Income Taxes (Significant Portions Of The Deferred Tax Assets And Deferred Tax Liabilities) (Details) - USD ($) $ in Thousands	Jan. 02, 2016	Jan. 03, 2015
Income Tax Disclosure [Abstract]
Reserves for employee compensation, deductible when paid for income tax purposes, accrued for financial reporting purposes	$ 17,033	$ 20,803
Reserves for insurance claims, deductible when paid for income tax purposes, accrued for financial reporting purposes	4,235	4,834
Other reserves, deductible when paid for income tax purposes, accrued for financial reporting purposes	7,355	3,614
Unrealized losses, deductible when realized for income tax purposes, included in other comprehensive income	425	194
Basis difference in fixed rate debt	616	1,056
Inventories, principally due to additional costs capitalized for income tax purposes	2,435	3,948
Net state and foreign operating loss and tax credit carryforwards	2,459	2,345
Total gross deferred tax assets	34,558	36,794
Less valuation allowance	(637)	(626)
Net deferred tax assets	33,921	36,168
Fixed assets, principally due to differences in depreciation, net of impairment reserves	(53,939)	(59,485)
Intangible assets, principally due to differences in amortization and acquisition basis differences	(122,846)	(117,141)
Employee compensation, principally due to change in method of accounting	(2,582)	(3,900)
Basis difference in noncurrent investments	(7,377)	(5,734)
Prepaid expenses and other costs deductible for tax, amortized for financial reporting purposes	(4,768)	(5,312)
Total gross deferred tax liabilities	(191,512)	(191,572)
Deferred income taxes, net	$ (157,591)	$ (155,404)