CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 28, 2019	Sep. 29, 2018	Sep. 28, 2019	Sep. 29, 2018
Income Statement [Abstract]
Sales	[1]	$ 7,078,118	$ 7,490,445	$ 21,578,657	$ 21,758,586
Cost of sales		6,279,277	6,566,667	19,103,219	19,033,044
Gross profit		798,841	923,778	2,475,438	2,725,542
Operating expenses:
Selling, general, and administrative expenses		522,446	575,751	1,677,734	1,719,108
Depreciation and amortization		45,231	45,532	139,739	139,201
Loss on disposition of businesses, net (Note D)		14,573	2,042	15,439	3,604
Impairments (Notes D and E)		253	0	698,246	0
Restructuring, integration, and other charges		43,120	10,143	74,692	50,497
Total operating expenses		625,623	633,468	2,605,850	1,912,410
Operating income (loss)		173,218	290,310	(130,412)	813,132
Equity in losses of affiliated companies		(1,070)	(652)	(2,155)	(808)
Gain (loss) on investments, net		1,126	1,070	7,864	(3,945)
Employee benefit plan expense		(1,071)	(1,296)	(3,349)	(3,784)
Interest and other financing expense, net		(49,882)	(54,205)	(153,426)	(160,187)
Income (loss) before income taxes		122,321	235,227	(281,478)	644,408
Provision for income taxes		29,340	57,054	30,878	155,325
Consolidated net income (loss)		92,981	178,173	(312,356)	489,083
Noncontrolling interests		850	1,640	3,744	3,541
Net income (loss) attributable to shareholders		$ 92,131	$ 176,533	$ (316,100)	$ 485,542
Net income (loss) per share:
Basic		$ 1.11	$ 2.02	$ (3.75)	$ 5.53
Diluted	[2]	$ 1.10	$ 1.99	$ (3.75)	$ 5.47
Weighted-average shares outstanding:
Basic		82,711	87,602	84,246	87,785
Diluted		83,397	88,608	84,246	88,759

[1] Includes sales related to the United States of $2,875,687 and $8,560,115 for the third quarter and first nine months of 2019 and $3,181,227 and $8,799,364 for the third quarter and first nine months of 2018, respectively.

[2] As the company reported a net loss attributable to shareholders for the first nine months of 2019, basic and diluted net loss per share attributable to shareholders are the same and stock-based compensation awards for the issuance of 1,886 shares were excluded from the computation of net income per share on a diluted basis as their effect was anti-dilutive. Stock-based compensation awards for the issuance of 1,086 shares for the third quarter of 2019, and 582 and 540 shares for the third quarter and first nine months of 2018, respectively, were excluded from the computation of net income per share on a diluted basis as their effect was anti-dilutive.