Redeemable Noncontrolling Interest - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	9 Months Ended
Sep. 29, 2012
Noncontrolling Interest [Line Items]
Redeemable Non Controlling Interest	$ 100.0
Redeemable Noncontrolling Interest Percentage	75.00%
Noncontrolling Interest Percentage	25.00%

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