Overview and Basis of Presentation - Additional Information (Detail) - Segment	6 Months Ended
Jun. 30, 2015	Jul. 02, 2015
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Number of reportable segments	2
Subsequent Event [Member] \| Qelp B.V. [Member]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Percentage of outstanding capital stock acquired		100.00%

Percentage of voting equity interests acquired at the acquisition date in the business combination.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=56956515&loc=d3e1392-128463

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