Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 27, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 11,052	$ 16,593
Accounts receivable, net	216,223	180,798
Inventories	384,940	367,385
Deferred income taxes	29,874	25,835
Other current assets	31,442	27,434
Total current assets	673,531	618,045
Property, plant and equipment, net of accumulated depreciation of $163,646 and $149,696, respectively	141,633	128,669
Goodwill	203,960	192,046
Other intangibles assets, net	90,959	92,913
Deferred income taxes	31,555	42,905
Other assets	22,526	22,415
Total assets	1,164,164	1,096,993
Current liabilities:
Notes payable	0	21
Current portion of long-term debt	10,000	10,000
Accounts payable – trade	113,938	113,143
Accrued salaries and wages	36,409	35,869
Current portion of amount due to Commonwealth of Australia	0	6,659
Advances on contracts	17,963	1,900
Other accruals and payables	56,755	53,468
Income taxes payable	658	2,892
Total current liabilities	235,723	223,952
Long-term debt, excluding current portion	276,682	249,585
Deferred income taxes	4,292	5,150
Underfunded pension	137,650	148,703
Other long-term liabilities	46,479	49,410
Shareholders' equity:
Preferred stock, $1 par value, 200,000 shares authorized; none outstanding	0	0
Common stock, $1 par value, 50,000,000 shares authorized, voting, 27,099,238 and 26,881,257 shares issued, respectively	27,099	26,881
Additional paid-in capital	130,348	122,522
Retained earnings	430,864	399,473
Accumulated other comprehensive income (loss)	(117,250)	(121,590)
Less 318,825 and 277,473 shares of common stock, respectively, held in treasury, at cost	(7,723)	(7,093)
Total shareholders’ equity	463,338	420,193
Total liabilities and shareholders’ equity	$ 1,164,164	$ 1,096,993