Subsequent Event Downgrade of Company's Corporate Credit Rating (Details) $ in Thousands	3 Months Ended
	Jun. 30, 2016 USD ($)
Subsequent Events [Abstract]
Available credit line and cash	$ 643,365
Cash and cash equivalents	158,211
Short-term Debt [Line Items]
Available borrowing capacity	$ 485,154
Notes Payable to Banks | Minimum
Short-term Debt [Line Items]
Debt instrument, term	180 days
Notes Payable to Banks | Maximum
Short-term Debt [Line Items]
Debt instrument, term	270 days
Letter of Credit
Short-term Debt [Line Items]
Available borrowing capacity	$ 10,713
Senior Secured Second Lien Notes, 9.875% | Notes Payable to Banks
Short-term Debt [Line Items]
Stated interest rate	9.875%
U.S. Revolving Credit Facility | Domestic Line of Credit
Short-term Debt [Line Items]
Available borrowing capacity	$ 10,259
Foreign Seasonal Credit Lines | Foreign Line of Credit
Short-term Debt [Line Items]
Available borrowing capacity	$ 474,895