Debt (6.750% Senior Notes due in 2020 ) - Additional Information (Detail) (6.750% Senior Notes Due in 2020 [Member], USD $) In Millions, unless otherwise specified	3 Months Ended
Apr. 04, 2015
6.750% Senior Notes Due in 2020 [Member]
Debt Instrument [Line Items]
Financing fees	$ 14.4
Amortization period of financing fees (years)	5 years

Amount of the fee that accompanies borrowing money under the debt instrument.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_DebtInstrumentFeeAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant