Fair Value Disclosures (Details) (USD $)	3 Months Ended
	Mar. 31, 2014		Mar. 31, 2013	Dec. 31, 2013
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Restructuring Charges	$ 370,000		$ 0
Fair value of assets	8,524,000	[1]		8,995,000	[2]
Prepaid Expenses and Other Current Assets [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Deferred compensation plan assets	400,000			300,000
Other Non-Current Assets [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Deferred compensation plan assets	8,100,000	[1]		8,700,000	[1]
Bond Mutual Fund [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Fair value of assets	1,768,000			1,495,000
Large Cap Mutual Fund [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Fair value of assets	2,645,000			2,925,000
International Mutual Fund [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Fair value of assets	1,312,000			1,227,000
Mid Cap Mutual Cap [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Fair value of assets	587,000			750,000
Small Cap Mutual Funds [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Fair value of assets	638,000			738,000
Balanced Mutual Funds [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Fair value of assets	332,000			348,000
Money Market Funds [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Fair value of assets	1,242,000			1,512,000
Level 1 [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Fair value of assets	8,524,000	[1]		8,995,000	[2]
Level 1 [Member] | Bond Mutual Fund [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Fair value of assets	1,768,000			1,495,000
Level 1 [Member] | Large Cap Mutual Fund [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Fair value of assets	2,645,000			2,925,000
Level 1 [Member] | International Mutual Fund [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Fair value of assets	1,312,000			1,227,000
Level 1 [Member] | Mid Cap Mutual Cap [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Fair value of assets	587,000			750,000
Level 1 [Member] | Small Cap Mutual Funds [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Fair value of assets	638,000			738,000
Level 1 [Member] | Balanced Mutual Funds [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Fair value of assets	332,000			348,000
Level 1 [Member] | Money Market Funds [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Fair value of assets	1,242,000			1,512,000
Level 2 [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Fair value of assets	0	[1]		0	[2]
Level 2 [Member] | Bond Mutual Fund [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Fair value of assets	0			0
Level 2 [Member] | Large Cap Mutual Fund [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Fair value of assets	0			0
Level 2 [Member] | International Mutual Fund [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Fair value of assets	0			0
Level 2 [Member] | Mid Cap Mutual Cap [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Fair value of assets	0			0
Level 2 [Member] | Small Cap Mutual Funds [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Fair value of assets	0			0
Level 2 [Member] | Balanced Mutual Funds [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Fair value of assets	0			0
Level 2 [Member] | Money Market Funds [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Fair value of assets	0			0
Level 3 [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Fair value of assets	0	[1]		0	[2]
Level 3 [Member] | Bond Mutual Fund [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Fair value of assets	0			0
Level 3 [Member] | Large Cap Mutual Fund [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Fair value of assets	0			0
Level 3 [Member] | International Mutual Fund [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Fair value of assets	0			0
Level 3 [Member] | Mid Cap Mutual Cap [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Fair value of assets	0			0
Level 3 [Member] | Small Cap Mutual Funds [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Fair value of assets	0			0
Level 3 [Member] | Balanced Mutual Funds [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Fair value of assets	0			0
Level 3 [Member] | Money Market Funds [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Fair value of assets	0			0
Employee Severance [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Restructuring Charges	37,000
Real estate exit and related costs
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Restructuring Charges	303,000
Asset Write-offs [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Restructuring Charges	30,000
Restructuring Reserve, Settled without Cash	(30,000)
Accrued restructuring liability
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Restructuring Charges	370,000
Restructuring Reserve, Settled without Cash	$ (30,000)

[1] As of March 31, 2014, $0.4 million and $8.1 million are included in “Prepaid expenses and other current assets” (liability offset in “Other accrued expenses and other current liabilities”) and “Other non-current assets” (liability offset in “Deferred compensation”), respectively, in the consolidated balance sheets reflecting the non-qualified Deferred Compensation Plan assets.

[2] (1) As of December 31, 2013, $0.3 million and $8.7 million are included in “Prepaid expenses and other current assets” (liability offset in “Other accrued expenses and other current liabilities”) and “Other non-current assets” (liability offset in “Deferred compensation”), respectively, in the consolidated balance sheets reflecting the non-qualified Deferred Compensation Plan assets.