Supplemental Consolidating Information - Condensed Consolidating Statement of Cash Flows (Details) - USD ($) $ in Millions | 3 Months Ended |
Sep. 30, 2017 | Sep. 30, 2016 |
Condensed Financial Statements, Captions [Line Items] | | |
Net cash provided by operating activities | $ 83.6 | $ 20.8 |
Cash flows from investing activities: | | |
Proceeds from collection of escrow related to acquisition of business | 0 | 0.6 |
Acquisition of businesses, net of cash and cash equivalents acquired | (9.5) | 0 |
Additions of equipment under sales-type and direct financing leases | (19.7) | (34.3) |
Proceeds from collection of financing receivables | 1.1 | 3.3 |
Additions to equipment under operating leases | (0.3) | (0.5) |
Proceeds from disposition of equipment under operating leases | 0.6 | 0.2 |
Purchases of property and equipment | (4.7) | (3.3) |
Net cash used in investing activities | (32.5) | (34) |
Cash flows from financing activities: | | |
Proceeds from issuance of common stock under share-based compensation plans | 2.9 | 0 |
Proceeds from the discounting of financing receivables | 17.8 | 33.9 |
Retirements of discounted financing receivables | (0.2) | (4.1) |
Net repayments on the receivables securitization facility | 0 | (5) |
Repayments of term loans | (25) | (1.8) |
Net change in accounts payable — floor plan | (49.2) | 4.9 |
Net cash provided by (used in) financing activities | (53.7) | 27.9 |
Net increase (decrease) in cash and cash equivalents | (2.6) | 14.7 |
Cash and cash equivalents: | | |
Beginning of the period | 27.5 | 33 |
End of the period | 24.9 | 47.7 |
Intercompany Eliminations [Member] | | |
Condensed Financial Statements, Captions [Line Items] | | |
Net cash provided by operating activities | 0 | |
Cash flows from investing activities: | | |
Proceeds from collection of escrow related to acquisition of business | | 0 |
Acquisition of businesses, net of cash and cash equivalents acquired | 0 | |
Additions of equipment under sales-type and direct financing leases | 0 | 0 |
Proceeds from collection of financing receivables | 0 | 0 |
Additions to equipment under operating leases | 0 | 0 |
Proceeds from disposition of equipment under operating leases | 0 | 0 |
Purchases of property and equipment | 0 | 0 |
Net cash used in investing activities | 0 | 0 |
Cash flows from financing activities: | | |
Proceeds from issuance of common stock under share-based compensation plans | 0 | |
Proceeds from the discounting of financing receivables | 0 | 0 |
Retirements of discounted financing receivables | 0 | 0 |
Net repayments on the receivables securitization facility | | 0 |
Repayments of term loans | 0 | 0 |
Net change in accounts payable — floor plan | 0 | 0 |
Net cash provided by (used in) financing activities | 0 | 0 |
Net increase (decrease) in cash and cash equivalents | 0 | 0 |
Cash and cash equivalents: | | |
Beginning of the period | 0 | 0 |
End of the period | 0 | 0 |
Presidio, Inc. [Member] | Reportable Legal Entities [Member] | | |
Condensed Financial Statements, Captions [Line Items] | | |
Net cash provided by operating activities | 1.9 | 0.3 |
Cash flows from investing activities: | | |
Proceeds from collection of escrow related to acquisition of business | | 0 |
Acquisition of businesses, net of cash and cash equivalents acquired | 0 | |
Additions of equipment under sales-type and direct financing leases | 0 | 0 |
Proceeds from collection of financing receivables | 0 | 0 |
Additions to equipment under operating leases | 0 | 0 |
Proceeds from disposition of equipment under operating leases | 0 | 0 |
Purchases of property and equipment | 0 | 0 |
Net cash used in investing activities | 0 | 0 |
Cash flows from financing activities: | | |
Proceeds from issuance of common stock under share-based compensation plans | 1.5 | |
Proceeds from the discounting of financing receivables | 0 | 0 |
Retirements of discounted financing receivables | 0 | 0 |
Net repayments on the receivables securitization facility | | 0 |
Repayments of term loans | 0 | 0 |
Net change in accounts payable — floor plan | 0 | 0 |
Net cash provided by (used in) financing activities | 1.5 | 0 |
Net increase (decrease) in cash and cash equivalents | 3.4 | 0.3 |
Cash and cash equivalents: | | |
Beginning of the period | 0.7 | 26.1 |
End of the period | 4.1 | 26.4 |
Presidio Holdings Inc. & Subsidiaries [Member] | Reportable Legal Entities [Member] | | |
Condensed Financial Statements, Captions [Line Items] | | |
Net cash provided by operating activities | 81.7 | 20.5 |
Cash flows from investing activities: | | |
Proceeds from collection of escrow related to acquisition of business | | 0.6 |
Acquisition of businesses, net of cash and cash equivalents acquired | (9.5) | |
Additions of equipment under sales-type and direct financing leases | (19.7) | (34.3) |
Proceeds from collection of financing receivables | 1.1 | 3.3 |
Additions to equipment under operating leases | (0.3) | (0.5) |
Proceeds from disposition of equipment under operating leases | 0.6 | 0.2 |
Purchases of property and equipment | (4.7) | (3.3) |
Net cash used in investing activities | (32.5) | (34) |
Cash flows from financing activities: | | |
Proceeds from issuance of common stock under share-based compensation plans | 1.4 | |
Proceeds from the discounting of financing receivables | 17.8 | 33.9 |
Retirements of discounted financing receivables | (0.2) | (4.1) |
Net repayments on the receivables securitization facility | | (5) |
Repayments of term loans | (25) | (1.8) |
Net change in accounts payable — floor plan | (49.2) | 4.9 |
Net cash provided by (used in) financing activities | (55.2) | 27.9 |
Net increase (decrease) in cash and cash equivalents | (6) | 14.4 |
Cash and cash equivalents: | | |
Beginning of the period | 26.8 | 6.9 |
End of the period | $ 20.8 | $ 21.3 |