Other Intangibles Finite-Lived Intangible Asset Future Amortization Expense (Details) (USD $)	6 Months Ended
	Jun. 30, 2012
Finite-Lived Intangible Assets [Line Items]
Future Amortization Expense, Entire Fiscal Year	$ 10,012,000
Future Amortization Expense, Year One	9,096,000
Future Amortization Expense, Year Two	8,715,000
Future Amortization Expense, Year Three	7,154,000
Future Amortization Expense, Year Four	5,968,000
Future Amortization Expense, Year Five	$ 2,374,000