Goodwill And Other Intangible Assets (Tables)

12 Months Ended

Jul. 31, 2012

Goodwill And Other Intangible Assets [Abstract]

Reconciliation Of Goodwill

	Engine Products			Industrial Products			Total Goodwill
	(thousands of dollars)
Balance as of July 31, 2010	$	60,914		$	104,401		$	165,315
Goodwill transferred		11,258			(11,258	)		—
Disposition activity		—			(325	)		(325	)
Foreign exchange translation		794			5,957			6,751
Balance as of July 31, 2011	$	72,966		$	98,775		$	171,741
Foreign exchange translation		(1,219	)		(7,573	)		(8,792	)
Balance as of July 31, 2012	$	71,747		$	91,202		$	162,949

Reconciliation Of Intangible Assets

	Gross Carrying Amount			Accumulated Amortization			Net Intangible Assets
	(thousands of dollars)
Balance as of July 31, 2010	$	83,487		$	(25,195	)	$	58,292
Amortization expense		—			(5,917	)		(5,917	)
Foreign exchange translation		1,952			(831	)		1,121
Balance as of July 31, 2011	$	85,439		$	(31,943	)	$	53,496
Amortization expense		—			(5,778	)		(5,778	)
Retirements		(1,530	)		1,530			—
Foreign exchange translation		(3,834	)		2,316			(1,518	)
Balance as of July 31, 2012	$	80,075		$	(33,875	)	$	46,200

Expected Amortization Expense Relating To Existing Intangible Assets

Fiscal Year
2013	$	5,418
2014	$	5,045
2015	$	4,950
2016	$	4,948
2017	$	4,530