Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Current assets
Cash and cash equivalents	$ 139,089	$ 62,510
Investments	15,358	30,053
Accounts receivable (less allowance for doubtful accounts of $5,405 and $4,805 at September 30, 2018 and December 31, 2017, respectively)	219,444	180,725
Inventories	51,491	48,346
Other current assets	32,836	33,308
Total current assets	458,218	354,942
Property and equipment, net	85,505	81,075
Non-current assets
Goodwill	167,738	155,466
Intangibles, net	139,709	137,991
Other non-current assets	11,936	9,272
Total non-current assets	319,383	302,729
Total assets	863,106	738,746
Current liabilities
Current maturities of long-term debt	22,481	16,650
Current maturities of capital lease obligations	4,954	5,666
Accounts payable	94,781	87,425
Accrued compensation	25,370	25,399
Other current liabilities	29,510	24,666
Total current liabilities	177,096	159,806
Long-term debt	433,752	330,927
Capital lease obligations, less current maturities	3,870	6,479
Deferred income taxes	7,758	6,444
Other long-term liabilities	26,279	24,562
Total liabilities	648,755	528,218
Commitments and contingencies (Note 13)
Stockholders' equity
Preferred stock; $0.01 par value: 5,000,000 authorized and 0 shares issued and outstanding at September 30, 2018 and December 31, 2017, respectively
Common stock; $0.01 par value: 100,000,000 authorized, 32,723,972 and 32,524,934 issued and 31,224,974 and 31,862,146 shares outstanding at September 30, 2018 and December 31, 2017, respectively	327	325
Additional paid in capital	180,106	174,043
Retained earnings	88,736	48,434
Treasury stock; at cost: 1,498,998 and 662,788 shares at September 30, 2018 and December 31, 2017, respectively	(57,890)	(12,781)
Accumulated other comprehensive income	3,072	507
Total stockholders' equity	214,351	210,528
Total liabilities and stockholders' equity	$ 863,106	$ 738,746

Assets Noncurrent Excluding Property Plant And Equipment

No definition available.

Name:	ibp_AssetsNoncurrentExcludingPropertyPlantAndEquipment
Namespace Prefix:	ibp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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).