CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		9 Months Ended
		Oct. 01, 2016	Sep. 26, 2015	Oct. 01, 2016	Sep. 26, 2015
Sales		$ 5,936,092	$ 5,698,304	$ 17,382,370	$ 16,530,678
Costs and expenses:
Cost of sales		5,162,930	4,955,937	15,061,519	14,334,394
Selling, general, and administrative expenses		510,017	497,876	1,534,534	1,457,160
Depreciation and amortization		40,194	40,941	121,516	117,854
Restructuring, integration, and other charges		24,267	17,756	61,161	51,099
Total Costs and Expenses		5,737,408	5,512,510	16,778,730	15,960,507
Operating income		198,684	185,794	603,640	570,171
Equity in earnings of affiliated companies		1,311	1,674	5,394	4,890
Gain on sale of investment		0	0	0	2,008
Interest and other financing expense, net		37,229	35,409	111,828	100,959
Other expense, net		0	0	0	4,443
Income before income taxes		162,766	152,059	497,206	471,667
Provision for income taxes		44,931	41,755	137,441	130,589
Consolidated net income		117,835	110,304	359,765	341,078
Noncontrolling interests		108	1,060	1,533	1,844
Net income attributable to shareholders		$ 117,727	$ 109,244	$ 358,232	$ 339,234
Net income per share:
Basic		$ 1.29	$ 1.16	$ 3.92	$ 3.56
Diluted	[1]	$ 1.28	$ 1.15	$ 3.87	$ 3.52
Weighted-average shares outstanding:
Basic		90,937	94,302	91,412	95,277
Diluted		91,938	95,363	92,487	96,302

[1] Stock-based compensation awards for the issuance of 824 and 821 shares for the third quarter and first nine months of 2016 and 759 and 656 shares for the third quarter and first nine months of 2015, respectively, were excluded from the computation of net income per share on a diluted basis as their effect was anti-dilutive.