Summary Of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2011

Summary Of Significant Accounting Policies [Abstract]

Summary Of Available-For-Sale Securities

	December 31, 2011			January 1, 2011
Adjusted cost	$	9,236		$	9,116
Gross unrealized gains		29,649			24,988
Gross unrealized losses		(228	)		(359	)
Fair value	$	38,657		$	33,745

Schedule Of Inventories

	December 31, 2011		January 1, 2011
Finished goods	$	437,932	$	466,191
Work in process		54,144		62,607
Raw materials		132,400		138,747
	$	624,476	$	667,545

Schedule Of Product Warranty Liability

	2011			2010
Balance at beginning of year	$	25,127		$	19,911
Warranty expense recognized		15,120			7,442
Warranty credits issued		(4,100	)		(2,226	)
Balance at end of year	$	36,147		$	25,127

Schedule Of Computation Of Basic And Diluted Net Earnings Per Share

	2011		2010		2009
Numerator:
Net earnings	$	825,793	$	907,436	$	777,226
Denominator:
Basic weighted average shares outstanding		324,304		328,191		340,880
Effect of dilutive securities:
Stock options		2,649		2,297		3,456
Restricted stock units		138		—		—
Restricted stock awards		3		—		23
Diluted weighted average shares outstanding		327,094		330,488		344,359
Basic net earnings per share	$	2.55	$	2.76	$	2.28
Diluted net earnings per share	$	2.52	$	2.75	$	2.26