Acquisitions	3 Months Ended
Mar. 31, 2013
Business Combinations [Abstract]
Business Combination Disclosure [Text Block]	Acquisitions In the first quarter of 2013 we completed the purchase of additional ownership interest in FMC Wyoming. See Note 13 for more information. We completed three acquisitions during 2012. These acquisitions and related disclosures are described in more detail in Note 3 to the consolidated financial statements included in our 2012 Form 10-K. During the first quarter of 2013, we made $2.1 million of adjustments to the preliminary purchase price allocations associated with these acquisitions. These adjustments were made primarily as a result of working capital adjustments that were finalized during the quarter, however did not result in any changes to previously established goodwill balances. Additionally, during the first quarter we paid $0.2 million of additional purchase price related to acquisitions prior to 2012. These additional amounts were accrued for as “non-contingent consideration payable” on our December 31, 2012 condensed consolidated balance sheet. The amount of this outstanding payable at March 31, 2013 was $0.7 million. There were no changes to the contingent consideration payable related to these acquisitions during this quarterly period. The amount of the contingent consideration payable was $1.0 million at both March 31, 2013 and December 31, 2012.

Acquisitions

3 Months Ended

Mar. 31, 2013

Business Combination Disclosure [Text Block]

Acquisitions

In the first quarter of 2013 we completed the purchase of additional ownership interest in FMC Wyoming. See Note 13 for more information.

We completed three acquisitions during 2012. These acquisitions and related disclosures are described in more detail in Note 3 to the consolidated financial statements included in our 2012 Form 10-K. During the first quarter of 2013, we made $2.1 million of adjustments to the preliminary purchase price allocations associated with these acquisitions. These adjustments were made primarily as a result of working capital adjustments that were finalized during the quarter, however did not result in any changes to previously established goodwill balances.

Additionally, during the first quarter we paid $0.2 million of additional purchase price related to acquisitions prior to 2012. These additional amounts were accrued for as “non-contingent consideration payable” on our December 31, 2012 condensed consolidated balance sheet. The amount of this outstanding payable at March 31, 2013 was $0.7 million. There were no changes to the contingent consideration payable related to these acquisitions during this quarterly period. The amount of the contingent consideration payable was $1.0 million at both March 31, 2013 and December 31, 2012.