Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended										12 Months Ended
	Dec. 31, 2015	Oct. 03, 2015	Jul. 04, 2015	Apr. 04, 2015	Dec. 31, 2014	Sep. 27, 2014	Jun. 28, 2014	Mar. 29, 2014	Sep. 28, 2013	Mar. 30, 2013	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income (loss) from continuing operations before taxes and noncontrolling interests [Abstract]
Domestic											$ (40,929)	$ (50,106)	$ (26,065)
Foreign											115,669	217,249	202,470
Income before taxes											74,740	167,143	176,405
Current income tax expense:
Federal											290	(27,031)	(603)
State and local											163	386	280
Foreign											63,573	60,282	51,225
Total current income tax expense											64,026	33,637	50,902
Deferred income tax expense:
Federal											78,933	7,999	2,215
State and local											311	204	92
Foreign											39,203	7,460	(573)
Total deferred income tax expense											118,447	15,663	1,734
Total income tax expense											182,473	49,300	52,636
Deferred tax assets:
Pension and other retiree obligations	$ 40,322				$ 43,393						40,322	43,393
Inventories	7,848				8,013						7,848	8,013
Net operating loss carryforwards	183,298				198,677						183,298	198,677
Tax credit carryforwards	23,512				25,046						23,512	25,046
Other accruals and reserves	35,176				32,376						35,176	32,376
Total gross deferred tax assets	290,156				307,505						290,156	307,505
Less valuation allowance	(167,932)				(186,614)						(167,932)	(186,614)
Deferred tax assets, net	122,224				120,891						122,224	120,891
Deferred tax liabilities:
Tax over book depreciation	(4,038)				(10,257)						(4,038)	(10,257)
Intangible assets other than goodwill	(3,922)				(20,507)						(3,922)	(20,507)
Earnings not permanently reinvested	(162,667)				(25,334)						(162,667)	(25,334)
Convertible debentures	(188,978)				(175,935)						(188,978)	(175,935)
Other - net	(5,323)				(3,590)						(5,323)	(3,590)
Total gross deferred tax liabilities	(364,928)				(235,623)						(364,928)	(235,623)
Net deferred tax assets (liabilities)	(242,704)				(114,732)						(242,704)	(114,732)
Reconciliation of income tax expense at federal statutory rate to actual income tax provision [Abstract]
Tax at statutory rate											26,159	58,500	61,742
State income taxes, net of U.S. federal tax benefit											309	384	242
Effect of foreign operations											(13,212)	(27,372)	(18,696)
Tax on earnings not permanently reinvested											163,699	25,728	0
Unrecognized tax benefits											(1,353)	(21,603)	2,862
Change in valuation allowance on deferred tax asset											(8,888)	0	(285)
Foreign income taxable in the U.S.											7,025	13,499	11,961
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Amount											8,305	0	0
Effect of statutory rate changes on deferred tax assets											(408)	226	(2,867)
Other											837	(62)	(2,323)
Total income tax expense											182,473	49,300	52,636
Net operating loss carryforwards [Abstract]
Discrete Tax Items Included Income Tax Expense	152,437	$ 0	$ 0	$ 0	(1,228)	$ 0	$ 0	$ 0	$ (2,867)	$ (1,330)	152,437	(1,228)	(4,197)
Discrete Tax Items Repatriation	163,954
Discrete Tax Items Other	(11,517)
Expected repatriation											300,000	53,000
Income tax uncertainties [Abstract]
Cash repatriated during the current period											53,000
Foreign earnings without provision for US Tax	2,382,749										2,382,749
Net income taxes paid (refunded)											49,301	62,051	44,757
Company accrued interest and penalties related to the unrecognized tax benefits	3,887				3,104						3,887	3,104
Company recognized interest and penalties.											785	1,839	2,218
Unrecognized tax benefits [Roll Forward]
Balance at beginning of year				$ 26,583				$ 45,877		$ 51,771	26,583	45,877	51,771
Addition based on tax positions related to the current year											1,439	1,641	0
Addition based on tax positions related to prior years											1,894	6,484	4,015
Currency translation adjustments											(1,370)	(1,387)	310
Reduction based on tax positions related to prior years											0	0	(2,054)
Reduction for settlements											(4,879)	(3,556)	(7,316)
Reduction for lapses of statute of limitation											(140)	(22,476)	(849)
Balance at end of year	23,527				$ 26,583						23,527	26,583	$ 45,877
Current Year Earnings [Member]
Net operating loss carryforwards [Abstract]
Expected repatriation											20,000
Prior Year Earnings [Member]
Net operating loss carryforwards [Abstract]
Expected repatriation											280,000
Minimum [Member]
Operating Loss Carryforwards [Line Items]
Decrease in Unrecognized Tax Benefits is Reasonably Possible	110										110
Maximum [Member]
Operating Loss Carryforwards [Line Items]
Decrease in Unrecognized Tax Benefits is Reasonably Possible	5,240										5,240
AUSTRIA [Member]
Net operating loss carryforwards [Abstract]
Net operating loss carryforward	14,373										$ 14,373
Expiration date											No expiration
BELGIUM [Member]
Net operating loss carryforwards [Abstract]
Net operating loss carryforward	155,397										$ 155,397
Expiration date											No expiration
BRAZIL [Member]
Net operating loss carryforwards [Abstract]
Net operating loss carryforward	10,342										$ 10,342
Expiration date											No expiration
Germany [Member]
Net operating loss carryforwards [Abstract]
Net operating loss carryforward	38,612										$ 38,612
Expiration date											No expiration
Israel [Member]
Net operating loss carryforwards [Abstract]
Net operating loss carryforward	44,625										$ 44,625
Expiration date											No expiration
NETHERLANDS [Member]
Net operating loss carryforwards [Abstract]
Net operating loss carryforward	23,141										$ 23,141
NETHERLANDS [Member] | Minimum [Member]
Net operating loss carryforwards [Abstract]
Expiration date											2016
NETHERLANDS [Member] | Maximum [Member]
Net operating loss carryforwards [Abstract]
Expiration date											2024
The Republic of China (Taiwan) [Member]
Net operating loss carryforwards [Abstract]
Net operating loss carryforward	6,129										$ 6,129
The Republic of China (Taiwan) [Member] | Minimum [Member]
Net operating loss carryforwards [Abstract]
Expiration date											2024
The Republic of China (Taiwan) [Member] | Maximum [Member]
Net operating loss carryforwards [Abstract]
Expiration date											2025
California [Member]
Net operating loss carryforwards [Abstract]
Net operating loss carryforward	54,646										$ 54,646
California [Member] | Minimum [Member]
Net operating loss carryforwards [Abstract]
Expiration date											2016
California [Member] | Maximum [Member]
Net operating loss carryforwards [Abstract]
Expiration date											2035
Pennsylvania [Member]
Net operating loss carryforwards [Abstract]
Net operating loss carryforward	729,897										$ 729,897
Pennsylvania [Member] | Minimum [Member]
Net operating loss carryforwards [Abstract]
Expiration date											2018
Pennsylvania [Member] | Maximum [Member]
Net operating loss carryforwards [Abstract]
Expiration date											2035
United States [Member]
Net operating loss carryforwards [Abstract]
Net operating loss carryforward	72,175										$ 72,175
United States [Member] | Minimum [Member]
Net operating loss carryforwards [Abstract]
Expiration date											2033
United States [Member] | Maximum [Member]
Net operating loss carryforwards [Abstract]
Expiration date											2035
California Research Credit [Member]
Available tax credit carryforwards [Abstract]
California Research Credit	11,415										$ 11,415
Expiration Date											No expiration
U.S. Foreign Tax Credit [Member]
Available tax credit carryforwards [Abstract]
Federal Alternative Minimum Tax	11,093										$ 11,093
U.S. Foreign Tax Credit [Member] | Minimum [Member]
Available tax credit carryforwards [Abstract]
Expiration Date											2020.00
U.S. Foreign Tax Credit [Member] | Maximum [Member]
Available tax credit carryforwards [Abstract]
Expiration Date											2022.00
BCcomponents acquisition [Member]
Net operating loss carryforwards [Abstract]
Net operating loss carryforward	$ 57,603										$ 57,603
Valuation allowances											$ 19,579	$ 21,833