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Business and Basis of Presentation (Details) - USD ($)
$ in Thousands
 3 Months Ended
Jun. 30, 2019
Jun. 30, 2018
May 13, 2019
Apr. 01, 2019
Mar. 31, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Other Nonoperating Income (Expense) $ (416) $ (87)      
Operating lease right-of-use asset 16,097   $ 20,500 $ 17,435 $ 0
Operating lease liabilities, current portion (5,099)     (5,697) 0
Long-term operating lease liability, net of current portion (12,526)     (13,296) 0
Other accrued liabilities       (59,105) $ (60,663)
Accounting Standards Update 2017-07 [Member]          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Other Nonoperating Income (Expense) $ (1,000)        
Accounting Standards Update 2016-02          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Operating lease right-of-use asset       17,435  
Operating lease liabilities, current portion       (5,697)  
Long-term operating lease liability, net of current portion       (13,296)  
Other accrued liabilities       $ (1,558)