CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 163,794	$ 117,626
Trade receivables, net	430,016	364,050
Inventories	114,956	95,833
Prepaid assets	36,544	34,315
Other current assets	81,315	45,008
Total current assets	826,625	656,832
Property, plant and equipment, net	781,973	755,827
Goodwill	804,906	787,517
Intangible assets, net	369,762	394,448
Deferred tax assets	22,654	28,746
Other assets	124,002	88,430
Total assets	2,929,922	2,711,800
Current liabilities:
Current portion of long-term debt and capital leases	30,998	27,313
Accounts payable	77,838	68,485
Accrued compensation	101,044	93,471
Deferred revenue	117,569	127,731
Accrued liabilities	89,780	84,470
Other current liabilities	44,460	26,500
Current liabilities of discontinued operations	1,815	1,623
Total current liabilities	463,504	429,593
Long-term debt, net and capital leases	1,114,105	1,207,696
Deferred tax liabilities	89,540	55,717
Other long-term liabilities	194,815	159,239
Long-term liabilities of discontinued operations	3,942	5,771
Total liabilities	1,865,906	1,858,016
Commitments and contingencies (Notes 2, 7, 9, 10, and 13)
Redeemable noncontrolling interest	16,609	14,659
Equity:
Preferred stock, $0.01 par value; 20,000 shares authorized; no shares issued and outstanding	0	0
Common stock, $0.01 par value; 120,000 shares authorized; 87,495 shares issued and 47,402 shares outstanding as of December 30, 2017 and 86,301 shares issued and 47,363 shares outstanding as of December 31, 2016	875	863
Additional paid-in capital	2,560,192	2,477,371
Retained earnings	288,658	165,303
Treasury stock, at cost, 40,093 shares and 38,938 shares as of December 30, 2017 and December 31, 2016, respectively	(1,659,914)	(1,553,005)
Accumulated other comprehensive loss	(144,731)	(253,764)
Total equity attributable to common shareholders	1,045,080	836,768
Noncontrolling interest	2,327	2,357
Total equity	1,047,407	839,125
Total liabilities, redeemable noncontrolling interest and equity	2,929,922	2,711,800
Client relationships, net
Current assets:
Intangible assets, net	301,891	320,157
Other intangible assets, net
Current assets:
Intangible assets, net	$ 67,871	$ 74,291

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

Name:	us-gaap_AccountsPayableCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.