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Variable Interest Entities (Details) - Printi LLC [Member] - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Dec. 31, 2015 | Dec. 31, 2015 | Dec. 31, 2014
Variable Interest Entity [Line Items] |  |  |
Liability equity award, fair value | $ 6,051 | $ 6,051 |
Liability equity award, expense recognized during period | $ 410 | $ 781 | $ 595

X
- Definition Liability equity award, expense recognized during period + References No definition available. + Details
Name: | cmpr_Liabilityequityawardexpenserecognizedduringperiod
Namespace Prefix: | cmpr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Liability equity award, fair value + References No definition available. + Details
Name: | cmpr_Liabilityequityawardfairvalue
Namespace Prefix: | cmpr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_VariableInterestEntityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | dei_LegalEntityAxis=cmpr_PrintiLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |