Condensed Consolidating Statements of Cash Flows (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Feb. 28, 2013	Feb. 29, 2012
Operating Activities
Net Cash Provided By (Used In) Operating Activities	$ (22.6)	$ 13.7
Investing Activities
Capital expenditures	(4.7)	(3.6)
Proceeds from asset sale		10.0
Proceeds from sale of businesses	0	10.0
Net Cash Provided By (Used In) Investing Activities	(4.7)	6.4
Financing Activities
Repayment of debt obligations	(0.5)	(0.5)
Short-term debt (payments), net	0.9	(0.1)
Payments for deferred financing fees		(1.3)
Payments received from the exercise of stock options	0.1	0
Restricted cash	0	(1.3)
Net Cash (Used In) Provided By Financing Activities	0.5	(1.9)
Effect of exchange rate changes on cash	0.3	1.5
Net Increase (Decrease) In Cash And Cash Equivalents	(26.5)	19.7
Cash and cash equivalents at beginning of period	143.0	98.9
Cash And Cash Equivalents At End Of Period	116.5	118.6
OMNOVA Solutions (Parent)
Operating Activities
Net Cash Provided By (Used In) Operating Activities	(22.5)	21.8
Investing Activities
Capital expenditures	(2.5)	(2.0)
Proceeds from asset sale		10.0
Net Cash Provided By (Used In) Investing Activities	(2.5)	8.0
Financing Activities
Repayment of debt obligations	(0.5)	(0.5)
Short-term debt (payments), net	0	0
Payments for deferred financing fees		(1.3)
Payments received from the exercise of stock options	0.1
Net Cash (Used In) Provided By Financing Activities	(0.4)	(1.8)
Effect of exchange rate changes on cash	(0.7)	0.9
Net Increase (Decrease) In Cash And Cash Equivalents	(26.1)	28.9
Cash and cash equivalents at beginning of period	98.7	55.1
Cash And Cash Equivalents At End Of Period	72.6	84.0
Guarantor Subsidiaries
Operating Activities
Net Cash Provided By (Used In) Operating Activities	0.8	0
Investing Activities
Capital expenditures	0	0
Proceeds from asset sale		0
Net Cash Provided By (Used In) Investing Activities	0	0
Financing Activities
Repayment of debt obligations	0	0
Short-term debt (payments), net	0	0
Payments for deferred financing fees		0
Payments received from the exercise of stock options	0
Net Cash (Used In) Provided By Financing Activities	0	0
Effect of exchange rate changes on cash	(0.8)	0
Net Increase (Decrease) In Cash And Cash Equivalents	0	0
Cash and cash equivalents at beginning of period	0	0
Cash And Cash Equivalents At End Of Period	0	0
Non-Guarantor Subsidiaries
Operating Activities
Net Cash Provided By (Used In) Operating Activities	0.5	(8.9)
Investing Activities
Capital expenditures	(2.2)	(1.6)
Proceeds from asset sale		0
Net Cash Provided By (Used In) Investing Activities	(2.2)	(1.6)
Financing Activities
Repayment of debt obligations	0	0
Short-term debt (payments), net	0.9	(0.1)
Payments for deferred financing fees		0
Payments received from the exercise of stock options	0
Net Cash (Used In) Provided By Financing Activities	0.9	(0.1)
Effect of exchange rate changes on cash	0.4	1.4
Net Increase (Decrease) In Cash And Cash Equivalents	(0.4)	(9.2)
Cash and cash equivalents at beginning of period	44.3	43.8
Cash And Cash Equivalents At End Of Period	43.9	34.6
Eliminations
Operating Activities
Net Cash Provided By (Used In) Operating Activities	(1.4)	0.8
Investing Activities
Capital expenditures	0	0
Proceeds from asset sale		0
Net Cash Provided By (Used In) Investing Activities	0	0
Financing Activities
Repayment of debt obligations	0	0
Short-term debt (payments), net	0	0
Payments for deferred financing fees		0
Payments received from the exercise of stock options	0
Net Cash (Used In) Provided By Financing Activities	0	0
Effect of exchange rate changes on cash	1.4	(0.8)
Net Increase (Decrease) In Cash And Cash Equivalents	0	0
Cash and cash equivalents at beginning of period	0	0
Cash And Cash Equivalents At End Of Period	$ 0	$ 0