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GOODWILL AND OTHER INTANGIBLE ASSETS (Details) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Goodwill [Roll Forward] |  |  |
Beginning balance | $ 145,788,000 | $ 101,764,000 |
Acquired during the year | 39,898,000 | 44,074,000 |
Adjustments to prior year estimates | 2,424,000 | (50,000) |
Translation adjustment | 0 | 0 |
Ending balance | 188,110,000 | 145,788,000 | 101,764,000
Other Intangibles Assets [Roll Forward] |  |  |
Balance at beginning of period | 63,189,000 | 43,194,000 |
Acquired during the year | 22,033,000 | 30,643,000 |
Adjustments to prior year estimates | (2,424,000) | 50,000 |
Translation adjustment | (1,246,000) | 188,000 |
Amortization | (11,830,000) | (10,886,000) | (6,572,000)
Balance at end of period | 69,722,000 | 63,189,000 | 43,194,000
Total Goodwill and Intangible Assets [Roll Forward] |  |  |
Beginning Balance | 208,977,000 | 144,958,000 |
Acquired during the year | 61,931,000 | 74,717,000 |
Adjustment to prior year estimates | 0 | 0 |
Translation adjustment | (1,246,000) | 188,000 |
Amortization | (11,830,000) | (10,886,000) | (6,572,000)
Ending Balance | 257,832,000 | 208,977,000 | 144,958,000
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross carrying amount | 114,132,000 | 94,888,000 |
Accumulated amortization | (44,410,000) | (31,699,000) |
Carrying amount, net | 69,722,000 | 63,189,000 |
Amortization expense | 11,830,000 | 10,886,000 | 6,572,000
The estimated future annual amortization of intangible assets for each of the next five years and thereafter [Abstract] |  |  |
2014 | 12,966,000 |  |
2015 | 11,532,000 |  |
2016 | 9,172,000 |  |
2017 | 9,089,000 |  |
2018 | 8,354,000 |  |
Thereafter | 18,609,000 |  |
Vendor Agreements [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross carrying amount | 2,496,000 | 2,496,000 |
Accumulated amortization | (1,205,000) | (1,081,000) |
Carrying amount, net | 1,291,000 | 1,415,000 |
Weighted average remaining estimated life | 11 years 10 months 24 days |  |
Customer Relationships [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross carrying amount | 109,897,000 | 90,851,000 |
Accumulated amortization | (42,468,000) | (30,010,000) |
Carrying amount, net | 67,429,000 | 60,841,000 |
Weighted average remaining estimated life | 7 years 1 month 6 days |  |
Increase in goodwill | 2,300,000 |  |
Non-Compete Agreements [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross carrying amount | 1,739,000 | 1,541,000 |
Accumulated amortization | (737,000) | (608,000) |
Carrying amount, net | 1,002,000 | 933,000 |
Weighted average remaining estimated life | 3 years 4 months 24 days |  |
Service Centers [Member] |  |  |
Goodwill [Roll Forward] |  |  |
Ending balance | 142,714,000 | 112,670,000 |
Innovative Pumping Solutions [Member] |  |  |
Goodwill [Roll Forward] |  |  |
Ending balance | 28,258,000 | 15,980,000 |
Supply Chain Services [Member] |  |  |
Goodwill [Roll Forward] |  |  |
Ending balance | $ 17,138,000 | $ 17,138,000 |

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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 68 -Subparagraph l -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph e -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 43 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 72 -Subparagraph d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph e -Clause 1 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 34 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The aggregate amount of goodwill acquired in the period and allocated to the reportable segment. The value is stated at fair value based on the purchase price allocation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 72 -Subparagraph d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph e -Clause 2 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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