Accounts Receivable, Net and Supplemental Balance-Sheet Information (Tables)

6 Months Ended

Jul. 04, 2015

Accounts Receivable, Net and Supplemental Balance Sheet Information [Abstract]

Accounts receivable, net [Table Text Block]

Accounts receivable, net, consisted of the following:

Accounts receivable, net	July 4, 2015		December 31, 2014
Accounts receivable	$	108,997	$	98,657
Receivables under contractual arrangements	24,274		15,362
	133,271		114,019
Less allowances for doubtful accounts	2,776		2,421
Accounts receivable, net	$	130,495	$	111,598

Other current assets [Table Text Block]

Other current assets	July 4, 2015		December 31, 2014
Refundable income taxes	$	3,462	$	2,122
Prepaid expenses	8,572		14,088
Note receivable	—		4,319
Other	9,528		9,686
Total	$	21,562	$	30,215

Accrued expenses [Table Text Block]

Accrued expenses	July 4, 2015		December 31, 2014
Employee compensation	$	15,053	$	19,195
Accrued compensated absences	8,794		8,034
Self-insured medical claims	560		2,722
Customer advances, deposits	438		2,030
Taxes, other than income	2,358		2,054
Other	1,490		890
Total	$	28,693	$	34,925

Other current liabilities [Table Text Block]