Restructuring, integration and other expenses (Textuals) (Details) $ in Thousands	12 Months Ended
	Jul. 02, 2016 USD ($) employee	Jun. 27, 2015 USD ($)	Jun. 28, 2014 USD ($)
Fiscal Year 2016 Restructuring Liabilities
Restructuring Cost and Reserve [Line Items]
Number of employee reductions under Severance charges | employee	700
Restructuring expenses	$ 52,781
Restructuring Reserve	18,537
Environmental remediation expense	4,300
Legal fees	8,400
Fiscal Year 2016 Restructuring Liabilities | EM
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	28,600
Fiscal Year 2016 Restructuring Liabilities | TS
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	21,200
Fiscal Year 2016 Restructuring Liabilities | Business Support
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	3,000
Fiscal Year 2015 Restructuring Liabilities
Restructuring Cost and Reserve [Line Items]
Restructuring expenses		$ 58,677
Restructuring Reserve	3,555	14,466
Fiscal Year 2015 Restructuring Liabilities | EM
Restructuring Cost and Reserve [Line Items]
Restructuring expenses		26,000
Fiscal Year 2015 Restructuring Liabilities | TS
Restructuring Cost and Reserve [Line Items]
Restructuring expenses		31,900
Fiscal Year 2015 Restructuring Liabilities | Business Support
Restructuring Cost and Reserve [Line Items]
Restructuring expenses		800
Fiscal Year 2014 And Prior Restructuring Liabilities
Restructuring Cost and Reserve [Line Items]
Restructuring expenses			$ 65,749
Restructuring Reserve	$ 4,000	$ 11,800
Fiscal Year 2014 And Prior Restructuring Liabilities | EM
Restructuring Cost and Reserve [Line Items]
Restructuring expenses			41,300
Fiscal Year 2014 And Prior Restructuring Liabilities | TS
Restructuring Cost and Reserve [Line Items]
Restructuring expenses			23,100
Fiscal Year 2014 And Prior Restructuring Liabilities | Business Support
Restructuring Cost and Reserve [Line Items]
Restructuring expenses			$ 1,300