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

9 Months Ended

Sep. 29, 2012

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

Schedule of accounts receivable, net [Table Text Block]

The following comprise accounts receivable, net, and other:

Accounts receivable, net	September 29, 2012		December 31, 2011
Accounts receivable	$	102,278	$	82,076
Receivables under contractual arrangements	18,855		11,194
	121,133		93,270
Less allowances for doubtful accounts	2,739		2,475
Accounts receivable, net	$	118,394	$	90,795

Other liabilities, current [Table Text Block]

The following comprise the amounts included in the balance sheet:

	September 29, 2012		December 31, 2011
Other liabilities, current
Current portion of long-term debt	$	9,710	$	5,837
Self insurance accruals	26,251		26,793
Total	$	35,961	$	32,630