Supplemental Stockholders' Equity Information Reclassifications Out of Accumulated Other Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 29, 2015		Mar. 30, 2014
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income tax benefit	$ 16,320		$ 2,701
Accumulated Defined Benefit Plans Adjustment [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income tax benefit	19,593	[1]
Accumulated Defined Benefit Plans Adjustment [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total reclassification, before tax	49,338	[2]
Income tax benefit	19,593
Total reclassification, net of tax	29,745
Selling, General and Administrative Expenses [Member] | Accumulated Defined Benefit Plans Adjustment [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amortization of prior service credit	(2,961)	[3]
Amortization of actuarial loss	11,970	[3]
Pension Settlement Charge [Member] | Accumulated Defined Benefit Plans Adjustment [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Pension settlement charge	$ 40,329

[1] All amounts are shown net of noncontrolling interest.

[2] There were no reclassifications relating to noncontrolling interest for the quarter ended March 29, 2015.

[3] These accumulated other comprehensive income components are included in the computation of net periodic benefit cost for pension and other retirement benefits. See Note 9 for additional information