Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 27, 2016	Dec. 27, 2015
Current assets:
Cash and cash equivalents	$ 45,524	$ 52,036
Short term investments	750	950
Accounts receivable, net	112,905	112,588
Inventories	63,826	61,769
Income taxes receivable	760	1,104
Other current assets	21,458	14,476
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment, Current	2,897	2,897
Total current assets	248,120	245,820
Accrued Income Taxes, Current	5,584	6,735
Property, plant and equipment, net	230,406	234,646
Investment in and advances to unconsolidated affiliate	2,000	2,000
Non-current deferred income taxes, net	25,299	25,598
Non-current assets	34,199	31,865
Total assets	540,024	539,929
Current liabilities:
Accounts payable	23,077	20,913
Accrued expenses	44,796	46,214
Total current liabilities	73,457	73,862
Non-current income tax liabilities	4,930	4,510
Non-current deferred income tax liabilities, net	7,960	8,094
Other non-current liabilities	41,868	39,551
Commitments and contingencies (Note 14)	0	0
Shareholders' equity:
Preferred stock, no par value, Authorized - 1,000,000 shares, Issued - none	0	0
Common stock, no par value, Authorized - 100,000,000 shares, Issued and outstanding - 26,632,794 shares, (27,155,550 shares at December 29, 2013)	86,605	88,108
Accumulated other comprehensive loss	(102,455)	(101,713)
Retained earnings	427,659	427,517
Total shareholders' equity	411,809	413,912
Total liabilities and shareholders' equity	$ 540,024	$ 539,929