Significant Accounting Policies (Other LTL) (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Other Commitments [Line Items]
Contract liability	$ 21.2	$ 0
total contract commitment [Member]
Other Commitments [Line Items]
Contract liability	$ 85.2

Cumulative provision for contract losses not offset against related costs accumulated on the balance sheet.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 605

-SubTopic 35

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6802688&loc=d3e57777-111642

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