Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Stockholders' Equity (Parenthetical)

v2.4.1.9
Consolidated Statements of Stockholders' Equity (Parenthetical)
6 Months Ended
Dec. 31, 2014
Successor [Member] | Additional Paid-in Capital [Member]  
Sale of shares to Board member 1,000hlm_SaleOfSharesToBoardMembers
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
Put Options [Member] | Successor [Member]  
Common stock shares controlled by management 0.0us-gaap_TemporaryEquitySharesOutstanding
/ us-gaap_OptionIndexedToIssuersEquityTypeAxis
= us-gaap_PutOptionMember
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember