Quarterly Financial Data (unaudited) (Tables)

12 Months Ended

Dec. 28, 2019

Quarterly Financial Data (unaudited) [Abstract]

Quarterly Financial Information [Table Text Block]

The following table summarizes quarterly financial data for 2019 and 2018:

2019	First		Second		Third		Fourth
(in thousands, except per share data)	(16 weeks)		(12 weeks)		(12 weeks)		(12 weeks)
Net sales	$	2,952,036	$	2,332,246	$	2,312,106	$	2,112,614
Gross profit	$	1,304,612	$	1,009,438	$	1,011,926	$	928,769
Net income	$	142,500	$	124,820	$	123,669	$	95,907
Basic earnings per common share	$	1.99	$	1.74	$	1.76	$	1.39
Diluted earnings per common share	$	1.98	$	1.73	$	1.75	$	1.38
2018	First		Second		Third		Fourth
(in thousands, except per share data)	(16 weeks)		(12 weeks)		(12 weeks)		(12 weeks)
Net sales	$	2,873,848	$	2,326,652	$	2,274,982	$	2,105,072
Gross profit	$	1,272,284	$	1,011,559	$	1,006,927	$	928,643
Net income	$	136,727	$	117,836	$	115,843	$	53,441
Basic earnings per common share	$	1.85	$	1.59	$	1.57	$	0.74
Diluted earnings per common share	$	1.84	$	1.59	$	1.56	$	0.74