Summarized Disaggregated Revenue From Contracts With Customers By Product Line (Detail)		3 Months Ended
		Jul. 28, 2018	Jul. 29, 2017
Segment Reporting Information [Line Items]
Sales by Product Line		100.00%	100.00%
Media
Segment Reporting Information [Line Items]
Sales by Product Line	[1]	71.00%	73.00%
Digital
Segment Reporting Information [Line Items]
Sales by Product Line	[2]	3.00%	3.00%
Other
Segment Reporting Information [Line Items]
Sales by Product Line	[3]	26.00%	24.00%

[1] (a) Includes tangible books, music, movies, rentals and newsstand.

[2] (b) Includes NOOK®, related accessories, eContent and warranties.

[3] (c) Includes Toys & Games, café products, gifts and miscellaneous other.