Basis of Presentation and Significant Accounting Policies (Details 3) (Affiliates of KKR)	Dec. 02, 2012
Affiliates of KKR
Noncontrolling Interest
Noncontrolling interest (as a percent)	44.70%

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

No definition available.

Name:	us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant