Basis of Presentation of the Interim Unaudited Condensed Consolidated and Combined Financial Statements - Additional Information (Detail) (Successor [Member], USD $)	1 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	1 Months Ended	0 Months Ended			0 Months Ended
	Jul. 31, 2013	Sep. 30, 2013 Net Sales [Member]	Sep. 30, 2013 Net Sales [Member]	Sep. 30, 2013 Income Tax Benefit [Member]	Sep. 30, 2013 Income Tax Benefit [Member]	Oct. 31, 2014 Subsequent Event [Member]	Nov. 11, 2014 Subsequent Event [Member] Common Shares [Member]	Nov. 11, 2014 Subsequent Event [Member] Initial Public Offering [Member] Common Shares [Member]	Nov. 11, 2014 Subsequent Event [Member] Initial Public Offering [Member] Common Shares [Member]	Nov. 11, 2014 Subsequent Event [Member] Over-Allotment Option [Member] Common Shares [Member]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Stock split ratio approved by Board of Directors	100,000.00					1.69
Prior period reclassification adjustment		$ 3,400,000	$ 7,800,000	$ 10,600,000	$ 1,500,000
Initial public offering, aggregate shares sold								50,000,000		7,500,000
Initial public offering price per share									$ 19.50
Proceeds from sale of common shares in IPO							$ 0