CONSOLIDATED BALANCE SHEETS (Unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
CURRENT ASSETS
Cash and cash equivalents	$ 40,285	$ 50,275
Short-term investments	229,816	224,772
Accounts receivable, net of allowances of $1,950 and $1,547 at March 31, 2012 and December 31, 2011, respectively	61,377	73,646
Other receivables	8,232	6,040
Inventories	135,936	117,273
Production tooling, net	10,406	11,792
Prepaid expenses and other	44,355	43,860
Deferred tax asset	4,960	5,782
TOTAL CURRENT ASSETS	535,367	533,440
PROPERTY, PLANT AND EQUIPMENT, net	244,046	243,376
LONG TERM INVESTMENTS	21,834	15,026
INTANGIBLE ASSETS, net	99,623	100,690
GOODWILL	43,191	42,926
OTHER ASSETS	12,491	12,673
TOTAL ASSETS	956,552	948,131
CURRENT LIABILITIES
Accounts payable	28,938	29,191
Accrued expenses	26,713	30,470
Income taxes payable	6,853	5,331
Short-term debt	90,264	89,294
TOTAL CURRENT LIABILITIES	152,768	154,286
EMPLOYEE BENEFITS	24,931	24,462
OTHER LONG TERM LIABILITY	37,295	37,224
DEFERRED TAX LIABILITY	23,613	23,461
TOTAL LIABILITIES	238,607	239,433
COMMITMENTS AND CONTINGENCIES (Note 12)
SHAREHOLDERS' EQUITY
Common stock, $0.01 par value, 100,000,000 authorized, 24,280,505 and 24,175,051 shares issued and outstanding at March 31, 2012 and December 31, 2011, respectively	243	242
Additional paid-in capital	123,797	121,940
Retained earnings	583,573	583,420
Accumulated other comprehensive income	10,332	3,096
TOTAL SHAREHOLDERS' EQUITY	717,945	708,698
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 956,552	$ 948,131