Business Combination (Details) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended			9 Months Ended
	May. 09, 2014	Sep. 27, 2015		Sep. 28, 2014	Sep. 27, 2015		Sep. 28, 2014	Dec. 31, 2014
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Goodwill		$ 789.2	[1]		$ 789.2	[1]		$ 770.9	[2]
Acquisition and integration related costs		2.4		$ 4.2	8.5		$ 16.7
Unaudited pro forma summary of Condensed Consolidated Statements of Income [Abstract]
Restructuring and impairment charges		10.5		5.8	27.3		11.8
AMCOL International Corporation [Member]
Business Acquisition [Line Items]
Consideration received (in dollars per share)	$ 45.75
Debt instrument face amount	$ 1,560.0
Business Combination, Consideration Transferred [Abstract]
Cash consideration transferred to AMCOL shareholders	1,519.4
AMCOL notes repaid at close	325.6
Total consideration transferred to debt and equity holders	1,845.0
Cash acquired	42.7
Total consideration transferred to debt and equity holders, net of cash acquired	$ 1,802.3
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Deferred tax liability on increase of goodwill		323.8			323.8
Acquisition and integration related costs		2.4		$ 4.2	$ 8.5		16.7
Net sales							451.7
Operating income							48.1
Post acquisition period					143 days
Unaudited pro forma summary of Condensed Consolidated Statements of Income [Abstract]
Net sales					$ 1,367.6		1,582.6
Income from continuing operations before provision for taxes and equity in earnings					118.3		125.9
Income from continuing operations, net of tax					93.9		$ 85.6
Restructuring and impairment charges					27.3
Extinguishment of debt costs					$ 4.5
Tax rate					28.00%
AMCOL International Corporation [Member] | Preliminary Allocation Previously Reported [Member]
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Accounts receivable								235.7
Inventories								157.3
Other current assets								65.0
Mineral rights								535.5
Plant, property and equipment								371.2
Goodwill								708.1
Intangible assets								214.3
Other non-current assets								51.4
Total assets acquired								2,338.5
Accounts payable								66.4
Accrued expenses								61.6
Non-current deferred tax liability								322.3
Other non-current liabilities								85.9
Total liabilities assumed								536.2
Net assets acquired								$ 1,802.3
AMCOL International Corporation [Member] | Increase/ Decrease [Member]
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Accounts receivable		0.0			$ 0.0
Inventories		0.0			0.0
Other current assets		0.0			0.0
Mineral rights		0.0			0.0
Plant, property and equipment		0.0			0.0
Goodwill		12.8			12.8
Intangible assets		8.8			8.8
Other non-current assets		9.2			9.2
Total assets acquired		30.8			30.8
Accounts payable		0.0			0.0
Accrued expenses		0.0			0.0
Non-current deferred tax liability		1.5			1.5
Other non-current liabilities		29.3			29.3
Total liabilities assumed		30.8			30.8
Net assets acquired		0.0			0.0
AMCOL International Corporation [Member] | Final Allocation [Member]
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Accounts receivable		235.7			235.7
Inventories		157.3			157.3
Other current assets		65.0			65.0
Mineral rights		535.5			535.5
Plant, property and equipment		371.2			371.2
Goodwill		720.9			720.9
Intangible assets		223.1			223.1
Other non-current assets		60.6			60.6
Total assets acquired		2,369.3			2,369.3
Accounts payable		66.4			66.4
Accrued expenses		61.6			61.6
Non-current deferred tax liability		323.8			323.8
Other non-current liabilities		115.2			115.2
Total liabilities assumed		567.0			567.0
Net assets acquired		$ 1,802.3			$ 1,802.3
AMCOL International Corporation [Member] | Technology [Member]
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Weighted average amortization period for acquired intangible assets					12 years
AMCOL International Corporation [Member] | Tradenames [Member]
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Weighted average amortization period for acquired intangible assets					34 years

[1] Unaudited

[2] Condensed from audited financial statements