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Commitments and Contingencies (Details)
$ in Thousands
 6 Months Ended
Apr. 16, 2014
item
Dec. 31, 2016
USD ($)
item
Dec. 31, 2015
USD ($)
Jun. 30, 2016
USD ($)
Jun. 30, 2012
USD ($)
Contingent Acquisition Obligations          
Maximum amount of future payments under contingent consideration   $ 32,300      
Beginning fair value   17,117      
Remeasurement of fair value for contingent earn-out obligations   (319)      
Ending fair value   $ 16,798      
Environmental Contingencies          
Number of investigations discovering soil and groundwater contamination at Hawthorne, CA facility | item   1      
Changes in provision for warranties          
Warranty provision at beginning of period   $ 15,948 $ 12,738    
Additions and adjustments   5,077 4,460    
Reductions for warranty repair costs   (2,752) (5,514)    
Warranty provision at end of period   18,273 $ 11,684    
Legal Proceedings          
Number of shareholders derivative complaints | item 3        
Mexican government          
Advances from Customers          
Advances from customers   $ 12,500   $ 25,000 $ 100,000
Royalty payments          
Contingent Acquisition Obligations          
Purchase agreements containing royalty payments, number | item   1