Restructuring and Other Charges (Changes in Restructuring Liability) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 02, 2016	Dec. 27, 2014	Dec. 28, 2013
Restructuring Reserve [Roll Forward]
Accruals, net	$ 12,576	$ 21,526	$ 12,586
Restructuring reserve, ending balance	20,924
Employee Separation Costs [Member]
Restructuring Reserve [Roll Forward]
Accruals, net	2,608	7,229	5,831
Restructuring reserve, ending balance	279
Lease Termination [Member]
Restructuring Reserve [Roll Forward]
Accruals, net	479	2,113	1,194
Restructuring reserve, ending balance	803
Pension Withdrawal Liabilities [Member]
Restructuring Reserve [Roll Forward]
Accruals, net	4,981	1,260	453
Restructuring reserve, ending balance	19,842
Building Clean-up, Equipment Moving and Other Expenses [Member]
Restructuring Reserve [Roll Forward]
Accruals, net	2,208	5,476	2,287
Restructuring reserve, ending balance	0
2015 Plan [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	0
Accruals, net	2,629
Payments	(2,353)
Restructuring reserve, ending balance	276	0
2015 Plan [Member] | Employee Separation Costs [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	0
Accruals, net	2,119
Payments	(1,843)
Restructuring reserve, ending balance	276	0
2015 Plan [Member] | Lease Termination [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	0
Accruals, net	0
Payments	0
Restructuring reserve, ending balance	0	0
2015 Plan [Member] | Pension Withdrawal Liabilities [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	0
Accruals, net	0
Payments	0
Restructuring reserve, ending balance	0	0
2015 Plan [Member] | Building Clean-up, Equipment Moving and Other Expenses [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	0
Accruals, net	510
Payments	(510)
Restructuring reserve, ending balance	0	0
2014 Plan [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	1,506	0
Accruals, net	5,636	5,340
Payments	(3,277)	(3,834)
Restructuring reserve, ending balance	3,865	1,506	0
2014 Plan [Member] | Employee Separation Costs [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	1,506	0
Accruals, net	498	4,907
Payments	(2,001)	(3,401)
Restructuring reserve, ending balance	3	1,506	0
2014 Plan [Member] | Lease Termination [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	0	0
Accruals, net	0	0
Payments	0	0
Restructuring reserve, ending balance	0	0	0
2014 Plan [Member] | Pension Withdrawal Liabilities [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	0	0
Accruals, net	4,017	0
Payments	(155)	0
Restructuring reserve, ending balance	3,862	0	0
2014 Plan [Member] | Building Clean-up, Equipment Moving and Other Expenses [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	0	0
Accruals, net	1,121	433
Payments	(1,121)	(433)
Restructuring reserve, ending balance	0	0	0
Residual Plans [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	19,431	22,792
Accruals, net	1,249	2,965
Payments	(4,289)	(6,326)
Restructuring reserve, ending balance	16,391	19,431	22,792
Residual Plans [Member] | Employee Separation Costs [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	54	837
Accruals, net	(54)	303
Payments	0	(1,086)
Restructuring reserve, ending balance	0	54	837
Residual Plans [Member] | Lease Termination [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	677	1,400
Accruals, net	141	164
Payments	(407)	(887)
Restructuring reserve, ending balance	411	677	1,400
Residual Plans [Member] | Pension Withdrawal Liabilities [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	18,700	20,555
Accruals, net	964	1,260
Payments	(3,684)	(3,115)
Restructuring reserve, ending balance	15,980	18,700	20,555
Residual Plans [Member] | Building Clean-up, Equipment Moving and Other Expenses [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	0	0
Accruals, net	198	1,238
Payments	(198)	(1,238)
Restructuring reserve, ending balance	0	0	0
Acquisition Integration Plans [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	1,213	2,658
Accruals, net	986	11,216
Payments	(1,807)	(12,661)
Restructuring reserve, ending balance	392	1,213	2,658
Acquisition Integration Plans [Member] | Employee Separation Costs [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	77	155
Accruals, net	45	2,019
Payments	(122)	(2,097)
Restructuring reserve, ending balance	0	77	155
Acquisition Integration Plans [Member] | Lease Termination [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	1,136	2,503
Accruals, net	338	1,949
Payments	(1,082)	(3,316)
Restructuring reserve, ending balance	392	1,136	2,503
Acquisition Integration Plans [Member] | Pension Withdrawal Liabilities [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	0	0
Accruals, net	0	0
Payments	0	0
Restructuring reserve, ending balance	0	0	0
Acquisition Integration Plans [Member] | Building Clean-up, Equipment Moving and Other Expenses [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	0	0
Accruals, net	603	7,248
Payments	(603)	(7,248)
Restructuring reserve, ending balance	$ 0	$ 0	$ 0