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Customer Trust Fund - Gross Unrealized Losses and Related Fair Value of Investment (Detail) $ in Thousands | Jun. 30, 2018 USD ($)
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Debt Securities, Available-for-sale [Line Items] |
Less than 12 months, Unrealized Losses | $ (17,700)
Less than 12 months, Fair Value | 895,300
12 months or more, Unrealized Losses | (10,700)
12 months or more, Fair Value | 434,600
Total, Unrealized Losses | (28,400)
Total, Fair Value | 1,329,900
U.S. Government and Agencies Securities [Member] |
Debt Securities, Available-for-sale [Line Items] |
Less than 12 months, Unrealized Losses | (11,400)
Less than 12 months, Fair Value | 442,800
12 months or more, Unrealized Losses | (5,100)
12 months or more, Fair Value | 111,600
Total, Unrealized Losses | (16,500)
Total, Fair Value | 554,400
Canadian and Provincial Government Securities [Member] |
Debt Securities, Available-for-sale [Line Items] |
Less than 12 months, Unrealized Losses | (400)
Less than 12 months, Fair Value | 35,900
12 months or more, Unrealized Losses | (1,600)
12 months or more, Fair Value | 99,400
Total, Unrealized Losses | (2,000)
Total, Fair Value | 135,300
Corporate Debt Securities [Member] |
Debt Securities, Available-for-sale [Line Items] |
Less than 12 months, Unrealized Losses | (3,700)
Less than 12 months, Fair Value | 259,700
12 months or more, Unrealized Losses | (2,300)
12 months or more, Fair Value | 120,800
Total, Unrealized Losses | (6,000)
Total, Fair Value | 380,500
Asset-backed Securities [Member] |
Debt Securities, Available-for-sale [Line Items] |
Less than 12 months, Unrealized Losses | (2,100)
Less than 12 months, Fair Value | 150,200
12 months or more, Unrealized Losses | (1,300)
12 months or more, Fair Value | 82,300
Total, Unrealized Losses | (3,400)
Total, Fair Value | 232,500
Mortgage-backed Securities [Member] |
Debt Securities, Available-for-sale [Line Items] |
Less than 12 months, Unrealized Losses | (100)
Less than 12 months, Fair Value | 2,600
12 months or more, Unrealized Losses | (300)
12 months or more, Fair Value | 8,100
Total, Unrealized Losses | (400)
Total, Fair Value | 10,700
Other Securities [Member] |
Debt Securities, Available-for-sale [Line Items] |
Less than 12 months, Unrealized Losses | (50)
Less than 12 months, Fair Value | 4,100
12 months or more, Unrealized Losses | (100)
12 months or more, Fair Value | 12,400
Total, Unrealized Losses | (100)
Total, Fair Value | $ 16,500

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- Definition This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities. + References No definition available. + Details
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- Definition This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for less than twelve months. + References No definition available. + Details
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- Definition Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27337-111563 + Details
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- Definition Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27337-111563 + Details
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