Consolidated Condensed Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 30, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 632,780	$ 697,595
Short-term investments	352,199	294,943
Accounts receivable, net	267,349	247,035
Inventories:
Finished goods	104,536	109,571
Work in process	186,935	177,350
Raw materials	127,912	120,728
Total inventories	419,383	407,649
Deferred income taxes	17,922	24,385
Prepaid expenses and other current assets	113,586	119,656
Total current assets	1,803,219	1,791,263
Property and equipment, at cost:
Land	91,614	92,348
Buildings and improvements	521,181	523,091
Machinery and equipment	2,170,652	2,163,182
Construction in progress	81,351	101,570
Allowance for depreciation	(1,977,503)	(1,965,639)
Property, Plant and Equipment, Net, Total	887,295	914,552
Goodwill	34,866	34,866
Other intangible assets, net	136,518	133,717
Other assets	135,978	141,879
Total assets	2,997,876	3,016,277
Current liabilities:
Notes payable to banks	20	6
Trade accounts payable	133,748	147,936
Payroll and related expenses	107,417	108,353
Other accrued expenses	144,182	148,660
Income taxes	11,193	7,215
Total current liabilities	396,560	412,170
Long-term debt less current portion	394,509	392,931
Deferred income taxes	126,859	129,379
Other liabilities	113,102	108,600
Accrued pension and other postretirement costs	331,529	344,961
Total liabilities	1,362,559	1,388,041
Vishay stockholders' equity
Common stock	13,147	13,114
Class B convertible common stock	1,213	1,213
Capital in excess of par value	1,999,268	1,999,901
(Accumulated deficit) retained earnings	(351,747)	(380,678)
Accumulated other comprehensive income (loss)	(31,682)	(10,222)
Total Vishay stockholders' equity	1,630,199	1,623,328
Noncontrolling interests	5,118	4,908
Total equity	1,635,317	1,628,236
Total liabilities and equity	$ 2,997,876	$ 3,016,277