Post Employment Plans - Target Asset Allocation Ranges (Details)	6 Months Ended
	Jun. 28, 2014
Equities [Member]
Defined Benefit Plan Disclosure [Line Items]
Long-term asset allocation range, minimum	60.00%
Long-term asset allocation range, maximum	80.00%
Bonds [Member]
Defined Benefit Plan Disclosure [Line Items]
Long-term asset allocation range, minimum	10.00%
Long-term asset allocation range, maximum	40.00%
Property [Member]
Defined Benefit Plan Disclosure [Line Items]
Long-term asset allocation range, minimum	0.00%
Long-term asset allocation range, maximum	10.00%
Other [Member]
Defined Benefit Plan Disclosure [Line Items]
Long-term asset allocation range, minimum	0.00%
Long-term asset allocation range, maximum	10.00%