Fair Value Measurements and Financial Instruments (Tables)

6 Months Ended

Jul. 01, 2017

Fair Value Disclosures [Abstract]

Assets and liabilities measured at fair value on a recurring basis [Table Text Block]

Our assets and liabilities measured at fair value on a recurring basis at July 1, 2017 were as follows:

			Fair Value Measurements at July 1, 2017 Using:
Assets and Liabilities Recorded at Fair Value on a Recurring Basis	Total Carrying Value at July 1, 2017		Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Assets invested for self-insurance, classified as other assets, noncurrent	$	16,933	$	16,933	$	—	$	—
Liabilities:
Deferred compensation	$	1,985	$	—	$	1,985	$	—

N. Fair Value Measurements and Financial Instruments (continued)

Our assets and liabilities measured at fair value on a recurring basis at December 31, 2016 were as follows:

			Fair Value Measurements at December 31, 2016 Using:
Assets and Liabilities Recorded at Fair Value on a Recurring Basis	Total Carrying Value at December 31, 2016		Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Assets invested for self-insurance, classified as other assets, noncurrent	$	15,492	$	15,492	$	—	$	—
Liabilities:
Deferred compensation	$	1,837	$	—	$	1,837	$	—

Financial instruments recorded at historical carrying value [Table Text Block]

Financial instruments classified as noncurrent liabilities and their carrying values and fair values were as follows:

	July 1, 2017				December 31, 2016
	Carrying Value		Fair Value		Carrying Value		Fair Value
Revolving credit facility, noncurrent	$	102,500	$	102,500	$	67,000	$	67,000
Senior unsecured notes	18,000		18,497		18,000		18,509
Term loans, noncurrent	9,060		11,270		7,623		9,854
Total	$	129,560	$	132,267	$	92,623	$	95,363