Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Oct. 01, 2017	Oct. 02, 2016
Cash Flows from Operating Activities:
Net income	$ 50.6	$ 36.2
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Depreciation	12.9	10.3
Stock-based compensation	4.5	3.4
Amortization of software and intangible assets	18.8	17.1
Amortization of debt related costs	2.2	1.8
Loss on extinguishment of debt	0.1	1.2
Loss on sale of equipment	0.2	0.0
Other	(0.1)	(0.6)
Changes in operating assets and liabilities, net of the effects of acquisitions:
Receivables	(73.5)	(76.8)
Inventory	(69.4)	(21.9)
Income tax receivable	(1.1)	4.3
Prepaid expenses and other assets	(19.0)	(12.3)
Accounts payable	54.6	38.9
Income tax payable	3.5	0.0
Accrued expenses and other liabilities	1.1	7.6
Net Cash (Used In) Provided By Operating Activities	(14.6)	9.2
Cash Flows from Investing Activities:
Purchases of property and equipment	(10.3)	(6.2)
Acquisitions, net of cash acquired	(66.9)	(56.6)
Proceeds from the sale of property and equipment	0.3	0.3
Net Cash Used In Investing Activities	(76.9)	(62.5)
Cash Flows from Financing Activities:
Equity proceeds from common stock	1.3	0.0
Purchase of treasury stock	0.0	(0.2)
Special cash dividend	0.0	(176.0)
Other dividends paid	0.0	(13.0)
Borrowings under term loan	299.5	272.3
Repayments under term loan	(299.4)	(62.1)
Borrowings on asset-based credit facility	319.6	322.6
Repayments on asset-based credit facility	(216.9)	(275.8)
Debt issuance costs paid	(1.0)	(3.5)
Payments on capital lease obligations	(3.9)	(3.1)
Other financing activities	(0.1)	(2.2)
Net Cash Provided By Financing Activities	99.1	59.0
Effect of exchange rate on cash	0.2	0.1
Net Change In Cash	7.8	5.8
Cash and cash equivalents:
Beginning	16.3	20.1
Ending	24.1	25.9
Supplemental Disclosures of Cash Flow Information:
Cash paid during the year for interest	18.3	12.6
Cash paid during the year for income taxes	27.5	20.8
Supplemental Disclosures of Noncash Investing and Financing Information:
Acquisition of property and equipment through capital leases	$ 5.7	$ 2.8