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Revenue Recognition - Additional Information (Detail 1)
Jun. 30, 2019
Jun. 30, 2018
Minimum | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2018-07-01    
Revenue Recognition [Line Items]    
Performance obligations, customer satisfaction period   1 month
Minimum | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2019-07-01    
Revenue Recognition [Line Items]    
Performance obligations, customer satisfaction period 1 month  
Maximum | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2018-07-01    
Revenue Recognition [Line Items]    
Performance obligations, customer satisfaction period   13 months
Maximum | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2019-07-01    
Revenue Recognition [Line Items]    
Performance obligations, customer satisfaction period 18 months