Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Mar. 26, 2016	Dec. 26, 2015
Current assets:
Cash and cash equivalents	$ 104,945,000	$ 115,370,000	[1]
Short-term investments	9,576,000	1,652,000	[1]
Accounts receivable, net	65,210,000	59,832,000	[1]
Inventories:
Raw materials and purchased parts	27,555,000	24,423,000	[1]
Work in process	22,476,000	20,124,000	[1]
Finished goods	4,613,000	6,801,000	[1]
Total inventory, net	54,644,000	51,348,000	[1]
Other current assets	8,657,000	6,261,000	[1]
Total current assets	243,032,000	234,463,000	[1]
Property, plant and equipment, at cost:
Land and land improvements	4,297,000	4,607,000	[1]
Buildings and building improvements	8,041,000	8,971,000	[1]
Machinery and equipment	33,272,000	31,888,000	[1]
Total Property, plant and equipment	45,610,000	45,466,000	[1]
Less accumulated depreciation and amortization	(26,962,000)	(26,466,000)	[1]
Net property, plant and equipment	18,648,000	19,000,000	[1]
Goodwill	60,814,000	60,264,000	[1]
Intangible assets, net	23,780,000	25,297,000	[1]
Other assets	6,540,000	6,322,000	[1]
Total assets	352,814,000	345,346,000	[1]
Current liabilities:
Accounts payable	33,170,000	27,290,000	[1]
Accrued compensation and benefits	14,593,000	15,628,000	[1]
Accrued warranty	4,246,000	3,785,000	[1]
Deferred profit	5,564,000	3,730,000
Income taxes payable	4,412,000	4,195,000	[1]
Other accrued liabilities	10,101,000	8,563,000	[1]
Total current liabilities	72,086,000	63,191,000	[1]
Accrued retirement benefits	15,601,000	15,397,000	[1]
Noncurrent deferred gain on sale of facility	12,781,000	13,142,000	[1]
Deferred income taxes	6,459,000	6,954,000	[1]
Noncurrent income tax liabilities	7,193,000	6,761,000	[1]
Other accrued liabilities	1,728,000	1,764,000	[1]
Stockholders' equity:
Preferred stock, $1 par value; 1,000 shares authorized, none issued	0	0	[1]
Common stock, $1 par value; 60,000 shares authorized, 26,586 shares issued and outstanding in 2016 and 26,240 shares in 2015	26,586,000	26,240,000	[1]
Paid-in capital	104,998,000	105,516,000	[1]
Retained earnings	124,666,000	128,153,000	[1]
Accumulated other comprehensive loss	(19,284,000)	(21,772,000)
Total stockholders' equity	236,966,000	238,137,000	[1]
Total liabilities and stockholder's equity	$ 352,814,000	$ 345,346,000	[1]

[1] Derived from December 26, 2015 audited financial statements