Post Employment Plans - Weighted Average Assumptions (Details)	6 Months Ended	12 Months Ended
	Dec. 31, 2015	Jun. 27, 2015	[1]	Jun. 28, 2014
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets	2.90%
Pension Plan [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Discount Rate, percent	2.22%	2.11%		2.90%	[2]
Inflation, percent	2.25%	1.93%		2.00%	[2]
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets	2.93%	2.85%		2.92%	[2]
Postretirement Medical Benefits [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Discount Rate, percent	4.25%	4.25%		4.25%

[1] *Includes Omega activity from March 30, 2015 to

[2] **Includes Elan activity from December 18, 2013 to June 28, 2014.