Fair Value Disclosure Fair Value (Tables)

9 Months Ended

Sep. 30, 2012

Fair Value Disclosures [Abstract]

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

The following tables summarize the assets and liabilities measured at fair value on a recurring basis as of September 30, 2012 and December 31, 2011 by level of the fair value hierarchy:

			Fair Value Measurements at September 30, 2012 Using
	Fair Value Measurements at September 30, 2012		Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
Description			(Level 1)		(Level 2)		(Level 3)
Mutual Funds:
Bond	$	2,132	$	2,132	$	—	$	—
Large Cap	1,667		1,667		—		—
International	858		858		—		—
Mid Cap	370		370		—		—
Small Cap	485		485		—		—
Balanced	302		302		—		—
Total Mutual Funds	5,814		5,814		—		—
Money Market Funds	1,956		1,956		—		—
Total Assets (1)	$	7,770	$	7,770	$	—	$	—

⁽¹⁾  At September 30, 2012, $0.4 million and $7.4 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 sheet reflecting the non-qualified Deferred Compensation Plan assets.

			Fair Value Measurements At December 31, 2011 Using
	Fair Value Measurements at December 31, 2011		Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
Description			(Level 1)		(Level 2)		(Level 3)
Mutual Funds:
Bond	$	1,967	$	1,967	$	—	$	—
Large Cap	1,463		1,463		—		—
International	1,053		1,053		—		—
Mid Cap	915		915		—		—
Small Cap	560		560		—		—
Balanced	234		234		—		—
Total Mutual Funds	6,192		6,192		—		—
Money Market Funds	1,765		1,765		—		—
Total Assets (1)	$	7,957	$	7,957	$	—	$	—

⁽¹⁾  At December 31, 2011, $0.8 million and $7.1 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 sheet reflecting the non-qualified Deferred Compensation Plan assets.