Pension and Retirement Plans - Textuals (Details) $ in Thousands		12 Months Ended
	Jul. 03, 2016 USD ($)	Jul. 02, 2016 USD ($) item	Jun. 27, 2015 USD ($)
Defined Benefit Plan Disclosure [Line Items]
The minimum hours that must be worked in a year, in order that the employee becomes eligible to join the pension plan in the following year. | item		1,000
Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Unrecognized net actuarial losses, pre-tax		$ 235,747	$ 185,819
Unrecognized actuarial losses expected to be recognized in net periodic pension cost during following year		15,400
Unrecognized prior service credit, pre-tax		2,903	4,476
Unrecognized prior service credit Expected to be recognized net periodic pension cost during following year		1,600
Contributions		$ 40,000	$ 40,000
Pension Plan | Forecast
Defined Benefit Plan Disclosure [Line Items]
Contributions	$ 40,000
Equity securities | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Target allocation percentage of investments equity securities		65.00%