Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Apr. 01, 2012	Dec. 31, 2011	Mar. 27, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 1,276,337	$ 1,526,950	$ 932,515	$ 1,021,933
Marketable securities	134,946	153,380	115,209
Accounts receivable, net	264,272	219,039	297,671
Finance receivables, net	1,339,139	1,168,603	1,276,780
Restricted finance receivables held by variable interest entities, net	546,350	591,864	637,760
Inventories	467,941	418,006	372,323
Restricted cash held by variable interest entities	246,995	229,655	294,903
Other current assets	237,550	234,709	243,427
Total current assets	4,513,530	4,542,206	4,170,588
Finance receivables, net	2,020,036	1,754,441	1,806,563
Restricted finance receivables held by variable interest entities, net	1,971,878	2,271,773	2,304,320
Property, plant and equipment, net	791,064	809,459	799,091
Goodwill	29,740	29,081	30,988
Other long-term assets	279,099	267,204	293,592
Total assets	9,605,347	9,674,164	9,405,142
Current liabilities:
Accounts payable	355,902	255,713	292,676
Accrued liabilities	577,619	564,172	580,083
Short-term debt	629,143	838,486	393,393
Current portion of long-term debt	399,939	399,916
Current portion of long-term debt held by variable interest entities	620,624	640,331	721,179
Total current liabilities	2,583,227	2,698,618	1,987,331
Long-term debt	2,784,688	2,396,871	2,963,375
Long-term debt held by variable interest entities	1,133,696	1,447,015	1,603,584
Pension liability	118,212	302,483	99,627
Postretirement healthcare liability	265,871	268,582	254,505
Other long-term liabilities	144,994	140,339	156,472
Commitments and contingencies (Note 16)
Total shareholders' equity	2,574,659	2,420,256	2,340,248
Total liabilities and shareholders' equity	$ 9,605,347	$ 9,674,164	$ 9,405,142