CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($) $ in Millions	Total	BuyerQuest Acquisition	Adjustment for Adoption of Accounting Standard	Common Stock	Common Stock BuyerQuest Acquisition	Additional Paid-in Capital	Additional Paid-in Capital BuyerQuest Acquisition	Accumulated Other Comprehensive Loss	Accumulated Deficit	Accumulated Deficit Adjustment for Adoption of Accounting Standard	Treasury Stock
Balance at Dec. 28, 2019	$ 2,173		$ (1)	$ 1		$ 2,652		$ (66)	$ (89)	$ (1)	$ (325)
Balance, Shares at Dec. 28, 2019				62,042,477
Net income	45								45
Other comprehensive income (loss)	(42)							(42)
Exercise and release of incentive stock (including income tax benefits and withholding)	(4)					(4)
Exercise and release of incentive stock (including income tax benefits and withholding) (in shares)				426,591
Amortization of long-term incentive stock grants	7					7
Dividends paid on common stock	(13)					(13)
Repurchase of common stock	(30)										(30)
Balance at Mar. 28, 2020	2,135			$ 1		2,642		(108)	(45)		(355)
Balance, Shares at Mar. 28, 2020				62,469,068
Balance at Dec. 26, 2020	1,880			$ 1		2,675		(32)	(409)		(355)
Balance, Shares at Dec. 26, 2020				62,551,255
Net income	53								53
Other comprehensive income (loss)	5							5
Exercise and release of incentive stock (including income tax benefits and withholding)	(23)					(23)
Exercise and release of incentive stock (including income tax benefits and withholding) (in shares)				1,225,876
Amortization of long-term incentive stock grants	10					10
Common stock issuance related to the BuyerQuest acquisition		$ 35					$ 35
Common stock issuance related to the BuyerQuest acquisition, (in shares)					827,498
Balance at Mar. 27, 2021	$ 1,960			$ 1		$ 2,697		$ (27)	$ (356)		$ (355)
Balance, Shares at Mar. 27, 2021				64,604,629