Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Statement [Abstract]
Net revenue	$ 2,502,175	$ 2,187,928	$ 7,318,169	$ 6,118,340
Cost of goods sold	2,173,336	1,843,589	6,146,511	5,236,035
Gross margin	328,839	344,339	1,171,658	882,305
Distribution, selling and administrative expenses	262,457	262,538	849,255	758,320
Acquisition-related and exit and realignment charges	6,380	6,382	20,967	18,500
Other operating income, net	(2,873)	(134)	(5,016)	(3,020)
Operating income	62,875	75,553	306,452	108,505
Interest expense, net	11,572	20,975	36,784	65,923
Loss on extinguishment of debt	0	308	40,433	2,580
Other expense (income), net	799	785	2,397	(1,193)
Income from continuing operations before income taxes	50,504	53,485	226,838	41,195
Income tax provision	6,375	7,404	47,224	3,863
Income from continuing operations, net of tax	44,129	46,081	179,614	37,332
Loss from discontinued operations, net of tax	0	0	0	(58,203)
Net income (loss)	$ 44,129	$ 46,081	$ 179,614	$ (20,871)
Basic income (loss) per common share:
Income from continuing operations (in usd per share)	$ 0.60	$ 0.76	$ 2.47	$ 0.61
Loss from discontinued operations (in usd per share)	0	0	0	(0.95)
Net income (loss) (in usd per share)	0.60	0.76	2.47	(0.34)
Diluted income (loss) per common share:
Income from continuing operations (in usd per share)	0.58	0.76	2.38	0.61
Loss from discontinued operations (in usd per share)	0	0	0	(0.95)
Net income (loss) (in usd per share)	$ 0.58	$ 0.76	$ 2.38	$ (0.34)