E0541024330株式会社博報堂DYホールディングスHAKUHODO DY HOLDINGS INCORPORATED企業内容等の開示に関する内閣府令第四号の三様式Japan GAAPtruecte2015-04-012015-09-30Q22016-03-312014-04-012014-09-302015-03-311falsefalsefalseE05410-0002015-11-13E05410-0002014-04-012014-09-30E05410-0002014-04-012015-03-31E05410-0002015-04-012015-09-30E05410-0002014-09-30E05410-0002015-03-31E05410-0002015-09-30E05410-0002014-07-012014-09-30E05410-0002015-07-012015-09-30E05410-0002015-09-30jpcrp_cor:No1MajorShareholdersMemberE05410-0002015-09-30jpcrp_cor:No2MajorShareholdersMemberE05410-0002015-09-30jpcrp_cor:No3MajorShareholdersMemberE05410-0002015-09-30jpcrp_cor:No4MajorShareholdersMemberE05410-0002015-09-30jpcrp_cor:No5MajorShareholdersMemberE05410-0002015-09-30jpcrp_cor:No6MajorShareholdersMemberE05410-0002015-09-30jpcrp_cor:No7MajorShareholdersMemberE05410-0002015-09-30jpcrp_cor:No8MajorShareholdersMemberE05410-0002015-09-30jpcrp_cor:No9MajorShareholdersMemberE05410-0002015-09-30jpcrp_cor:No10MajorShareholdersMemberE05410-0002014-03-31iso4217:JPYiso4217:JPYxbrli:sharesxbrli:purexbrli:shares