CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands		3 Months Ended
		Mar. 30, 2019	Mar. 31, 2018
Sales	[1]	$ 7,155,991	$ 6,875,613
Cost of sales		6,294,303	6,006,669
Gross profit		861,688	868,944
Operating expenses:
Selling, general, and administrative expenses		556,076	562,969
Depreciation and amortization		47,526	47,247
Loss on disposition of businesses, net		866	1,562
Restructuring, integration, and other charges		11,660	21,171
Total operating expenses		616,128	632,949
Operating income		245,560	235,995
Equity in losses of affiliated companies		(1,467)	(673)
Gain (loss) on investments, net		5,348	(2,452)
Employee benefit plan expense		1,139	1,231
Interest and other financing expense, net		51,981	45,179
Income before income taxes		196,321	186,460
Provision for income taxes		53,907	46,590
Consolidated net income		142,414	139,870
Noncontrolling interests		1,679	776
Net income attributable to shareholders		$ 140,735	$ 139,094
Net income per share:
Basic		$ 1.65	$ 1.58
Diluted	[2]	$ 1.63	$ 1.56
Weighted-average shares outstanding:
Basic		85,400	87,955
Diluted		86,319	89,035

[1] Includes sales related to the United States of $2,782,035 and $2,649,668 for the first quarter of 2019 and 2018, respectively.

[2] Stock-based compensation awards for the issuance of 903 and 415 shares for the first quarter of 2019 and 2018, respectively, were excluded from the computation of net income per share on a diluted basis as their effect was anti-dilutive.