SEGMENT INFORMATION (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Net sales by product information
Net Sales	$ 544,540	$ 601,196	$ 614,929	$ 576,518	$ 530,790	$ 517,537	$ 522,923	$ 505,469	$ 2,337,183	$ 2,076,719	$ 1,841,616
Pumps
Net sales by product information
Net Sales									1,114,276	1,011,992	895,188
Closures.
Net sales by product information
Net Sales									615,243	527,772	465,001
Valves
Net sales by product information
Net Sales									316,900	299,042	277,641
Other
Net sales by product information
Net Sales									$ 290,764	$ 237,913	$ 203,786