Consolidated Statements of Cash Flows - USD ($) $ in Millions		12 Months Ended
		Jun. 30, 2018	Jul. 01, 2017		Jul. 02, 2016
Cash flows from operating activities:
Net income		$ 198.7	$ 96.3	[1]	$ 68.3	[1]
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation		100.3	91.5	[1]	80.5	[1]
Amortization of intangible assets		29.8	34.6	[1]	38.1	[1]
Amortization of deferred financing costs and other		4.6	4.5	[1]	20.6	[1]
Provision for losses on accounts receivables		12.1	6.0	[1]	7.5	[1]
Expense related to modification and extinguishment of debt	[1]		0.1		4.6
Stock compensation expense		21.6	17.3	[1]	17.2	[1]
Deferred income tax expense (benefit)		1.4	6.3	[1]	(0.4)	[1]
Change in fair value of derivative assets and liabilities		(0.2)	(1.8)	[1]	(0.8)	[1]
Other		8.5	(1.1)	[1]	1.5	[1]
Changes in operating assets and liabilities, net
Accounts receivable		(33.9)	(35.7)	[1]	(1.2)	[1]
Inventories		(21.8)	(63.8)	[1]	(29.6)	[1]
Prepaid expenses and other assets		(44.3)	10.3	[1]	(34.9)	[1]
Trade accounts payable		57.1	(23.2)	[1]	17.8	[1]
Outstanding checks in excess of deposits		42.6	57.8	[1]	31.7	[1]
Accrued expenses and other liabilities		(9.5)	2.6	[1]	7.6	[1]
Net cash provided by operating activities		367.0	201.7	[1]	228.5	[1]
Cash flows from investing activities:
Purchases of property, plant and equipment		(140.1)	(140.2)	[1]	(119.7)	[1]
Net cash paid for acquisitions		(71.1)	(192.9)	[1]	(39.0)	[1]
Proceeds from sale of property, plant and equipment		1.8	1.1	[1]	1.1	[1]
Net cash used in investing activities		(209.4)	(332.0)	[1]	(157.6)	[1]
Cash flows from financing activities:
Net (payments) borrowings under ABL Facility		(119.8)	134.9	[1]	99.3	[1]
Payments on Promissory Note		(6.0)
Payments on Term Facility	[1]				(736.9)
Borrowings on Notes	[1]				350.0
Payments on financed property, plant and equipment		(1.9)	(1.0)	[1]
Net proceeds from initial public offering	[1]				226.4
Cash paid for debt issuance, extinguishment and modifications		(1.3)	(0.2)	[1]	(13.9)	[1]
Cash paid for acquisitions		(9.0)	(1.3)	[1]
Payments under capital and finance lease obligations		(6.9)	(5.4)	[1]	(3.4)	[1]
Proceeds from exercise of stock options		12.3	4.0	[1]	1.3	[1]
Tax benefits from exercise of equity awards	[1]				1.6
Cash paid for shares withheld to cover taxes		(28.2)	(3.5)	[1]	(0.9)	[1]
Net cash (used in) provided by financing activities		(160.8)	127.5	[1]	(76.5)	[1]
Net decrease in cash and restricted cash		(3.2)	(2.8)	[1]	(5.6)	[1]
Cash and restricted cash, beginning of period	[1]	21.0	23.8		29.4
Cash and restricted cash, end of period		17.8	21.0	[1]	23.8	[1]
Debt assumed through capital lease obligations		18.2	23.4		0.1
Disposal of property, plant and equipment under sale-leaseback transaction			3.2
Purchases of property, plant and equipment, financed		4.2	0.5		1.0
Purchases of property, plant and equipment, accrued		4.0			3.8
Interest		57.5	51.1		69.4
Income taxes, net of refunds		$ 33.3	$ 45.7		$ 56.8

[1] The consolidated statements of cash flows for the fiscal years ended July 1, 2017 and July 2, 2016 have been adjusted to reflect the adoption of ASU 2016-08, Statement of Cash Flows (Topic 230): Restricted Cash. The consolidated statements of cash flows explain the change during the periods in the total of cash and restricted cash. Therefore, restricted cash activity is included with cash when reconciling the beginning-of-period and end-of-period total amounts shown on the statement of cash flows. Cash payments of $7.3 million in fiscal 2016 related to insurance claims paid using restricted cash is classified as a change in Accrued expenses and other liabilities within Net cash provided by operating activities. Refer to Note 3 for further discussion.