CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Apr. 01, 2017	Mar. 26, 2016
Cash flows from operating activities:
Net earnings	$ 39,961	$ 34,171
Adjustments to reconcile net earnings to net cash flows from operations:
Depreciation and amortization	20,827	20,598
Noncash loss on trading securities	70	995
Stock-based compensation	2,494	2,049
Defined benefit pension plan expense (benefit)	154	384
Contribution to defined benefit pension plan	(25,379)	0
Increase in restricted cash - pension	12,568	0
(Gain)/loss on sale of property, plant and equipment	(102)	144
Equity in earnings in nonconsolidated subsidiaries	0	0
Deferred income taxes	14,065	5,759
Changes in assets and liabilities:
Receivables	(12,729)	20,344
Inventories	(34,817)	(8,022)
Prepaid expenses and other assets	(9,798)	910
Accounts payable	14,124	1,383
Accrued expenses	14,020	(7,178)
Other noncurrent liabilities	612	(823)
Income taxes refundable	(87)	9,813
Net cash flows from operating activities	35,983	80,527
Cash flows from investing activities:
Purchase of property, plant and equipment	(14,168)	(13,961)
Proceeds from sale of assets	302	142
Other, net	(1,715)	(2,322)
Net cash flows from investing activities	(15,581)	(16,141)
Cash flows from financing activities:
Net borrowings under short-term agreements	198	1,352
Principal payments on long-term borrowings	(215)	(220)
Dividends paid	(8,445)	(8,571)
Dividends to noncontrolling interest	(422)	0
Purchase of treasury shares	0	(16,939)
Proceeds from exercises under stock plans	8,894	1,289
Excess tax benefits from stock option exercises	0	(66)
Purchase of common treasury shares—stock plan exercises	(2,870)	(219)
Net cash flows from financing activities	(2,860)	(23,374)
Effect of exchange rate changes on cash and cash equivalents	7,726	(2,372)
Net change in cash and cash equivalents	25,268	38,640
Cash and cash equivalents—beginning of year	399,948	349,074
Cash and cash equivalents—end of period	$ 425,216	$ 387,714