Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 28, 2015	Dec. 27, 2014
Current Assets:
Cash and cash equivalents	$ 122,156	$ 76,402
Accounts receivable, net of allowance for doubtful accounts of $102 and $144 as of March 28, 2015 and December 27, 2014, respectively	44,346	36,860
Inventories	55,796	51,307
Prepaid expenses and other current assets	10,428	12,887
Income tax receivable	8,996	21,321
Deferred income taxes	8,685	8,685
Total current assets	250,407	207,462
Property, plant and equipment, net	391,366	381,569
Other assets	10,168	12,447
Goodwill	3,683	3,683
Total assets	655,624	605,161
Current Liabilities:
Accounts payable	39,361	35,576
Current portion of debt and capital lease obligations	58	55
Accrued expenses and other current liabilities	62,638	74,539
Total current liabilities	102,057	110,170
Deferred income taxes	50,712	50,717
Debt and capital lease obligations, less current portion	471	528
Other liabilities	7,265	7,606
Total liabilities	160,505	169,021
Commitments and Contingencies (See Note E)
Stockholders' Equity:
Additional paid-in capital	279,627	224,909
Accumulated other comprehensive loss, net of tax	(1,127)	(1,133)
Retained earnings	216,486	212,233
Total stockholders' equity	495,119	436,140
Total liabilities and stockholders' equity	655,624	605,161
Common Class A
Stockholders' Equity:
Common Stock	97	95
Common Class B
Stockholders' Equity:
Common Stock	$ 36	$ 36