Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2015

Fair Value Disclosures [Abstract]

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

			Fair Value Measurements at September 30, 2015
	Total			Using Fair Value Hierarchy
Assets	Fair Value			Level 1		Level 2		Level 3
Company-owned life insurance	$	1,291		$	—	$	1,291	$	—
Total	$	1,291		$	—	$	1,291	$	—

					Fair Value Measurements at December 31, 2014
			Total			Using Fair Value Hierarchy
Assets			Fair Value			Level 1		Level 2		Level 3
Company-owned life insurance			$	1,361		$	—	$	1,361	$	—
Company-owned life insurance - Deferred compensation assets				310			—		310		—
Other deferred compensation assets
	Large capitalization registered investment companies			71			71		—		—
	Mid capitalization registered investment companies			7			7		—		—
	Small capitalization registered investment companies			13			13		—		—
	International developed and emerging markets registered
		investment companies		37			37		—		—
	Fixed income registered investment companies			6			6		—		—
Total			$	1,805		$	134	$	1,671	$	—

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

					Fair Value Measurements at December 31, 2014
			Total			Using Fair Value Hierarchy
Liabilities			Fair Value			Level 1		Level 2		Level 3
Deferred compensation liabilities
	Large capitalization registered investment companies		$	404		$	404	$	—	$	—
	Mid capitalization registered investment companies			108			108		—		—
	Small capitalization registered investment companies			90			90		—		—
	International developed and emerging markets registered
		investment companies		179			179		—		—
	Fixed income registered investment companies			40			40		—		—
	Fixed general account			160			—		160		—
Total			$	981		$	821	$	160	$	—