Income Taxes - Federal and Foreign Tax Operating Loss Carry-Forwards Expiring (Detail) $ in Millions	Jan. 01, 2016 USD ($)
Income Tax Disclosure [Abstract]
2016	$ 21.0
2017	29.3
2018	5.8
2019	0.5
2020 and beyond	31.3
No expiration	677.5
Federal and foreign tax operating loss carry-forwards	$ 765.4

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319

Name:	us-gaap_OperatingLossCarryforwards
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant