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Acquisitions - Additional Information (Details) - USD ($) |  | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Oct. 21, 2015 | Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015 | Dec. 31, 2015
Business Acquisition [Line Items] |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  | $ 575,000,000.0 |  | $ 575,000,000.0 |  |
Goodwill |  | 332,139,000 |  | 332,139,000 |  | $ 340,338,000
Net income |  | 31,083,000 | $ 24,298,000 | $ 42,834,000 | $ 33,980,000 |
Latchways Acquisition |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Purchase price | $ 190,900,000 |  |  |  |  |
Intangible asset, useful life (years) |  |  |  | 15 years |  |
Amortization expense, year one |  | 4,500,000 |  | $ 4,500,000 |  |
Amortization expense, year two |  | 4,500,000 |  | 4,500,000 |  |
Amortization expense, year three |  | 4,500,000 |  | 4,500,000 |  |
Amortization expense, year four |  | 4,500,000 |  | 4,500,000 |  |
Amortization expense, year five |  | 4,500,000 |  | 4,500,000 |  |
Purchase accounting adjustment, inventory | 1,600,000 |  |  |  |  |
Inventory acquired during business combination, depreciation expense |  | 200,000 |  | 500,000 |  | 900,000
Amortization expense on inventory, next fiscal year |  | 700,000 |  | 700,000 |  |
Depreciation expense, year one |  | 900,000 |  | 900,000 |  |
Depreciation expense, year two |  | 900,000 |  | 900,000 |  |
Depreciation expense, year three |  | 900,000 |  | 900,000 |  |
Depreciation expense, year four |  | 900,000 |  | 900,000 |  |
Depreciation expense, year five |  | 900,000 |  | 900,000 |  |
Goodwill | 98,000,000 |  |  |  |  |
Goodwill expected to be tax deductible | 0 |  |  |  |  |
Integration costs |  |  |  | 500,000 |  |
Integration costs, after tax |  |  |  | 400,000 |  |
Sales |  | 13,200,000 |  | 28,900,000 |  |
Net income |  | 500,000 |  | 1,400,000 |  |
Inventory acquired during business combination, depreciation expense, net of tax |  | 100,000 |  | 300,000 |  |
Revolving Credit Facility | Senior Notes |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  |  |  |  |  | $ 125,000,000.0
International |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Goodwill |  | 133,200,000 |  | 133,200,000 |  |
International | Latchways Acquisition |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Goodwill | 96,600,000 |  |  |  |  |
Americas |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Goodwill |  | $ 198,900,000 |  | $ 198,900,000 |  |
Americas | Latchways Acquisition |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Goodwill | $ 1,400,000 |  |  |  |  |

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