Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 29, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 381,661	$ 384,426
Trade accounts and notes receivable, net of allowance for doubtful accounts of $1,872 and $1,779	109,049	101,873
Inventories	100,499	94,074
Deferred tax assets, deferred tax charges and refundable income taxes	14,595	20,844
Other current assets	10,255	11,088
Total current assets	616,059	612,305
Property, plant and equipment, net of accumulated depreciation of $289,466 and $283,815	189,010	186,440
Other assets:
Intangible assets, net of accumulated amortization of $111,804 and $109,468	41,141	43,509
Deferred tax assets and other noncurrent tax assets	12,041	12,039
Other	25,251	21,001
Total assets	883,502	875,294
Current liabilities:
Accounts payable	41,168	38,396
Accrued payroll and related benefits	18,251	30,116
Other accrued liabilities	25,104	18,700
Deferred tax liabilities and income taxes payable	6,316	10,373
Total current liabilities	90,839	97,585
Pension benefit obligations and other liabilities	15,566	15,411
Deferred tax liabilities and other noncurrent tax liabilities	5,304	5,455
Commitments and contingent liabilities
Equity:
Preferred stock, par value $.01; 5,000,000 shares authorized; none issued and outstanding as of March 29, 2014 and December 31, 2013	0	0
Common stock, par value $.01; 400,000,000 shares authorized; issued and outstanding shares as of March 29, 2014 and December 31, 2013: 139,167,512 and 138,734,442	1,392	1,387
Additional paid-in capital	819,759	819,632
Retained deficit	(74,287)	(88,599)
Accumulated other comprehensive income	24,929	24,423
Total equity	771,793	756,843
Total liabilities and equity	$ 883,502	$ 875,294