CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 50,275	$ 53,436
Short term investments	224,772	192,860
Accounts receivable, net of allowances for doubtful accounts of $1,547 and $685 in 2011 and 2010, respectively	73,646	53,019
Other receivables	6,040	17,553
Inventories	117,273	94,258
Production tooling, net	11,792	10,037
Prepaid expenses and other	43,860	38,653
Deferred tax asset	5,782	6,808
Total current assets	533,440	466,624
Property, plant and equipment, net	243,376	243,681
Long term investments	15,026	26,187
Intangible assets, net	100,690	83,475
Goodwill	42,926	43,219
Other assets	12,673	2,127
Total assets	948,131	865,313
Current liabilities:
Accounts payable	29,191	25,738
Accrued expenses and other liabilities	30,470	24,603
Income taxes payable	5,331	1,869
Short-term debt	89,294	0
Total current liabilities	154,286	52,210
Long-term debt	0	85,599
Employee benefits	24,462	22,269
Other long term liabilities	37,224	41,902
Deferred tax liability	23,461	11,124
Total liabilities	239,433	213,104
Commitments and contingencies (Note 7)
Stockholders' equity:
Common Stock, $0.01 par value: 100,000,000 authorized; 24,175,051 and 24,713,126 shares issued and outstanding at December 31, 2011 and 2010 , respectively	242	247
Additional paid in capital	121,940	141,973
Retained earnings	583,420	499,532
Accumulated other comprehensive income	3,096	10,457
Total stockholders' equity	708,698	652,209
Total liabilities and stockholders' equity	$ 948,131	$ 865,313