XML 61 R53.htm IDEA: XBRL DOCUMENT v2.4.1.9
Goodwill and Other Intangible Assets (Changes in Intangible Assets) (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2010
Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]      
Finite-lived intangible assets, Ending Gross Amount 201,593us-gaap_FiniteLivedIntangibleAssetsGross   $ 207,524us-gaap_FiniteLivedIntangibleAssetsGross
Finite-lived intangible assets, Accumulated Amortization (133,745)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization   (130,093)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Indefinite-lived intangible assets, Ending Gross Amount 79,982us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill [1]   84,670us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill [1]
Indefinite-lived intangible assets, Accumulated Amortization (1,493)fls_IndefiniteLivedIntangibleAssetsAccumulatedAmortization [1]   (1,553)fls_IndefiniteLivedIntangibleAssetsAccumulatedAmortization [1]
Maximum      
Finite-Lived Intangible Assets [Line Items]      
Useful Life (Years) 40 years    
Minimum      
Finite-Lived Intangible Assets [Line Items]      
Useful Life (Years) 4 years    
Engineering drawings      
Finite-Lived Intangible Assets [Line Items]      
Finite-lived intangible assets, Ending Gross Amount 90,843us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= fls_EngineeringDrawingsMember		 [2]   93,687us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= fls_EngineeringDrawingsMember		 [2]
Finite-lived intangible assets, Accumulated Amortization (62,947)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= fls_EngineeringDrawingsMember		 [2]   (61,401)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= fls_EngineeringDrawingsMember		 [2]
Engineering drawings | Maximum      
Finite-Lived Intangible Assets [Line Items]      
Useful Life (Years) 22 years [2]    
Engineering drawings | Minimum      
Finite-Lived Intangible Assets [Line Items]      
Useful Life (Years) 10 years [2]    
Existing customer relationships      
Finite-Lived Intangible Assets [Line Items]      
Useful Life (Years)   5 years  
Finite-lived intangible assets, Ending Gross Amount 38,003us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerRelationshipsMember		 [3]   40,077us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerRelationshipsMember		 [3]
Finite-lived intangible assets, Accumulated Amortization (19,285)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerRelationshipsMember		 [3]   (15,241)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerRelationshipsMember		 [3]
Existing customer relationships | Maximum      
Finite-Lived Intangible Assets [Line Items]      
Useful Life (Years) 10 years [3]    
Existing customer relationships | Minimum      
Finite-Lived Intangible Assets [Line Items]      
Useful Life (Years) 5 years [3]    
Patents      
Finite-Lived Intangible Assets [Line Items]      
Finite-lived intangible assets, Ending Gross Amount 29,396us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_PatentsMember		   32,963us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_PatentsMember
Finite-lived intangible assets, Accumulated Amortization (26,087)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_PatentsMember		   (28,013)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_PatentsMember
Patents | Maximum      
Finite-Lived Intangible Assets [Line Items]      
Useful Life (Years) 16 years    
Patents | Minimum      
Finite-Lived Intangible Assets [Line Items]      
Useful Life (Years) 9 years    
Other      
Finite-Lived Intangible Assets [Line Items]      
Finite-lived intangible assets, Ending Gross Amount 43,351us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_OtherIntangibleAssetsMember		   40,797us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_OtherIntangibleAssetsMember
Finite-lived intangible assets, Accumulated Amortization (25,426)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_OtherIntangibleAssetsMember		   $ (25,438)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_OtherIntangibleAssetsMember
Other | Maximum      
Finite-Lived Intangible Assets [Line Items]      
Useful Life (Years) 40 years    
Other | Minimum      
Finite-Lived Intangible Assets [Line Items]      
Useful Life (Years) 4 years    
[1] Accumulated amortization for indefinite-lived intangible assets relates to amounts recorded prior to the implementation date of guidance issued in ASC 350.
[2] Engineering drawings represent the estimated fair value associated with specific acquired product and component schematics.
[3] Existing customer relationships acquired prior to 2011 had a useful life of five years.