Fair Value of Financial Instruments Fair Value Measurements (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred Compensation Liability, Current	$ 0	$ 1,276,000
Impairment Assessment, Amount that Undiscounted Future Cash Flows Exceed Book Value	5,000,000
Impairment Assessment, Percentage that Undiscounted Future Cash Flows Exceed Book Value	28.00%
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash surrender value of life insurance contracts		0
Deferred Compensation Liability, Classified, Noncurrent
Foreign currency forward contracts	0	0
Contingent Consideration Liability		0
Total		0
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash surrender value of life insurance contracts		1,866,000
Deferred Compensation Liability, Classified, Noncurrent		(1,276,000)
Foreign currency forward contracts	(83,000)	(169,000)
Contingent Consideration Liability		0
Total		421,000
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash surrender value of life insurance contracts		0
Deferred Compensation Liability, Classified, Noncurrent
Foreign currency forward contracts	0	0
Contingent Consideration Liability	0	(390,000)
Total		(390,000)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings	39,000	187,000
Re-Measurement of Liability [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings	(156,000)	(1,891,000)
Continuous Computing [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Business Combination, Contingent Consideration Arrangements, Measurement Period After Close Date1	36 months
Estimate of Fair Value Measurement [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash surrender value of life insurance contracts		1,866,000
Deferred Compensation Liability, Classified, Noncurrent		(1,276,000)
Foreign currency forward contracts	(83,000)	(169,000)
Contingent Consideration Liability		(390,000)
Total		$ 31,000