Long-Term Debt Summary of Debt (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended														12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2011 8.5% Senior Notes, Due 2012 [Member]	Mar. 31, 2013 Senior Secured Credit Facility [Member]		Mar. 31, 2012 Senior Secured Credit Facility [Member]		Mar. 31, 2013 Subordinated Debt [Member]	Mar. 31, 2012 Subordinated Debt [Member]	Mar. 31, 2013 Subordinated Debt [Member] 10% Senior Notes Due 2016 [Member]		Mar. 31, 2012 Subordinated Debt [Member] 10% Senior Notes Due 2016 [Member]		Mar. 31, 2013 Subordinated Debt [Member] 8.5% Senior Notes, Due 2012 [Member]	Mar. 31, 2012 Subordinated Debt [Member] 8.5% Senior Notes, Due 2012 [Member]	Mar. 31, 2013 Convertible Debt [Member] 5 1/2% Convertible Senior Subordinated Notes Due 2014 [Member]	Mar. 31, 2012 Convertible Debt [Member] 5 1/2% Convertible Senior Subordinated Notes Due 2014 [Member]	Jul. 02, 2009 Convertible Debt [Member] 5 1/2% Convertible Senior Subordinated Notes Due 2014 [Member]	Mar. 31, 2013 Foreign Seasonal Debt [Member]		Mar. 31, 2012 Foreign Seasonal Debt [Member]	Mar. 31, 2013 Long-term Debt [Member]		Mar. 31, 2012 Long-term Debt [Member]	Mar. 31, 2013 Notes Payable to Banks [Member]		Mar. 31, 2012 Notes Payable to Banks [Member]		Mar. 31, 2013 Line of Credit [Member]	Mar. 31, 2012 Line of Credit [Member]	Mar. 31, 2013 Letter of Credit [Member]	Mar. 31, 2012 Senior Notes [Member] 10% Senior Notes Due 2016 [Member]	Aug. 26, 2009 Senior Notes [Member] 10% Senior Notes Due 2016 [Member]	Jul. 02, 2009 Senior Notes [Member] 10% Senior Notes Due 2016 [Member]
Debt Instrument [Line Items]
Line of credit facility, amount outstanding	$ 452,223				$ 155,000	[1]			$ 0		$ 0	[2]			$ 0		$ 0			$ 19,827			$ 1,121			$ 276,275	[3]					$ 10,557
Long-term debt, outstanding	1,194,055	1,203,035			95,000	[1]	0	[1]	619,016	621,189	619,016	[2]	615,189	[2]	0	6,000		115,000		5,173		88,226	3,030		4,088	356,836	[3]	374,532	[3]	4,138	7,239
Debt instrument, interest rate				8.50%	6.00%	[1],[4]					10.00%	[2]			8.50%		5.50%		5.50%	3.90%	[4]		7.20%	[4]		4.30%	[3],[4]							10.00%	10.00%
Short-term	356,836	374,532
Long-term debt current	6,349	7,050
Long-term debt	830,870	821,453
Long-term debt, total	837,219	828,503
Long-term Debt, by Maturity [Abstract]
2013	6,349				0	[1]			0		0	[2]			0		0			5,173			1,176			0	[3]
2014	210,933				95,000	[1]			0		0	[2]			0		115,000			0			933			0	[3]
2015	363				0	[1]			0		0	[2]			0		0			0			363			0	[3]
2016	619,299				0	[1]			619,016		619,016	[2]			0		0			0			283			0	[3]
2017	0				0	[1]			0		0	[2]			0		0			0			0			0	[3]
Later	275				0	[1]			0		0	[2]			0		0			0			275			0	[3]
Repayments of long-term debt	352,436	403,497	256,093												6,000
Unsued lines of credit	462,780
Original issue discount																																	15,984
Debt instrument, face amount																			$ 100,000														$ 635,000	$ 100,000	$ 570,000

[1] s of March 31, 2013, pursuant to Section 2.1 (A) (iv) of the Credit Agreement, the full Revolving Committed Amount was available based on the calculation of the lesser of the Revolving Committed Amount and the Working Capital Amount.

[2] epayment of $619,016 is net of original issue discount of $15,984. Total repayment will be $635,000.

[3] rimarily foreign seasonal lines of credit.

[4] eighted average rate for the twelve months ended March 31, 2013.