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Summary of Significant Accounting Policies (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended
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Sep. 30, 2025 | Sep. 30, 2024
Accounting Policies [Line Items] |  |
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net | $ 3,451 | $ (20,569)
Foreign Currency Transaction Gain (Loss), Realized | (181) | 8,667
Other Nonoperating Gains (Losses) | 183 | 410
Other income (expense), net | 3,453 | (11,492)
Realized gain (loss) on derivatives not designated as hedging instruments | $ (2,692) | $ (2,232)
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ 60 |
Weighted average shares outstanding — diluted | 25,051,742 | 25,167,845
Weighted-average shares issuable upon exercise/vesting of outstanding share options/PSUs/RSUs/warrants (1)(2) | 477,287 | 0
Stock Repurchased and Retired During Period, Shares | 45,000 |
Purchase of ordinary shares | $ 2,726 | $ 10,620
Net Income (Loss) Per Share Attributable to Cimpress plc [Line Items] |  |
Weighted average shares outstanding — basic | 24,574,455 | 25,167,845
Weighted-average shares issuable upon exercise/vesting of outstanding share options/PSUs/RSUs/warrants (1)(2) | 477,287 | 0
Weighted average shares outstanding — diluted | 25,051,742 | 25,167,845
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount | 1,955,243 | 1,224,628
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | 1,055,377 |
Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants |  | 341,158
Realized gain (loss) on derivatives not designated as hedging instruments | $ (2,692) | $ (2,232)
Foreign Exchange Forward [Member] |  |
Accounting Policies [Line Items] |  |
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net | $ 3,451 | $ (20,569)

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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 + Details
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