Note 2 - Acquisitions of Businesses (Details) (USD $)			3 Months Ended		1 Months Ended	3 Months Ended			1 Months Ended			0 Months Ended	1 Months Ended		2 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2014 Selling, General and Administrative Expenses [Member] MacDermid [Member]	Mar. 31, 2014 PDH [Member]	Mar. 31, 2012 MacDermid [Member] Specialty Chemical Business [Member]	Mar. 31, 2014 MacDermid [Member] Specialty Chemical Business [Member]	Mar. 31, 2014 Other Noncurrent Liabilities [Member] MacDermid [Member]	Dec. 31, 2013 Other Noncurrent Liabilities [Member] MacDermid [Member]	Mar. 31, 2014 MacDermid Savings Plan [Member] MacDermid [Member]	Oct. 31, 2013 MacDermid Savings Plan [Member] MacDermid [Member]	Mar. 31, 2014 PDH [Member]	Mar. 04, 2014 MacDermid [Member]	Jan. 31, 2014 MacDermid [Member]	Oct. 31, 2013 MacDermid [Member]	Mar. 04, 2014 MacDermid [Member]	Mar. 31, 2014 MacDermid [Member]	Dec. 31, 2013 MacDermid [Member]
Note 2 - Acquisitions of Businesses (Details) [Line Items]
Business Acquisition, Percentage of Ownership										3.00%		3.00%		97.00%
Business Combination, Consideration Transferred					$ 8,900,000									$ 1,800,000,000
Business Combination, Consideration Transferred, Liabilities Incurred														754,200,000
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High														100,000,000
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred													8,540,000
Fair Value Inputs, Discount Rate														2.00%
Fair Value Inputs, Future Value of Cash Payments														60,000,000
Business Combination, Contingent Consideration, Liability	47,800,000	34,800,000					47,800,000	34,800,000						35,500,000			35,500,000
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability			13,000
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners				6.76%												6.76%
Annual Maximum Percentage of Holdings Exchanged											25.00%
Common Stock, Capital Shares Reserved for Future Issuance (in Shares)				8,900,000
		20,972,000															20,972,000
Payments to Acquire Businesses, Gross						$ 1,114,000			$ 2,600,000						$ 2,600,000
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in Shares)									1,670,386						1,670,386
Business Acquisition, Percentage of Voting Interests Acquired					95.00%							3.00%			3.00%