<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> DEC-27-1999
<PERIOD-END> JUN-25-2000
<CASH> 14,866
<SECURITIES> 5,397
<RECEIVABLES> 19,248
<ALLOWANCES> 456
<INVENTORY> 11,049
<CURRENT-ASSETS> 53,418
<PP&E> 327,033
<DEPRECIATION> 81,263
<TOTAL-ASSETS> 389,832
<CURRENT-LIABILITIES> 61,182
<BONDS> 119,710
0
0
<COMMON> 305
<OTHER-SE> 196,249
<TOTAL-LIABILITY-AND-EQUITY> 389,832
<SALES> 430,745
<TOTAL-REVENUES> 458,584
<CGS> 209,802
<TOTAL-COSTS> 364,163
<OTHER-EXPENSES> 53,031
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 2,474
<INCOME-PRETAX> 39,800
<INCOME-TAX> 15,283
<INCOME-CONTINUING> 24,517
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 24,517
<EPS-BASIC> 0.94
<EPS-DILUTED> 0.93
</TABLE>