Long Term Debt - Guarantees (Narrative) (Detail) $ in Millions	Jun. 30, 2015 USD ($)
Surety Bond [Member]
Guarantee Obligations [Line Items]
Gurantees Obligations	$ 57.8
Commercial standby letters of credit [Member]
Guarantee Obligations [Line Items]
Gurantees Obligations	108.6
Bank Gurantees [Member]
Guarantee Obligations [Line Items]
Gurantees Obligations	54.2
Bank Gurantees Collaterized [Member]
Guarantee Obligations [Line Items]
Gurantees Obligations	$ 13.2

The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 460

-SubTopic 10

-Section 50

-Paragraph 4

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248

Name:	us-gaap_GuaranteeObligationsCurrentCarryingValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant