Commitments and Contingencies - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		3 Months Ended	12 Months Ended
	Mar. 31, 2012 Year	Jun. 30, 2012	Mar. 31, 2012 Polyone	Dec. 31, 2011 Polyone
Commitments and Contingencies Disclosure [Line Items]
Minimum number of years between arbitrations	5
Reimbursement of remediation costs sought by PolyOne	$ 1,400
Percentage of costs related to environmental issues to be paid by PolyOne			100.00%
Costs incurred environmental remediation services				3,287
Agreed cash penalty payment to settle allegations resulting from audit		$ 500