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Debt - Additional Information (Detail)
$ in Thousands
 9 Months Ended
Mar. 31, 2017
USD ($)
Rate
Dec. 31, 2016
USD ($)
Jun. 30, 2016
USD ($)
Credit Agreement Terms      
Senior secured revolving credit facility | $ $ 300,000 $ 250,000 $ 200,000
Line Of Credit Facility Expiration Date Feb. 08, 2022    
Senior Leverage Ratio, Maximum 3.00    
Senior Leverage Ratio, Minimum 1.00    
Fixed Charge Coverage Ratio, Maximum 1.25    
Fixed Charge Coverage Ratio, Minimum 1.00    
Amount of Limit on Asset Dispositions | $ $ 20,000    
Additional Margin on alternate base rate loans, Minimum 0.625%    
Additional Margin on alternate base rate loans, Maximum 1.625%    
Sublimit on Australian Dollar, Canadian Dollar, Euro and Pounds Sterling | $ $ 75,000    
Sub-limit on letters of credit under the credit facility | $ $ 200,000    
Additional Margin on Adjusted LIBO, EURIBO and CDOR loans, Minimum 1.625%    
Additional Margin on Adjusted LIBO, EURIBO and CDOR loans, Maximum 2.625%    
Additional Margin on Canadian prime rate loans, Minimum 2.125%    
Additional Margin on Canadian prime rate loans, Maximum 3.125%    
Consolidated EBITDA as defined in the Credit Agreement | $ $ 55,400    
Consolidated funded indebtedness | $ $ 51,700    
Minimum [Member]      
Credit Agreement Terms      
Unused Credit Facility Fee 0.25%    
Maximum [Member]      
Credit Agreement Terms      
Unused Credit Facility Fee 0.45%