Consolidated Statements of Stockholders' Equity (Parenthetical) - $ / shares	12 Months Ended
	Jun. 27, 2021	Jun. 28, 2020	Jun. 30, 2019	Jun. 24, 2018
Accounting Standards Update [Extensible List]		us-gaap:AccountingStandardsUpdate201818Member	us-gaap:AccountingStandardsUpdate201602Member
Dividends declared per share (usd per share)	$ 5.20	$ 4.60	$ 4.40
ASU 2014-09
Accounting Standards Update [Extensible List]				ASU 2014-09
ASU 2018-02
Accounting Standards Update [Extensible List]				ASU 2018-02
ASU 2016-16
Accounting Standards Update [Extensible List]				lrx:AccountingStandardsUpdate201616AMember