Acquisitions (Tables)

9 Months Ended

Sep. 30, 2017

Summary of Assets Acquired and Liabilities Assumed

	Nine months ended		Year ended
	September 30,		December 31,
	2017		2016
Financial assets (1)	$	31,895	$	22,204
Inventories		11,315		17,215
Property, plant and equipment		159,154		180,321
Intangible assets		—		5,531
Other assets		5,321		6,757
Financial liabilities (1)		(16,422)		(20,248)
Other long-term liabilities		(17,806)		(36,074)
Net assets acquired		173,457		175,706
Goodwill		222,451		176,319
Purchase price		395,908		352,025
Acquisition related liabilities		(23,238)		(17,034)
Other		(1,191)		1,967
Net cash paid for acquisitions	$	371,479	$	336,958

(1) In the first quarter of 2017, we reclassified $1.2 million of accounts payable overdrafts from financial assets to financial liabilities for the year ended December 31, 2016.

Goodwill by Reportable Segment and in Total

	West		East		Cement		Total
Balance, December 31, 2016	$	334,257	$	243,417	$	204,538	$	782,212
Acquisitions (1)		169,317		56,602		118		226,037
Foreign currency translation adjustments		4,522		—		—		4,522
Balance, September 30, 2017	$	508,096	$	300,019	$	204,656	$	1,012,771
Accumulated impairment losses as of September 30, 2017 and December 31, 2016	$	(53,264)	$	(14,938)	$	—	$	(68,202)

(1) Reflects goodwill from 2017 acquisitions and working capital adjustments from prior year acquisitions.

Intangible Assets by Type and in Total

	September 30, 2017						December 31, 2016
	Gross				Net		Gross				Net
	Carrying		Accumulated		Carrying		Carrying		Accumulated		Carrying
	Amount		Amortization		Amount		Amount		Amortization		Amount
Leases	$	15,888	$	(3,963)	$	11,925	$	15,888	$	(3,382)	$	12,506
Reserve rights		6,234		(1,550)		4,684		8,706		(3,710)		4,996
Trade names		1,000		(733)		267		1,000		(658)		342
Other		249		(130)		119		249		(104)		145
Total intangible assets	$	23,371	$	(6,376)	$	16,995	$	25,843	$	(7,854)	$	17,989

Estimated Amortization Expense for Intangible Assets

The estimated amortization expense for the intangible assets for each of the five years subsequent to September 30, 2017 is as follows:

2017 (three months)	$	321
2018		1,265
2019		1,259
2020		1,176
2021		1,134
2022		1,104
Thereafter		10,736
Total	$	16,995

Summit Materials, LLC

Summary of Assets Acquired and Liabilities Assumed

	Nine months ended		Year ended
	September 30,		December 31,
	2017		2016
Financial assets (1)	$	31,895	$	22,204
Inventories		11,315		17,215
Property, plant and equipment		159,154		180,321
Intangible assets		—		5,531
Other assets		5,321		6,757
Financial liabilities (1)		(16,422)		(20,248)
Other long-term liabilities		(17,806)		(36,074)
Net assets acquired		173,457		175,706
Goodwill		222,451		176,319
Purchase price		395,908		352,025
Acquisition related liabilities		(23,238)		(17,034)
Other		(1,191)		1,967
Net cash paid for acquisitions	$	371,479	$	336,958

(1) In the first quarter of 2017, we reclassified $1.2 million of accounts payable overdrafts from financial assets to financial liabilities for the year ended December 31, 2016.

Goodwill by Reportable Segment and in Total

	West		East		Cement		Total
Balance, December 31, 2016	$	334,257	$	243,417	$	204,538	$	782,212
Acquisitions (1)		169,317		56,602		118		226,037
Foreign currency translation adjustments		4,522		—		—		4,522
Balance, September 30, 2017	$	508,096	$	300,019	$	204,656	$	1,012,771
Accumulated impairment losses as of September 30, 2017 and December 31, 2016	$	(53,264)	$	(14,938)	$	—	$	(68,202)

(1) Reflects goodwill from 2017 acquisitions and working capital adjustments from prior year acquisitions.

Intangible Assets by Type and in Total

	September 30, 2017						December 31, 2016
	Gross				Net		Gross				Net
	Carrying		Accumulated		Carrying		Carrying		Accumulated		Carrying
	Amount		Amortization		Amount		Amount		Amortization		Amount
Leases	$	15,888	$	(3,963)	$	11,925	$	15,888	$	(3,382)	$	12,506
Reserve rights		6,234		(1,550)		4,684		8,706		(3,710)		4,996
Trade names		1,000		(733)		267		1,000		(658)		342
Other		249		(130)		119		249		(104)		145
Total intangible assets	$	23,371	$	(6,376)	$	16,995	$	25,843	$	(7,854)	$	17,989

Estimated Amortization Expense for Intangible Assets

The estimated amortization expense for the intangible assets for each of the five years subsequent to September 30, 2017 is as follows:

2017 (three months)	$	321
2018		1,265
2019		1,259
2020		1,176
2021		1,134
2022		1,104
Thereafter		10,736
Total	$	16,995