Guarantees, Other Contingent Liabilities, And Other Matters (Details)	0 Months Ended	1 Months Ended	3 Months Ended	9 Months Ended		12 Months Ended				3 Months Ended
	Sep. 09, 2011 USD ($)	Nov. 30, 2011 USD ($)	Jun. 30, 2011 USD ($)	Dec. 31, 2012 USD ($)	Dec. 31, 2011 USD ($)	Mar. 31, 2011 USD ($)	Mar. 31, 2012 USD ($)	Sep. 09, 2011 EUR (€)	Nov. 15, 2005 EUR (€)	Jun. 30, 2011 Cummulative fifteen month proceeds [Member] USD ($)
Loss Contingencies [Line Items]
Company total exposure under guarantees				$ 30,000,000
Guarantee face amount including unpaid accrued interest				35,000,000	38,000,000		26,000,000
Fair value of the guarantees				5,025,000	4,837,000		5,932,000
Other contingent liabilities				6,000,000
Charge for European Commission fines in Italy	49,100,000
Fines imposed by European Commission								30,000,000	30,000,000
Accumulated interest on European Commission fine								5,900,000
Expected resolution time for appeal, months				15
Advances to suppliers current and noncurrent				186,000,000	187,000,000		225,000,000
Valuation allowance amount related to advances to suppliers				56,000,000	78,000,000		74,000,000
Provision for loss on uncollectible advances to suppliers				3,000,000	10,000,000
Aggregate balance of recoverable value added tax credits				77,000,000	83,000,000		82,000,000
Valuation allowance on recoverable value added tax credits				26,000,000	25,000,000		25,000,000
Brazil audit assessment for tax, penalties, and interest on recoverable value added tax credits				23,000,000
Reduced Brazil audit assessment for tax, penalties, and interest on recoverable value added tax credits				18,000,000
Estimate of possible loss on remaining VAT audit assessment				18,000,000
Cash received in property exchange		9,400,000
Number of warehouses acquired in property exchange		2
Fair value of land and buildings acquired in property exchange		11,200,000
Gain on sale of property in Brazil		11,100,000		0	11,111,000
Proceeds from insurance settlement, investing activities			9,933,000	0	9,933,000
Gain on property and equipment fire loss insurance settlement			9,592,000	0	9,592,000
Gain on business interruption insurance settlement			2,100,000			4,800,000				6,900,000
Reversal of statutory severance liability due to law change in Malawi			$ 4,000,000