The percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

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- Definition

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ References

No definition available.

+ Details

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- Definition

Interest rate stated in the contractual debt agreement.

+ References

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Details

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Period Type:	duration

- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(2))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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- Definition

The amount of debt premium that was originally recognized at the issuance of the instrument that has yet to be amortized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 1A

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 21

-Paragraph 16, 20

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 7

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 9

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 20, 22

-Article 5

+ Details

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Balance Type:	credit
Period Type:	instant

Debt - Schedule of Terms and Carrying Value of Debt Instrument (Detail) In Millions, unless otherwise specified			12 Months Ended		12 Months Ended				12 Months Ended		12 Months Ended		12 Months Ended					12 Months Ended			0 Months Ended	12 Months Ended					12 Months Ended			12 Months Ended			12 Months Ended		12 Months Ended		0 Months Ended	12 Months Ended		12 Months Ended		12 Months Ended
	May 31, 2013 USD ($)	May 31, 2012 USD ($)	May 31, 2013 Senior cash pay notes [Member] USD [Member]	May 31, 2012 Senior cash pay notes [Member] USD [Member] USD ($)	May 31, 2013 Senior PIK toggle notes [Member] USD [Member]	May 31, 2012 Senior PIK toggle notes [Member] USD [Member] USD ($)	May 31, 2013 Senior PIK toggle notes [Member] USD [Member] Minimum [Member]	May 31, 2013 Senior PIK toggle notes [Member] USD [Member] Maximum [Member]	May 31, 2013 Senior subordinated notes [Member] USD [Member]	May 31, 2012 Senior subordinated notes [Member] USD [Member] USD ($)	May 31, 2013 Senior notes [Member] USD [Member] USD ($)	Aug. 08, 2012 Senior notes [Member] USD [Member]	May 31, 2013 Senior subordinated notes [Member] USD [Member] USD ($)	May 31, 2013 European facilities [Member] Euro [Member] USD ($)	May 31, 2013 European facilities [Member] Euro [Member] EUR (€)	May 31, 2012 European facilities [Member] Euro [Member] USD ($)	May 31, 2012 European facilities [Member] Euro [Member] EUR (€)	May 31, 2013 China Facility [Member] USD [Member] USD ($)	May 31, 2012 China Facility [Member] USD [Member] USD ($)	May 31, 2013 China Facility [Member] USD [Member] LIBOR [Member]	Aug. 02, 2012 Term loan facility, 25-Mar-15 [Member]	May 31, 2013 Term loan facility, 25-Mar-15 [Member] Euro [Member] USD ($)	May 31, 2013 Term loan facility, 25-Mar-15 [Member] Euro [Member] EUR (€)	May 31, 2012 Term loan facility, 25-Mar-15 [Member] Euro [Member] USD ($)	May 31, 2012 Term loan facility, 25-Mar-15 [Member] Euro [Member] EUR (€)	May 31, 2013 Term loan facility, 25-Mar-15 [Member] Euro [Member] LIBOR [Member]	May 31, 2013 Term loan facility, 25-Mar-15 [Member] USD [Member] USD ($)	May 31, 2012 Term loan facility, 25-Mar-15 [Member] USD [Member] USD ($)	May 31, 2013 Term loan facility, 25-Mar-15 [Member] USD [Member] LIBOR [Member]	May 31, 2013 Term loan facility, 25-Jul-17 [Member] Euro [Member] USD ($)	May 31, 2013 Term loan facility, 25-Jul-17 [Member] Euro [Member] EUR (€)	May 31, 2013 Term loan facility, 25-Jul-17 [Member] Euro [Member] LIBOR [Member]	May 31, 2013 Term loan facility, 25-Jul-17 [Member] USD [Member] USD ($)	May 31, 2013 Term loan facility, 25-Jul-17 [Member] USD [Member] LIBOR [Member]	May 31, 2013 Cash flow revolving credit facility, 25-Apr-17 [Member] USD/EUR [Member] USD ($)	May 31, 2013 Cash flow revolving credit facility, 25-Apr-17 [Member] USD/EUR [Member] LIBOR [Member]	Aug. 02, 2012 Cash flow revolving credit facility, 25-Apr-17 [Member] USD [Member]	May 31, 2013 Cash flow revolving credit facility, 25-Apr-17 [Member] USD [Member] USD ($)	May 31, 2013 Cash flow revolving credit facility, 25-Apr-17 [Member] USD [Member] LIBOR [Member]	May 31, 2013 Asset-based revolving credit facility [Member] Euro [Member] EUR (€)	May 31, 2013 Asset-based revolving credit facility [Member] Euro [Member] LIBOR [Member]	May 31, 2013 Asset-based revolving credit facility [Member] USD [Member] USD ($)	May 31, 2013 Asset-based revolving credit facility [Member] USD [Member] LIBOR [Member]
Debt Instrument [Line Items]
Maturity period of term loan under the credit facility			Oct. 15, 2017		Oct. 15, 2017				Oct. 15, 2017		Aug. 01, 2020		Oct. 01, 2020					Jan. 16, 2016			Mar. 25, 2015	Mar. 25, 2015	Mar. 25, 2015				Mar. 25, 2015			Jul. 25, 2017	Jul. 25, 2017		Jul. 25, 2017		Apr. 25, 2017		Apr. 25, 2017	Apr. 25, 2017		Jul. 25, 2017		Jul. 25, 2017
Interest rate description														Interest Free	Interest Free			LIBOR + 2.10%				LIBOR + 3.00%	LIBOR + 3.00%				LIBOR + 3.00%			LIBOR + 4.00%	LIBOR + 4.00%		LIBOR + 3.75%		LIBOR + 3.50%			LIBOR + 3.50%		LIBOR + 1.75%		LIBOR + 1.75%
Interest rate			10.00%				10.375%	11.125%	11.625%		6.50%	6.50%	6.50%
Debt Instruments basis spread on variable rate																				2.10%						3.00%			3.00%			4.00%		3.75%		3.50%			3.50%		1.75%		1.75%
Premium on notes	$ 37.7	$ 3.0
Total debt	$ 5,966.4	$ 5,827.8		$ 761.0		$ 771.0				$ 1,015.0	$ 1,825.0		$ 800.0	$ 2.3	€ 1.8	$ 3.5	€ 2.8	$ 6.0	$ 0			$ 217.9	€ 167.8	$ 1,039.6	€ 835.6		$ 104.3	$ 2,234.7		$ 856.4	€ 659.4		$ 2,116.8		$ 0			$ 0		€ 0		$ 0