Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 29, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 103,249	$ 38,936
Restricted cash	361	365
Accounts receivable, less allowance for bad debts of $2,171 at December 29, 2012 and $2,241 at December 31, 2011	98,131	95,807
Inventories	65,065	50,830
Income taxes refundable	0	17,042
Other current assets	10,847	9,235
Deferred income taxes	12,609	7,465
Total current assets	290,262	219,680
Property, plant and equipment, net	453,927	400,222
Intangible assets, less accumulated amortization of $73,021 at December 29, 2012 and $82,364 at December 31, 2011	337,402	362,914
Goodwill	381,369	381,369
Investment in unconsolidated subsidiary	62,495	21,733
Other assets	26,961	31,112
Total assets	1,552,416	1,417,030
Current liabilities:
Current portion of long-term debt	82	10
Accounts payable, principally trade	54,014	60,402
Accrued expenses	77,588	66,845
Total current liabilities	131,684	127,257
Long-term debt, net of current portion	250,142	280,020
Other noncurrent liabilities	61,539	58,245
Deferred income taxes	46,615	31,133
Total liabilities	489,980	496,655
Commitments and contingencies
Stockholders' equity:
Common stock, $.01 par value; 150,000,000 shares authorized, 118,622,650 and 117,591,822 shares issued at December 29, 2012 and December 31, 2011, respectively	1,186	1,176
Additional paid-in capital	603,836	587,685
Treasury stock, at cost; 807,659 and 543,384 shares at December 29, 2012 and December 31, 2011, respectively	(10,033)	(5,588)
Accumulated other comprehensive loss	(31,329)	(30,904)
Retained earnings	498,776	368,006
Total stockholders’ equity	1,062,436	920,375
Total liabilities and stockholders' equity	$ 1,552,416	$ 1,417,030