Stockholders' Equity (Details) - USD ($) $ / shares in Units, $ in Thousands				3 Months Ended		9 Months Ended		12 Months Ended	16 Months Ended
	Jul. 31, 2015	Mar. 03, 2015	Feb. 28, 2014	Mar. 28, 2015	Mar. 29, 2014	Jun. 27, 2015	Jun. 28, 2014	Sep. 27, 2014	Jun. 27, 2015
Stockholders' equity
Amount authorized for repurchase of common stock	$ 3,500,000
Period of stock repurchase program	2 years
Fixed price of share repurchase						$ 918,356	$ 997,386
Value of shares remaining for repurchase under the current authorization						264,500			$ 264,500
Total cost of acquired shares						$ 918,356		$ 1,052,430
Maximum
Stockholders' equity
Additional amount authorized for repurchase of common stock	$ 1,000,000
Lavazza
Stockholders' equity
Number of shares acquired						5,231,991
Average price per share of acquired shares (in dollars per share)						$ 119.18
ASR
Stockholders' equity
Number of shares acquired						1,489,476		4,340,508	5,829,984
Average price per share of acquired shares (in dollars per share)						$ 120.07			$ 120.07
ASR | Bank
Stockholders' equity
Fixed price of share repurchase			$ 700,000		$ 700,000			$ 700,000
Number of shares acquired			4,340,508	1,489,476
Common stock
Stockholders' equity
Number of shares acquired						9,040,431
Total cost of acquired shares						$ 904
Common stock | Lavazza
Stockholders' equity
Fixed price of share repurchase		$ 623,600				$ 623,600
Number of shares acquired		5,231,991				5,231,991
Average price per share of acquired shares (in dollars per share)		$ 119.18
Stock repurchase price discount, as a percent		3.00%
Open market
Stockholders' equity
Number of shares acquired						2,318,964		3,798,084
Average price per share of acquired shares (in dollars per share)						$ 127.12		$ 92.79