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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016
Operating activities:
Net income	$ 223,568	$ 163,317	$ 67,493
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	44,061	50,880	52,633
Amortization of deferred financing costs and debt discount	8,539	6,112	6,116
Goodwill impairment	0	13,323	0
Impairment of intangible and long-lived assets	27	682	615
Write-off of net assets due to cessation of Spain operations	0	70	0
Share-based compensation expense	20,188	14,949	6,527
Deferred tax (benefit) provision	(13,673)	(48,216)	11,093
Allowance for doubtful accounts	130	(587)	363
Reserve for inventory obsolescence	7,906	7,823	5,109
Foreign currency exchange rate loss	2,036	202	1,270
Early extinguishment of debt, net	0	8,969	0
Changes in cash due to:
Receivables	(7,999)	5,444	(37)
Inventories	(1,148)	(4,504)	(9,513)
Prepaid expenses	(3,991)	(4,359)	(14,755)
Accounts payable	2,224	(14,507)	461
Accrued liabilities	16,600	4,414	(8,823)
Deferred revenue	(17,198)	8,298	1,212
Other long term assets and liabilities, net	(13,001)	5,683	1,512
Income taxes	27,323	4,281	(2,232)
Cash provided by operating activities	295,592	222,274	119,044
Investing activities:
Capital expenditures	(19,050)	(13,732)	(5,556)
Capitalized software expenditures	(27,763)	(26,916)	(28,785)
Cash paid for acquisitions	(7,100)	0	(2,898)
Other items, net	(10,045)	(143)	(291)
Cash used for investing activities	(63,958)	(40,791)	(37,530)
Financing activities:
Net (payments) borrowings on revolver	(25,000)	25,000	(48,000)
Proceeds from new long term debt	0	1,840,000	0
Financing costs and debt discount	0	(53,636)	0
Payments on long-term debt	(57,750)	(2,018,773)	(165,323)
Taxes paid related to net share settlement of equity awards	(25,020)	(9,548)	0
Excess tax benefit of share-based compensation	0	0	973
Proceeds from stock options exercised	33,417	5,475	139
Payment of dividends	0	0	(11)
Cash used for financing activities	(74,353)	(211,482)	(212,222)
Effect of exchange rate changes on cash and cash equivalents	(3,361)	4,397	(2,162)
Net increase (decrease) in cash and cash equivalents	153,920	(25,602)	(132,870)
Cash and cash equivalents, beginning of fiscal year	83,054	108,656	241,526
Cash and cash equivalents, end of fiscal year	$ 236,974	$ 83,054	$ 108,656

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Amount of cash (inflow) outflow from investing activities classified as other.

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The cash outflow associated with the development, modification or acquisition of software programs or applications for internal use (that is, not to be sold, leased or otherwise marketed to others) that qualify for capitalization.

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Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.

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Amount of cash outflow to satisfy an employee's income tax withholding obligation as part of a net-share settlement of a share-based award.

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

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The net cash inflow or cash outflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with either short term or long term maturity that is collateralized (backed by pledge, mortgage or other lien in the entity's assets).

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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Reflects the difference between the fair value of payments made to legally extinguish a debt and its carrying value at that time. This item excludes the cash outflow for incremental, external costs directly pertaining to an early extinguishment of debt, including legal costs and prepayment penalties.

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Payment of financing costs and debt discounts.

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Proceeds from stock options exercised gross.

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Amount of expense related to write-down of receivables to the amount expected to be collected and / or the recovery of doubtful accounts. Includes, but is not limited to, accounts receivable and notes receivable.

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