Fair Value of Financial Instruments Fair Value Measurements (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment Assessment, Amount that Undiscounted Future Cash Flows Exceed Book Value	$ 63,300,000
Impairment Assessment, Percentage that Undiscounted Future Cash Flows Exceed Book Value	84.00%
Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash surrender value of life insurance contracts	1,866,000	3,398,000
Foreign currency forward contracts	(169,000)	(297,000)
Contingent Consideration Liability	(390,000)	(2,541,000)
Total	31,000	(835,000)
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	0
Deferred Compensation Liability, Classified, Noncurrent
Foreign currency forward contracts	0	0
Contingent Consideration Liability	0	0
Total	0	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	3,398,000
Deferred Compensation Liability, Classified, Noncurrent	(1,276,000)	(1,395,000)
Foreign currency forward contracts	(169,000)	(297,000)
Contingent Consideration Liability	0	0
Total	421,000	1,706,000
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	0
Deferred Compensation Liability, Classified, Noncurrent
Foreign currency forward contracts	0	0
Contingent Consideration Liability	(390,000)	(2,541,000)	(7,594,000)
Total	(390,000)	(2,541,000)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings	187,000	857,000
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	$ (1,891,000)	$ (5,910,000)