,791	48,662	47,868	48,942