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Amount of capital lease obligation, assumed at the acquisition date.

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Amount of assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of long-term debt due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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Acquisitions - Summary of Estimated Fair Values of Assets Acquired and Liabilities Assumed (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Sep. 30, 2014
Business Acquisition [Line Items]
Property, plant, and equipment	$ 168,521
Investment in joint venture	34,703us-gaap_EquityMethodInvestments
Goodwill	83,941us-gaap_Goodwill	8,624us-gaap_Goodwill	8,254us-gaap_Goodwill
Total assets acquired	20,995
Autocam [Member]
Business Acquisition [Line Items]
Current assets	87,347			88,529
Property, plant, and equipment	153,185			146,120
Intangible assets subject to amortization	51,660			51,098
Investment in joint venture	35,595			35,595
Other non-current assets	6,068			2,170
Goodwill	73,992			77,548
Total assets acquired	407,847			401,060
Current liabilities	41,283			34,320
Current maturities of long-term debt	6,547			6,547
Non-current deferred tax liabilities	46,512			46,998
Obligations under capital lease	18,350			18,350
Long-term debt, net of current portion	4,263			4,263
Other non-current liabilities	2,338			2,028
Total liabilities assumed	119,293			112,506
Net asset acquired	288,554			288,554
Autocam [Member] \| Adjustments to Fair Value [Member]
Business Acquisition [Line Items]
Current assets	(1,182)
Property, plant, and equipment	7,065
Intangible assets subject to amortization	562
Other non-current assets	3,898
Goodwill	(3,556)
Total assets acquired	6,787
Current liabilities	6,963
Non-current deferred tax liabilities	(486)
Other non-current liabilities	310
Total liabilities assumed	6,787
Other Acquisitions [Member]
Business Acquisition [Line Items]
Current assets	5,565			5,688
Property, plant, and equipment	15,336			15,367
Intangible assets subject to amortization	2,705			2,705
Goodwill	2,494			2,038
Total assets acquired	26,100			25,798
Current liabilities	5,105			4,803
Total liabilities assumed	5,105			4,803
Net asset acquired	20,995			20,995
Other Acquisitions [Member] \| Adjustments to Fair Value [Member]
Business Acquisition [Line Items]
Current assets	(123)
Property, plant, and equipment	(31)
Goodwill	456
Total assets acquired	302
Current liabilities	302
Total liabilities assumed	$ 302