Restructuring and Other Charges (Changes in Restructuring Liability) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 29, 2014	Mar. 30, 2013
Restructuring Reserve [Roll Forward]
Restructuring and other charges	$ 5,947	$ 4,182
Restructuring Reserve	25,937
Employee Severance Costs [Member]
Restructuring Reserve [Roll Forward]
Restructuring and other charges	1,368	3,178
Restructuring Reserve	724
Lease Termination Expenses [Member]
Restructuring Reserve [Roll Forward]
Restructuring and other charges	1,283	100
Restructuring Reserve	4,476
Multi-employer Pension Withdrawal Expenses [Member]
Restructuring Reserve [Roll Forward]
Restructuring and other charges	748	79
Restructuring Reserve	20,737
Building Clean-up, Equipment Moving and Other Expenses [Member]
Restructuring Reserve [Roll Forward]
Restructuring and other charges	1,332	372
Restructuring Reserve	0
2014 Plan [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	0
Restructuring and other charges	891
Payments for Restructuring	(830)
Restructuring Reserve	61
2014 Plan [Member] | Employee Severance Costs [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	0
Restructuring and other charges	862
Payments for Restructuring	(801)
Restructuring Reserve	61
2014 Plan [Member] | Lease Termination Expenses [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	0
Restructuring and other charges	0
Payments for Restructuring	0
Restructuring Reserve	0
2014 Plan [Member] | Multi-employer Pension Withdrawal Expenses [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	0
Restructuring and other charges	0
Payments for Restructuring	0
Restructuring Reserve	0
2014 Plan [Member] | Building Clean-up, Equipment Moving and Other Expenses [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	0
Restructuring and other charges	29
Payments for Restructuring	(29)
Restructuring Reserve	0
2013 Plan [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	893
Restructuring and other charges	838
Payments for Restructuring	(971)
Restructuring Reserve	760
2013 Plan [Member] | Employee Severance Costs [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	837
Restructuring and other charges	413
Payments for Restructuring	(633)
Restructuring Reserve	617
2013 Plan [Member] | Lease Termination Expenses [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	56
Restructuring and other charges	133
Payments for Restructuring	(46)
Restructuring Reserve	143
2013 Plan [Member] | Multi-employer Pension Withdrawal Expenses [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	0
Restructuring and other charges	0
Payments for Restructuring	0
Restructuring Reserve	0
2013 Plan [Member] | Building Clean-up, Equipment Moving and Other Expenses [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	0
Restructuring and other charges	292
Payments for Restructuring	(292)
Restructuring Reserve	0
2012 Plan [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	5,727
Restructuring and other charges	535
Payments for Restructuring	(31)
Restructuring Reserve	6,231
2012 Plan [Member] | Employee Severance Costs [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	0
Restructuring and other charges	0
Payments for Restructuring	0
Restructuring Reserve	0
2012 Plan [Member] | Lease Termination Expenses [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	327
Restructuring and other charges	(194)
Payments for Restructuring	(31)
Restructuring Reserve	102
2012 Plan [Member] | Multi-employer Pension Withdrawal Expenses [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	5,400
Restructuring and other charges	729
Payments for Restructuring	0
Restructuring Reserve	6,129
2012 Plan [Member] | Building Clean-up, Equipment Moving and Other Expenses [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	0
Restructuring and other charges	0
Payments for Restructuring	0
Restructuring Reserve	0
Residual Plans [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	16,172
Restructuring and other charges	537
Payments for Restructuring	(1,100)
Restructuring Reserve	15,609
Residual Plans [Member] | Employee Severance Costs [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	0
Restructuring and other charges	0
Payments for Restructuring	0
Restructuring Reserve	0
Residual Plans [Member] | Lease Termination Expenses [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	1,017
Restructuring and other charges	(46)
Payments for Restructuring	30
Restructuring Reserve	1,001
Residual Plans [Member] | Multi-employer Pension Withdrawal Expenses [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	15,155
Restructuring and other charges	19
Payments for Restructuring	(566)
Restructuring Reserve	14,608
Residual Plans [Member] | Building Clean-up, Equipment Moving and Other Expenses [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	0
Restructuring and other charges	564
Payments for Restructuring	(564)
Restructuring Reserve	0
Acquisition Integration Plans [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	2,658
Restructuring and other charges	2,567
Payments for Restructuring	(1,949)
Restructuring Reserve	3,276
Acquisition Integration Plans [Member] | Employee Severance Costs [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	155
Restructuring and other charges	93
Payments for Restructuring	(202)
Restructuring Reserve	46
Acquisition Integration Plans [Member] | Lease Termination Expenses [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	2,503
Restructuring and other charges	1,390
Payments for Restructuring	(663)
Restructuring Reserve	3,230
Acquisition Integration Plans [Member] | Multi-employer Pension Withdrawal Expenses [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	0
Restructuring and other charges	0
Payments for Restructuring	0
Restructuring Reserve	0
Acquisition Integration Plans [Member] | Building Clean-up, Equipment Moving and Other Expenses [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	0
Restructuring and other charges	1,084
Payments for Restructuring	(1,084)
Restructuring Reserve	$ 0