Schedule of Swiss Plan's Asset Allocation (Detail)	Jun. 30, 2014
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets	100.00%
Fixed Income Investments
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets	22.00%
Equity Investments
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets	54.00%
Real Estate
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets	14.00%
Cash
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets	8.00%
Alternative Investments
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets	2.00%

Percentage of fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of plan assets held.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 5

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e2446-114920

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (d)(1)

-URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920

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Data Type:	num:percentItemType
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