CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 30, 2017
Current assets:
Cash and cash equivalents	$ 192,300	$ 163,794
Trade receivables, net	478,735	430,016
Inventories	124,131	114,956
Prepaid assets	44,531	36,544
Other current assets	49,833	81,315
Total current assets	889,530	826,625
Property, plant and equipment, net	896,273	781,973
Goodwill	1,254,444	804,906
Client relationships and other intangible assets, net	649,136	369,762
Deferred tax assets	27,230	22,654
Other assets	149,270	124,002
Total assets	3,865,883	2,929,922
Current liabilities:
Current portion of long-term debt and capital leases	31,346	30,998
Accounts payable	67,481	77,838
Accrued compensation	104,547	101,044
Deferred revenue	130,393	117,569
Accrued liabilities	110,770	89,780
Other current liabilities	73,603	44,460
Current liabilities of discontinued operations		1,815
Total current liabilities	518,140	463,504
Long-term debt, net and capital leases	1,796,451	1,114,105
Deferred tax liabilities	152,785	89,540
Other long-term liabilities	196,640	194,815
Long-term liabilities of discontinued operations	0	3,942
Total liabilities	2,664,016	1,865,906
Commitments and contingencies (Note 15)
Redeemable noncontrolling interest	16,662	16,609
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; 88,221 shares issued and 48,001 shares outstanding as of June 30, 2018, and 87,495 shares issued and 47,402 shares outstanding as of December 30, 2017	882	875
Additional paid-in capital	2,608,522	2,560,192
Retained earnings	399,752	288,658
Treasury stock, at cost, 40,220 shares and 40,093 shares as of June 30, 2018 and December 30, 2017, respectively	(1,673,582)	(1,659,914)
Accumulated other comprehensive loss	(153,608)	(144,731)
Total equity attributable to common shareholders	1,181,966	1,045,080
Noncontrolling interest	3,239	2,327
Total equity	1,185,205	1,047,407
Total liabilities, redeemable noncontrolling interest and equity	3,865,883	2,929,922
Client relationships, net
Current assets:
Client relationships and other intangible assets, net	553,277	301,891
Other intangible assets, net
Current assets:
Client relationships and other intangible assets, net	$ 95,859	$ 67,871

Stockholder's Equity, Including Noncontrolling Interest and Redeemable Noncontrolling Interest

No definition available.

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Namespace Prefix:	crl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

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).