CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2017	Oct. 01, 2016	Sep. 30, 2017	Oct. 01, 2016
Sales		$ 6,953,740	$ 5,936,092	$ 19,178,638	$ 17,382,370
Cost of sales		6,110,382	5,162,930	16,751,427	15,061,519
Gross Profit		843,358	773,162	2,427,211	2,320,851
Operating expenses:
Selling, general, and administrative expenses		552,896	510,017	1,600,762	1,534,534
Depreciation and amortization		38,574	40,194	113,096	121,516
Restructuring, integration, and other charges		15,896	24,267	55,817	61,161
Total operating expenses		607,366	574,478	1,769,675	1,717,211
Operating income		235,992	198,684	657,536	603,640
Equity in earnings of affiliated companies		1,216	1,311	2,865	5,394
Loss on investment, net		15,000	0	14,250	0
Loss on extinguishment of debt		786	0	59,545	0
Interest and other financing expense, net		39,748	37,229	120,179	111,828
Income before income taxes		181,674	162,766	466,427	497,206
Provision for income taxes		46,199	44,931	114,998	137,441
Consolidated net income		135,475	117,835	351,429	359,765
Noncontrolling interests		845	108	3,352	1,533
Net income attributable to shareholders		$ 134,630	$ 117,727	$ 348,077	$ 358,232
Net income per share:
Basic		$ 1.52	$ 1.29	$ 3.92	$ 3.92
Diluted	[1]	$ 1.50	$ 1.28	$ 3.87	$ 3.87
Weighted-average shares outstanding:
Basic		88,453	90,937	88,870	91,412
Diluted		89,540	91,938	89,936	92,487

[1] Stock-based compensation awards for the issuance of 396 and 363 shares for the third quarter and first nine months of 2017 and 824 and 821 shares for the third quarter and first nine months 2016, respectively, were excluded from the computation of net income per share on a diluted basis as their effect was anti-dilutive.