Derivatives (Tables)

6 Months Ended

Jun. 30, 2011

Fair Value Hedging [Member]

Derivative Instruments, Gain (Loss) [Line Items]

Impact on the Consolidated Condensed Statements of Earnings related to Fair Value Hedges

	Location of Gain (Loss)	Three months ended June 30,						Six months ended June 30,
Fair Value Hedging Relationship	Recognized in Income	2011			2010			2011			2010
		(In thousands)
Derivatives: Interest rate swaps	Interest expense	$	2,161			2,098		$	1,012			4,125
Hedged items: Fixed-rate debt	Interest expense		(2,161	)		(2,098	)		(1,012	)		(4,125	)
Total		$	—			—		$	—			—

Cash Flow Hedging [Member]

Derivative Instruments, Gain (Loss) [Line Items]

Impact on the Consolidated Condensed Statements of Earnings related to Fair Value Hedges

	Amount of Loss Recognized in
	Accumulated Other Comprehensive			Amount of Gain Reclassified from
	Income (OCI) on Derivative			Accumulated OCI into Income
	Three and six months ended June 30,		Location of Gain Reclassified from	Three and six months ended June 30,
Cash Flow Hedging Relationship	2011		Accumulated OCI into Income	2011
	(In thousands)			(In thousands)
Foreign currency forward contract	$	136	Miscellaneous income, net	$	4,173