Assets and Liabilities Measured at Fair Value on Recurring Basis and Categorized using Fair Value Hierarchy (Detail) (Fair Value, Measurements, Recurring, USD $) In Thousands, unless otherwise specified
|
May 31, 2014
|
May 31, 2013
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Contingent consideration |
$ (81,296) |
$ (69,020) |
Assets (liabilities) at fair value |
44,616 |
29,274 |
Foreign currency forward contract
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Foreign currency forward contract |
2,582 |
|
Foreign currency contracts, fair value of liability |
|
(4,751) |
Cross-currency swap
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Foreign currency contracts, fair value of liability |
(19,550) |
(10,048) |
U.S. Treasury and other government
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Assets measured at fair value on recurring basis |
21,144 |
20,636 |
Foreign bonds
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Assets measured at fair value on recurring basis |
40 |
41 |
Mortgage-backed securities
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Assets measured at fair value on recurring basis |
140 |
156 |
Corporate bonds
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Assets measured at fair value on recurring basis |
1,756 |
1,968 |
Stocks | Foreign
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Assets measured at fair value on recurring basis |
1,633 |
1,334 |
Stocks | Domestic
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Assets measured at fair value on recurring basis |
39,904 |
29,365 |
Mutual funds | Foreign
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Assets measured at fair value on recurring basis |
33,340 |
20,222 |
Mutual funds | Domestic
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Assets measured at fair value on recurring basis |
44,923 |
39,371 |
Quoted Prices in Active Markets for Identical Assets (Level 1)
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Assets (liabilities) at fair value |
41,537 |
30,699 |
Quoted Prices in Active Markets for Identical Assets (Level 1) | Stocks | Foreign
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Assets measured at fair value on recurring basis |
1,633 |
1,334 |
Quoted Prices in Active Markets for Identical Assets (Level 1) | Stocks | Domestic
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Assets measured at fair value on recurring basis |
39,904 |
29,365 |
Significant Other Observable Inputs (Level 2)
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Assets (liabilities) at fair value |
84,375 |
67,595 |
Significant Other Observable Inputs (Level 2) | Foreign currency forward contract
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Foreign currency forward contract |
2,582 |
|
Foreign currency contracts, fair value of liability |
|
(4,751) |
Significant Other Observable Inputs (Level 2) | Cross-currency swap
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Foreign currency contracts, fair value of liability |
(19,550) |
(10,048) |
Significant Other Observable Inputs (Level 2) | U.S. Treasury and other government
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Assets measured at fair value on recurring basis |
21,144 |
20,636 |
Significant Other Observable Inputs (Level 2) | Foreign bonds
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Assets measured at fair value on recurring basis |
40 |
41 |
Significant Other Observable Inputs (Level 2) | Mortgage-backed securities
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Assets measured at fair value on recurring basis |
140 |
156 |
Significant Other Observable Inputs (Level 2) | Corporate bonds
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Assets measured at fair value on recurring basis |
1,756 |
1,968 |
Significant Other Observable Inputs (Level 2) | Mutual funds | Foreign
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Assets measured at fair value on recurring basis |
33,340 |
20,222 |
Significant Other Observable Inputs (Level 2) | Mutual funds | Domestic
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Assets measured at fair value on recurring basis |
44,923 |
39,371 |
Significant Unobservable Inputs (Level 3)
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Contingent consideration |
(81,296) |
(69,020) |
Assets (liabilities) at fair value |
$ (81,296) |
$ (69,020) |