CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 26, 2015	Sep. 27, 2014	Sep. 26, 2015	Sep. 27, 2014
Sales		$ 5,698,304	$ 5,613,216	$ 16,530,678	$ 16,371,795
Costs and expenses:
Cost of sales		4,955,937	4,884,529	14,334,394	14,191,759
Selling, general, and administrative expenses		497,876	485,864	1,457,160	1,453,675
Depreciation and amortization		40,941	39,072	117,854	115,355
Restructuring, integration, and other charges		17,756	3,935	51,099	25,181
Total Costs and Expenses		5,512,510	5,413,400	15,960,507	15,785,970
Operating income		185,794	199,816	570,171	585,825
Equity in earnings of affiliated companies		1,674	2,192	4,890	4,790
Gain on sale of investment		0	29,743	2,008	29,743
Interest and other financing expense, net		35,409	27,522	100,959	86,079
Other		0	0	4,443	0
Income before income taxes		152,059	204,229	471,667	534,279
Provision for income taxes		41,755	57,377	130,589	152,175
Consolidated net income		110,304	146,852	341,078	382,104
Noncontrolling interests		1,060	(12)	1,844	236
Net income attributable to shareholders		$ 109,244	$ 146,864	$ 339,234	$ 381,868
Net income per share:
Basic		$ 1.16	$ 1.49	$ 3.56	$ 3.84
Diluted	[1]	$ 1.15	$ 1.47	$ 3.52	$ 3.80
Weighted-average shares outstanding:
Basic		94,302	98,631	95,277	99,336
Diluted		95,363	99,866	96,302	100,609

[1] Stock-based compensation awards for the issuance of 759 and 656 shares for the third quarter and first nine months of 2015 and 317 and 271 shares for the third quarter and first nine months of 2014, respectively, were excluded from the computation of net income per share on a diluted basis as their effect was anti-dilutive.