Acquisitions - Additional Information (Detail) (USD $)	6 Months Ended	0 Months Ended	12 Months Ended
	Jun. 30, 2013	Jun. 01, 2013 T	Dec. 31, 2013	Dec. 31, 2014	Jul. 15, 2014 T
Business Acquisition [Line Items]
Private placement loan	$ 100,000,000
Procter and Gamble Company [Member] | Brazil [Member]
Business Acquisition [Line Items]
Capacity of production facility purchased in connection with acquisition					30,000
Bayer Material Science [Member]
Business Acquisition [Line Items]
Capacity of production facility purchased in connection with acquisition		21,000
Acquisition purchase price		68,212,000
Business acquisition cash paid		61,067,000
Business acquisition consideration payable for inventory			7,145,000
Acquisition-related costs incurred			270,000
Identifiable intangible assets		17,800,000
Bayer Material Science [Member] | Acquisition Related Expenses [Member]
Business Acquisition [Line Items]
Nonrecurring adjustments to pro forma net income			270,000
Bayer Material Science [Member] | Fair Value Adjustment to Acquisition Date Inventory [Member]
Business Acquisition [Line Items]
Nonrecurring adjustments to pro forma net income			558,000
Bayer Material Science [Member] | Know-how [Member]
Business Acquisition [Line Items]
Identifiable intangible assets		7,900,000
Amortization periods for the identifiable intangible assets at the time of acquisition				8 years
Bayer Material Science [Member] | Trademark and Trade Name [Member]
Business Acquisition [Line Items]
Identifiable intangible assets		3,800,000
Amortization periods for the identifiable intangible assets at the time of acquisition				11 years
Bayer Material Science [Member] | Customer Relationships [Member]
Business Acquisition [Line Items]
Identifiable intangible assets		$ 6,100,000
Amortization periods for the identifiable intangible assets at the time of acquisition				12 years