Description of Long Term Debt (Parenthetical) (Detail) (USD $)
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0 Months Ended | 12 Months Ended | 12 Months Ended | 0 Months Ended | 12 Months Ended | 12 Months Ended | |||||||||||||||||||||||||||||||||||||
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May 31, 2014
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Jun. 29, 2012
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Dec. 09, 2013
Unsecured 6.25% senior notes due December 15, 2013
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May 31, 2014
Unsecured 6.25% senior notes due December 15, 2013
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May 31, 2013
Unsecured 6.25% senior notes due December 15, 2013
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May 31, 2014
Unsecured 6.70% senior notes due November 1, 2015
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May 31, 2013
Unsecured 6.70% senior notes due November 1, 2015
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May 31, 2014
Unsecured 6.50% senior notes due February 14, 2018
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May 31, 2013
Unsecured 6.50% senior notes due February 14, 2018
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May 31, 2014
Unsecured 6.125% senior note due October 15, 2019
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May 31, 2013
Unsecured 6.125% senior note due October 15, 2019
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May 27, 2011
Unsecured 6.125% senior note due October 15, 2019
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Oct. 09, 2009
Unsecured 6.125% senior note due October 15, 2019
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May 31, 2014
Unsecured 2.25% senior convertible notes due December 15, 2020
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May 31, 2013
Unsecured 2.25% senior convertible notes due December 15, 2020
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Oct. 23, 2012
Unsecured 3.45% senior notes due November 15, 2022
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May 31, 2014
Unsecured 3.45% senior notes due November 15, 2022
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May 31, 2013
Unsecured 3.45% senior notes due November 15, 2022
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Oct. 23, 2012
Unsecured 3.45% senior notes due November 15, 2022
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May 31, 2014
Revolving Credit Facilities
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May 31, 2013
Revolving Credit Facilities
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May 31, 2014
Other Borrowings
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May 31, 2013
Other Borrowings
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May 31, 2014
Unsecured 6.25% senior notes due December 15, 2013
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May 31, 2013
Unsecured 6.25% senior notes due December 15, 2013
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May 31, 2014
London Interbank Offered Rate (LIBOR)
Revolving Credit Facilities
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May 31, 2013
London Interbank Offered Rate (LIBOR)
Revolving Credit Facilities
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Debt Instrument [Line Items] | |||||||||||||||||||||||||||||||||||||||||||
Debt | $ 250,000,000 | $ 205,000,000 | $ 205,000,000 | ||||||||||||||||||||||||||||||||||||||||
Credit facility borrowing capacity | 600,000,000 | 600,000,000 | 600,000,000 | ||||||||||||||||||||||||||||||||||||||||
Debt, interest rate | 6.25% | 6.70% | [1] | 6.70% | [1] | 6.50% | [2] | 6.50% | [2] | 6.125% | [3] | 6.125% | [3] | 2.25% | 2.25% | 3.45% | 3.45% | 3.45% | 6.25% | 6.25% | |||||||||||||||||||||||
Debt, due date | Dec. 15, 2013 | Dec. 15, 2013 | Dec. 15, 2013 | Nov. 01, 2015 | [1] | Nov. 01, 2015 | [1] | Feb. 14, 2018 | [2] | Feb. 14, 2018 | [2] | Oct. 15, 2019 | [3] | Oct. 15, 2019 | [3] | Dec. 15, 2020 | Dec. 15, 2020 | Nov. 15, 2022 | Nov. 15, 2022 | Jun. 29, 2017 | [4] | Jun. 29, 2017 | [4] | ||||||||||||||||||||
Debt, maturity year | 2022 | 2017 | 2017 | ||||||||||||||||||||||||||||||||||||||||
Effective euro fixed-rate borrowing | 5.31% | 5.31% | |||||||||||||||||||||||||||||||||||||||||
Debt instrument, effective interest rate | 6.704% | 6.704% | 4.934% | 6.139% | |||||||||||||||||||||||||||||||||||||||
Amortization of debt discount premium | 1,400,000 | 1,700,000 | 200,000 | 200,000 | |||||||||||||||||||||||||||||||||||||||
Debt | 200,000,000 | 150,000,000 | 300,000,000 | 300,000,000 | |||||||||||||||||||||||||||||||||||||||
Unamortization of debt premium | $ 8,300,000 | $ 9,700,000 | |||||||||||||||||||||||||||||||||||||||||
Average interest rate | 3.96% | 4.16% | |||||||||||||||||||||||||||||||||||||||||
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