Restructuring expenses (Textuals) (Details) $ in Thousands	3 Months Ended	6 Months Ended
	Dec. 31, 2016 USD ($) employee	Dec. 31, 2016 USD ($)	Jul. 02, 2016 USD ($)
Fiscal Year 2017 Restructuring Liabilities | EM
Restructuring Cost and Reserve [Line Items]
Restructuring expenses		$ 9,900
Fiscal Year 2017 Restructuring Liabilities | TS
Restructuring Cost and Reserve [Line Items]
Restructuring expenses		6,100
Fiscal Year 2017 Restructuring Liabilities | Business Support
Restructuring Cost and Reserve [Line Items]
Restructuring expenses		5,200
Fiscal Year 2016 Restructuring Liabilities
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 9,091	$ 9,091	$ 18,537
Fiscal Year 2016 Restructuring Liabilities | Minimum
Restructuring Cost and Reserve [Line Items]
Number of employee reductions under Severance charges | employee	200