Consolidated Condensed Statements of Cash Flow (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 24, 2012	Mar. 26, 2011
OPERATING ACTIVITIES
Net earnings	$ 31,180	$ 35,863
Adjustments to reconcile net earnings to net cash used in operating activities:
Depreciation	3,680	3,559
Amortization	71	234
Deferred income taxes	1,697	132
Stock-based compensation expense	3,659	3,281
Excess tax benefits from stock-based compensation	(3,136)	(1,316)
Pension contribution	(26,657)	(31,800)
Pension expense	6,474	4,039
Other	(3,490)	(2,077)
Changes in operating assets and liabilities:
Accounts receivable	(39,797)	(53,300)
Inventories	(28,996)	(38,757)
Other operating assets	(3,694)	(1,494)
Accounts payable	(2,684)	(4,414)
Income taxes payable	3,380	8,926
Other operating liabilities	(6,032)	(5,631)
Net cash used in operating activities	(64,345)	(82,755)
INVESTING ACTIVITIES
Additions to property, plant and equipment	(2,763)	(4,345)
Other	(585)	(640)
Net cash used in investing activities	(3,348)	(4,985)
FINANCING ACTIVITIES
Net borrowings (repayments) under revolver	59,000	30,000
Payments of long-term debt	(526)	(530)
Cash dividends paid	(6,031)	(5,331)
Purchase of common stock for treasury	(2,399)	(5,063)
Surrender of common stock for treasury	(5,444)	(1,555)
Proceeds from shares issued under stock incentive plans	3,929	7,415
Excess tax benefits from stock-based compensation	3,136	1,316
Net cash provided by financing activities	51,665	26,252
Effect of foreign exchange rate changes	(711)	2,639
Decrease in cash and cash equivalents	(16,739)	(58,849)
Cash and cash equivalents at beginning of the period	140,012	150,400
Cash and cash equivalents at end of the period	$ 123,273	$ 91,551