Segment information (Details Textuals) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Jun. 28, 2014
Segment Reporting Information [Line Items]
Sales	$ 6,839,587	$ 6,345,475
Property, plant and equipment, net	529,294		534,999
United States [Member]
Segment Reporting Information [Line Items]
Sales	2,370,000	2,230,000
Property, plant and equipment, net	309,800		298,100
Germany [Member]
Segment Reporting Information [Line Items]
Sales	744,300	718,900
Property, plant and equipment, net	90,000		95,500
Belgium [Member]
Segment Reporting Information [Line Items]
Property, plant and equipment, net	57,600		61,000
China [Member]
Segment Reporting Information [Line Items]
Sales	738,000	730,700
Taiwan [Member]
Segment Reporting Information [Line Items]
Sales	808,700	635,900
UNITED KINGDOM
Segment Reporting Information [Line Items]
Sales	$ 360,500	$ 285,000