Condensed Consolidated Balance Sheets (current period unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 28, 2015	Dec. 27, 2014
Current assets:
Cash and cash equivalents	$ 293,631	$ 297,571
Short-term investments	3,869	4,302
Accounts receivable, less allowances	136,133	135,356
Inventories	96,159	97,391
Deferred income taxes	17,606	17,481
Prepaid expenses and other current assets	13,964	13,904
Assets held for sale	5,500	5,500
Total current assets	566,862	571,505
Property, plant and equipment:
Land	5,595	5,697
Buildings	63,380	64,609
Equipment	379,109	370,179
	448,084	440,485
Accumulated depreciation	(287,212)	(281,845)
Net property, plant and equipment	160,872	158,640
Intangible assets, net of amortization:
Patents, licenses and software	22,009	23,640
Distribution network	18,439	19,428
Customer lists, trademarks and tradenames	58,933	60,605
Goodwill	190,804	196,256
Other investments	12,862	12,056
Deferred income taxes	5,249	5,393
Other assets	22,985	23,303
Total assets	1,059,015	1,070,826
Liabilities and Equity
Accounts payable	47,385	50,793
Accrued payroll	20,744	30,511
Accrued expenses	12,122	13,059
Accrued severance	1,160	790
Accrued income taxes	9,893	9,045
Current portion of accrued post-retirement benefits	11,768	11,768
Current portion of long-term debt	87,000	88,500
Total current liabilities	190,072	204,466
Long-term debt, less current portion	102,969	106,658
Deferred income taxes	10,200	11,076
Accrued post-retirement benefits	5,073	5,147
Other long-term liabilities	15,440	15,814
Total equity	735,261	727,665
Total liabilities and equity	$ 1,059,015	$ 1,070,826