Related-Party Transactions (Details) (Dividend Paid [Member], Class C Common Stock [Member], Equity Sponsors [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
Apr. 02, 2013
Dividend Paid [Member] \| Class C Common Stock [Member] \| Equity Sponsors [Member]
Related Party Transaction [Line Items]
Amount paid to related party	$ 125

Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 850

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

Name:	us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration