Discontinued Operations Discontinued Operations (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Jun. 30, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group Including Discontinued Operation Allowance for Doubtful Accounts		$ 410,000
Business Disposition Contract Sales Price	335,000,000
Proceeds from Divestiture of Businesses	143,460,000
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax	69,700,000
Discontinued Operation Transaction Expenses	11,000,000
Transaction Expenses Withheld from Sales Proceeds	5,390,000
Disposal Group Including Discontinued Operation Accumulated Amortization		42,266,000
Indemnification Agreement [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Escrow Receivable	16,800,000
Escrow Percentage of Contract Price	5.00%
Working Capital Escrow Adjustment [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Escrow Receivable	$ 1,000,000