Reclassifications from Accumulated Other Comprehensive Loss ("AOCL") (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 30, 2021	Oct. 31, 2020	Oct. 30, 2021	Oct. 31, 2020
Amount Reclassified from AOCL
Amortization of actuarial losses	$ (254,630)	$ (230)	$ (698,433)	$ 261,241
Income tax expense	(57,300)	31,620	(157,200)	122,550
Total net of tax	(197,330)	(31,850)	(541,233)	138,691
Defined benefit pension plan items [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Amount Reclassified from AOCL
Amortization of actuarial losses	696	568	2,090	1,705
Income tax expense	168	138	505	414
Total net of tax	$ 528	$ 430	$ 1,585	$ 1,291