External financing (Maturity Schedule) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 28, 2014
Debt Disclosure [Abstract]
2015	$ 865,088
2016	264,547
2017	301,286
2018	34
2019	0
Thereafter	650,000
Subtotal	2,080,955
Discount on notes	(2,053)
Total debt	$ 2,078,902