Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
CURRENT ASSETS
Cash and cash equivalents	$ 35,261	$ 50,275
Short-term investments	232,821	224,772
Accounts receivable, net of allowances for doubtful accounts of $2,789 and $1,547 at June 30, 2012 and December 31, 2011, respectively	73,834	73,646
Other receivables	5,084	6,040
Inventories	130,130	117,273
Production tooling, net	10,833	11,792
Prepaid expenses and other	35,300	43,860
Deferred tax asset	5,191	5,782
TOTAL CURRENT ASSETS	528,454	533,440
PROPERTY, PLANT AND EQUIPMENT, net	235,525	243,376
LONG TERM INVESTMENTS	21,785	15,026
INTANGIBLE ASSETS, net	98,136	100,690
GOODWILL	42,720	42,926
OTHER ASSETS	13,520	12,673
TOTAL ASSETS	940,140	948,131
CURRENT LIABILITIES
Accounts payable	22,999	29,191
Accrued expenses	26,340	30,470
Income taxes payable	7,082	5,331
Short-term debt	91,241	89,294
TOTAL CURRENT LIABILITIES	147,662	154,286
EMPLOYEE BENEFITS	24,078	24,462
OTHER LONG TERM LIABILITIES	37,569	37,224
DEFERRED TAX LIABILITY	23,429	23,461
TOTAL LIABILITIES	232,738	239,433
COMMITMENTS AND CONTINGENCIES (Note 13)
SHAREHOLDERS' EQUITY
Common stock, $0.01 par value, 100,000,000 authorized, 24,179,414 and 24,175,051 shares issued and outstanding at June 30, 2012 and December 31, 2011, respectively	242	242
Additional paid-in capital	121,263	121,940
Retained earnings	586,793	583,420
Accumulated other comprehensive income (loss)	(896)	3,096
TOTAL SHAREHOLDERS' EQUITY	707,402	708,698
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 940,140	$ 948,131