Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

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+ Details

GOODWILL AND OTHER INTANGIBLE ASSETS, Goodwill balance by reportable segment (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Goodwill [Line Items]
Goodwill	$ 188,110	$ 145,788	$ 101,764
Service Centers [Member]
Goodwill [Line Items]
Goodwill	142,714	112,670
Innovative Pumping Solutions [Member]
Goodwill [Line Items]
Goodwill	28,258	15,980
Supply Chain Services [Member]
Goodwill [Line Items]
Goodwill	$ 17,138	$ 17,138